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Sildenafil Generic for Viagra®
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An erectile dysfunction medication that’s FDA approved and clinically proven to treat ED, sildenafil has the same active ingredient as Viagra® at 10% of the cost. Better sex at a lower price—what’s not to love?
Meet sildenafil
A generic form of Viagra® that’s just as effective
Flexible dosage options (25mg, 50mg, or 100mg)
Free shipping, if prescribed
How to take
- Sildenafil is an as-needed ED treatment, so don’t worry about remembering to take it every day. It’s suggested that you take sildenafil on an empty stomach about an hour before you plan to have sex, but follow your provider’s recommendation for best results.
Side effects
- Prescription products require an online consultation with a physician who will determine if a prescription is appropriate.
- Risks of this medication can include flushing, headache, nausea, dizziness, chest or arm pain, and, in rare cases, changes in vision or loss of sight. Seek emergency care right away if you have an erection that lasts longer than 4 hours or becomes painful. Do not drink alcohol to excess (e.g. 5 drinks) while taking sildenafil.
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Why sildenafil
Inhibits PDE5
Sildenafil is an oral ED medication that works by suppressing an enzyme in the body called PDE5.
Increases blood flow
When PDE5 is suppressed, blood is able to flow more freely through the body—including to the (you guessed it) penis.
Gets you hard
More blood flow to the penis means harder, more satisfying erections once you’re sexually stimulated.
The ED treatment guys love
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How to take sildenafil
Typically sildenafil is taken about an hour before sex. Because it’s taken as-needed, you don’t have to worry about remembering to take a pill every day—just when the moment is right. It’s often suggested that you take it on an empty stomach, but follow your provider’s recommendation for best results.
Common sildenafil side effects
The most common side effects of generic for Viagra® are headache, lightheadedness, flushing, temporary abnormal vision, stuffy nose, sleep problems, back pain, and upset stomach. Your medical provider can help you mitigate or treat these symptoms if you experience them.
Simple consultation
Answer a few questions about your symptoms and health history.Connect with a provider
A licensed medical provider will determine if treatment is right for you.Free delivery
Your ED medication will ship discreetly to you for free, if prescribed.Better sex, guaranteed
Love your results or get your money back with our 60-day guarantee.Frequently asked questions about sildenafil
What is generic Viagra?
Generic Viagra® contains sildenafil, the same active ingredient as brand-name Viagra®, which means that it is just as effective for the treatment of erectile dysfunction as the original ED medication.
Generic Viagra® is a PDE5 (phosphodiesterase type 5) inhibitor, which works by blocking the PDE5 enzyme, which in turn temporarily relaxes smooth muscle and improves blood flow to the penis during sexual stimulation. Other similar PDE5 inhibitors are Cialis® (tadalafil), Levitra® (vardenafil), and
Stendra (avanafil).
Learn more about PDE5 inhibitors.
What does generic Viagra (sildenafil) look like?
While Viagra® is easily recognizable as the “little blue pill,” the generic for Viagra® comes in many different colors and shapes. Authentic pills may be white or blue, round or diamond, etc.
How much does the generic for Viagra cost?
The cost of a generic for Viagra® tablet varies based on the strength of the dose of sildenafil it contains, but generally costs anywhere from about $4 to $10 per dose, compared to $50 to $70 per dose for brand-name Viagra®. Through Hims, generic for Viagra® costs 90% less than branded Viagra®. Generic for Viagra® is the best way to get the same effect and dosing as Viagra® with the lowest price.
Read more about the cost of generic Viagra and brand-name Viagra on our blog.
What is the generic name for Viagra?
The generic for Viagra is called sildenafil citrate, which is the active ingredient in Viagra. This means that the generic form of Viagra will have the same therapeutic effect, but at a lower cost. In addition to erectile dysfunction, sildenafil may also be used as the active ingredient in off-label treatment for PE.
Are generic forms of Viagra safe?
Yes, generic forms of Viagra are just as safe as Viagra®. Both Viagra® and generic for Viagra® were approved by the Food and Drug Administration (FDA) to treat ED and millions of men have used Viagra® or the generic for Viagra® to treat their erectile dysfunction. Generic medications do not compromise the safety of a medication. The cost is lower than brand name medication for many reasons, most notably because the brand name medication is no longer legally protected against competition from other manufacturers.
Generic for Viagra® may not be safe for men with some pre-existing conditions or who are taking medications that may interact with the drug. If you have (or have ever had) heart problems (such as a heart attack), heart disease, irregular heartbeat, angina, chest pain, narrowing of the aortic valve, heart failure, heart surgery, pulmonary hypertension including pulmonary arterial hypertension, stroke, low blood pressure, high blood pressure, a deformed penis shape (Peyronie’s Disease), priapism (an erection that lasts for more than 4 hours), sickle cell anemia, multiple myeloma, leukemia, retinitis pigmentosa (a rare genetic eye disease), severe vision loss (such as NAION), bleeding problems, stomach ulcers, liver problems or kidney problems (such as kidney dialysis), you may be at higher risk for adverse effects. If you have any of these health conditions, or any other health condition, tell your healthcare provider. Your provider should be aware of all medical conditions, prescription drugs and over-the-counter medications that you are taking.
Who makes generic Viagra?
Multiple companies make generic for Viagra®, including Teva Pharmaceuticals and Greenstone, a subsidiary of Pfizer Inc.
How long does it take for sildenafil to work?
Take sildenafil (generic for Viagra®) about one hour before sexual activity, as it takes about 30 minutes to an hour to begin working.
Check out our guide on how to take Viagra® for best results.
Are there potential sildenafil interactions?
If you are currently taking any over-the-counter, recreational or prescription drugs or supplements, tell your healthcare provider. Some medications, like nitroglycerin (nitrates), isosorbide dinitrate, riociguat, ritonavir, itraconazole, ketoconazole, alpha blockers and “poppers”, have well-documented drug interactions with sildenafil and could cause serious side effects. If you are currently taking a PDE5 inhibitor, like Revatio for pulmonary arterial hypertension, talk to your doctor about adjusting your dosage.
There are also some rare, serious side effects of sildenafil, namely an allergic reaction, loss of vision/hearing, or priapism, an erection lasting for more than four hours. Seek emergency medical attention if you experience any of these serious side effects.
Learn more about the common warnings and precautions to consider before taking generic Viagra®.
Where can I buy generic Viagra?
You can get the generic for Viagra® through an online or local pharmacy with a prescription from a licensed medical provider. Generic for Viagra® is not available over-the-counter. To get genuine generic for Viagra®, ensure that you are seeing a healthcare provider licensed in your state and have your prescription filled by a qualified pharmacy, one that is licensed in your state and has 3rd-party accreditations like LegitScript.
Tadalafil can be taken with other medications, unless there is a known interaction between the two drugs. Common drug interactions with Tadalafil include nitrates, alpha-blockers, guanylate cyclase stimulators, HIV protease inhibitors, some antifungals and some antibiotics. Some examples of these drugs include nitroglycerin, amyl nitrate, doxazosin, erythromycin, ketoconazole, rifampin, riociguat, ritonavir, tamsulosin, itraconazole and poppers.
Tadalafil should not be taken at the same time as other ED medications, including sildenafil (Viagra®), avanafil (Stendra®) and vardenafil (Levitra®). Seek medical advice if you are taking any other medications prior to starting tadalafil.
Learn more about sildenafil
Important safety information
Learn more about sildenafil
Important safety information
Important Safety Information
Do not take Sildenafil (generic Viagra) if you:
- take any medicines called nitrates, often prescribed for chest pain, or guanylate cyclase stimulators like Adempas (riociguat) for pulmonary hypertension. Your blood pressure could drop to an unsafe level
- are allergic to Sildenafil, as contained in Sildenafil and REVATIO, or any of the ingredients in Sildenafil
Discuss your health with your doctor to ensure that you are healthy enough for sex. If you experience chest pain, dizziness, or nausea during sex, seek immediate medical help
Sildenafil can cause serious side effects. Rarely reported side effects include:
- an erection that will not go away (priapism). If you have an erection that lasts more than 4 hours, get medical help right away. If it is not treated right away, priapism can permanently damage your penis
- sudden vision loss in one or both eyes. Sudden vision loss in one or both eyes can be a sign of a serious eye problem called non-arteritic anterior ischemic optic neuropathy (NAION). Stop taking Sildenafil and call your healthcare provider right away if you have any sudden vision loss
- sudden hearing decrease or hearing loss. Some people may also have ringing in their ears (tinnitus) or dizziness. If you have these symptoms, stop taking Sildenafil and contact a doctor right away
Before you take Sildenafil, tell your healthcare provider if you:
- have or have had heart problems such as a heart attack, irregular heartbeat, angina, chest pain, narrowing of the aortic valve, or heart failure
- have had heart surgery within the last 6 months
- have pulmonary hypertension
- have had a stroke
- have low blood pressure, or high blood pressure that is not controlled
- have a deformed penis shape
- have had an erection that lasted for more than 4 hours
- have problems with your blood cells such as sickle call anemia, multiple myeloma, or leukemia
- have retinitis pigmentosa, a rare genetic (runs in families) eye disease
- have ever had severe vision loss, including an eye problem called NAION
- have bleeding problems
- have or have had stomach ulcers
- have liver problems
- have kidney problems or are having kidney dialysis have any other medical conditions
Tell your healthcare provider about all the medicines you take, including prescription and over-the-counter medicines, vitamins, and herbal supplements.
Sildenafil may affect the way other medicines work, and other medicines may affect the way Sildenafil works, causing side effects. Especially tell your healthcare provider if you take any of the following:
- medicines called nitrates
- medicines called guanylate cyclase stimulators such as Adempas (riociguat)
- medicines called alpha-blockers such as Hytrin (terazosin HCl), Flomax (tamsulosin HCl), Cardura (doxazosinmesylate), Minipress (prazosin HCl), Uroxatral (alfuzosin HCl), Jalyn (dutasteride and tamsulosin HCl), or Rapaflo (silodosin). Alpha-blockers are sometimes prescribed for prostate problems or high blood pressure. In some patients, the use of Sildenafil with alpha-blockers can lead to a drop in blood pressure or to fainting
- medicines called HIV protease inhibitors, such as ritonavir (Norvir), indinavir sulfate (Crixivan), saquinavir (Fortovase or Invirase), or atazanavir sulfate (Reyataz)
- some types of oral antifungal medicines, such as ketoconazole (Nizoral) and itraconazole (Sporanox)
- some types of antibiotics, such as clarithromycin (Biaxin), telithromycin (Ketek), or erythromycin
- other medicines that treat high blood pressure
- other medicines or treatments for ED
- Sildenafil contains Sildenafil, which is the same medicine found in another drug called REVATIO. REVATIO is used to treat a rare disease called pulmonary arterial hypertension (PAH). Sildenafil should not be used with REVATIO or with other PAH treatments containing Sildenafil or any other PDE5 inhibitors (such as Adcirca [tadalafil])
Sildenafil does not protect against sexually transmitted diseases, including HIV.
The most common side effects of Sildenafil: headache; flushing; upset stomach; abnormal vision, such as changes in color vision (such as having a blue color tinge) and blurred vision; stuffy or runny nose; back pain; muscle pain; nausea; dizziness; rash.
Sildenafil (generic Viagra) is prescription medicine used to treat erectile dysfunction (ED).
Sildenafil is not for women or children.
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Important Safety Information
Do not take Viagra® (sildenafil citrate) if you:
- take any medicines called nitrates, often prescribed for chest pain, or guanylate cyclase stimulators like Adempas (riociguat) for pulmonary hypertension. Your blood pressure could drop to an unsafe level
- are allergic to Viagra®, as contained in Viagra® and REVATIO, or any of the ingredients in Viagra®
Discuss your health with your doctor to ensure that you are healthy enough for sex. If you experience chest pain, dizziness, or nausea during sex, seek immediate medical help
Viagra® can cause serious side effects. Rarely reported side effects include:
- an erection that will not go away (priapism). If you have an erection that lasts more than 4 hours, get medical help right away. If it is not treated right away, priapism can permanently damage your penis
- sudden vision loss in one or both eyes. Sudden vision loss in one or both eyes can be a sign of a serious eye problem called non-arteritic anterior ischemic optic neuropathy (NAION). Stop taking Viagra® and call your healthcare provider right away if you have any sudden vision loss
- sudden hearing decrease or hearing loss. Some people may also have ringing in their ears (tinnitus) or dizziness. If you have these symptoms, stop taking Viagra® and contact a doctor right away
Before you take Viagra®, tell your healthcare provider if you:
- have or have had heart problems such as a heart attack, irregular heartbeat, angina, chest pain, narrowing of the aortic valve, or heart failure
- have had heart surgery within the last 6 months
- have pulmonary hypertension
- have had a stroke
- have low blood pressure, or high blood pressure that is not controlled
- have a deformed penis shape
- have had an erection that lasted for more than 4 hours
- have problems with your blood cells such as sickle call anemia, multiple myeloma, or leukemia
- have retinitis pigmentosa, a rare genetic (runs in families) eye disease
- have ever had severe vision loss, including an eye problem called NAION
- have bleeding problems
- have or have had stomach ulcers
- have liver problems
- have kidney problems or are having kidney dialysis have any other medical conditions
Tell your healthcare provider about all the medicines you take, including prescription and over-the-counter medicines, vitamins, and herbal supplements.
Viagra® may affect the way other medicines work, and other medicines may affect the way Viagra® works, causing side effects. Especially tell your healthcare provider if you take any of the following:
- medicines called nitrates
- medicines called guanylate cyclase stimulators such as Adempas (riociguat)
- medicines called alpha-blockers such as Hytrin (terazosin HCl), Flomax (tamsulosin HCl), Cardura (doxazosinmesylate), Minipress (prazosin HCl), Uroxatral (alfuzosin HCl), Jalyn (dutasteride and tamsulosin HCl), or Rapaflo (silodosin). Alpha-blockers are sometimes prescribed for prostate problems or high blood pressure. In some patients, the use of Viagra® with alpha-blockers can lead to a drop in blood pressure or to fainting
- medicines called HIV protease inhibitors, such as ritonavir (Norvir), indinavir sulfate (Crixivan), saquinavir (Fortovase or Invirase), or atazanavir sulfate (Reyataz)
- some types of oral antifungal medicines, such as ketoconazole (Nizoral) and itraconazole (Sporanox)
- some types of antibiotics, such as clarithromycin (Biaxin), telithromycin (Ketek), or erythromycin
- other medicines that treat high blood pressure
- other medicines or treatments for ED
- Viagra® contains Viagra®, which is the same medicine found in another drug called REVATIO. REVATIO is used to treat a rare disease called pulmonary arterial hypertension (PAH). Viagra® should not be used with REVATIO or with other PAH treatments containing Viagra® or any other PDE5 inhibitors (such as Adcirca [tadalafil])
Viagra® does not protect against sexually transmitted diseases, including HIV.
The most common side effects of Viagra®: headache; flushing; upset stomach; abnormal vision, such as changes in color vision (such as having a blue color tinge) and blurred vision; stuffy or runny nose; back pain; muscle pain; nausea; dizziness; rash.
Viagra® (sildenafil citrate) is prescription medicine used to treat erectile dysfunction (ED).
Viagra® is not for women or children.
Important Safety Information
Do not take Cialis® if you:
- take any medicines called nitrates, often prescribed for chest pain, or guanylate cyclase stimulators like Adempas® (riociguat) for pulmonary hypertension, or any other similar ED medication. Your blood pressure could drop to an unsafe level
- are allergic to Cialis® or any of the ingredients in Cialis®
__Discuss your health with your doctor to ensure that you are healthy enough for sex. If you experience chest pain, dizziness, or nausea during sex, seek immediate medical attention.
Cialis® can cause serious side effects. Rarely reported side effects include:__
- an erection that will not go away (priapism). If you have an erection that lasts more than 4 hours, get medical help right away. If it is not treated right away, priapism can permanently damage your penis
- sudden vision loss in one or both eyes. Sudden vision loss in one or both eyes can be a sign of a serious eye problem called non-arteritic anterior ischemic optic neuropathy (NAION). Stop taking Cialis® and call your healthcare provider right away if you have any sudden vision loss
- sudden hearing decrease or hearing loss. Some people may also have ringing in their ears (tinnitus) or dizziness. If you have these symptoms, stop taking Cialis® and contact a doctor right away
Before you take Cialis®, tell your healthcare provider if you:
- have or have had heart problems such as a heart attack, irregular heartbeat, angina, chest pain, narrowing of the aortic valve, or heart failure
- have taken a nitrate medication in the last 48 hours
- have had heart surgery within the last 6 months
- have pulmonary hypertension
- have had a stroke
- have low blood pressure, or high blood pressure that is not controlled
- have a deformed penis shape
- have had an erection that lasted for more than 4 hours
- have problems with your blood cells such as sickle cell anemia, multiple myeloma, or leukemia
- have retinitis pigmentosa, a rare genetic (runs in families) eye disease
- have ever had severe vision loss, including an eye problem called NAION
- have bleeding problems
- have or have had stomach ulcers
- have liver problems
- have kidney problems or having kidney dialysis,
- have any other medical conditions
Tell your healthcare provider about all the medicines you take, including prescription and over-the-counter medicines, vitamins, and herbal supplements.
Cialis® may affect the way other medicines work, and other medicines may affect the way Cialis® works, causing side effects. Especially tell your healthcare provider if you take any of the following:
- medicines called nitrates
- medicines called guanylate cyclase stimulators such as Adempas (riociguat)
- medicines called alpha-blockers such as Hytrin® (terazosin HCl), Flomax® (tamsulosin HCl), Cardura® (doxazosin mesylate), Minipress® (prazosin HCl), Uroxatral® (alfuzosin HCl), Jalyn® (dutasteride and tamsulosin HCl), or Rapaflo® (silodosin). Alpha-blockers are sometimes prescribed for prostate problems or high blood pressure. In some patients, the use of Cialis® with alpha-blockers can lead to a drop in blood pressure or to fainting
- medicines called HIV protease inhibitors, such as ritonavir (Norvir®), indinavir sulfate (Crixivan®), saquinavir (Fortovase® or Invirase®), atazanavir sulfate (Reyataz®), or cobicistat (Tybost®)
- some types of oral antifungal medicines, such as ketoconazole (Nizoral®) and itraconazole (Sporanox®)
- some types of antibiotics, such as clarithromycin (Biaxin®, telithromycin (Ketek®), or erythromycin
- other medicines that treat high blood pressure
- other medicines or treatments for ED
- Cialis® should not be used with Revatio® or with other PAH treatments containing PDE5 inhibitors.
- Cialis® does not protect against sexually transmitted diseases, including HIV.
The most common side effects of Cialis®; headache, flushing, upset stomach, abnormal vision, such as changes in color vision ( like having a blue color tinge) and blurred vision, stuffy or runny nose, back pain, muscle pain, nausea, dizziness, and rash.
Important Safety Information
Do not take Tadalafil (Cialis) if you:
- take any medicines called nitrates, often prescribed for chest pain, or guanylate cyclase stimulators like Adempas (riociguat) for pulmonary hypertension. Your blood pressure could drop to an unsafe level
- are allergic to Tadalafil or any of the ingredients in Tadalafil
Discuss your health with your doctor to ensure that you are healthy enough for sex. If you experience chest pain, dizziness, or nausea during sex, seek immediate medical help
Tadalafil can cause serious side effects. Rarely reported side effects include:
- an erection that will not go away (priapism). If you have an erection that lasts more than 4 hours, get medical help right away. If it is not treated right away, priapism can permanently damage your penis
- sudden vision loss in one or both eyes. Sudden vision loss in one or both eyes can be a sign of a serious eye problem called non-arteritic anterior ischemic optic neuropathy (NAION). Stop taking Tadalafil and call your healthcare provider right away if you have any sudden vision loss
- sudden hearing decrease or hearing loss. Some people may also have ringing in their ears (tinnitus) or dizziness. If you have these symptoms, stop taking Tadalafil and contact a doctor right away
Before you take Tadalafil, tell your healthcare provider if you:
- have or have had heart problems such as a heart attack, irregular heartbeat, angina, chest pain, narrowing of the aortic valve, or heart failure
- have had heart surgery within the last 6 months
- have pulmonary hypertension
- have had a stroke
- have low blood pressure, or high blood pressure that is not controlled
- have a deformed penis shape
- have had an erection that lasted for more than 4 hours
- have problems with your blood cells such as sickle cell anemia, multiple myeloma, or leukemia
- have retinitis pigmentosa, a rare genetic (runs in families) eye disease
- have ever had severe vision loss, including an eye problem called NAION
- have bleeding problems
- have or have had stomach ulcers
- have liver problems
- have kidney problems or are having kidney dialysis have any other medical conditions
Tell your healthcare provider about all the medicines you take, including prescription and over-the-counter medicines, vitamins, and herbal supplements.
Tadalafil may affect the way other medicines work, and other medicines may affect the way Tadalafil works, causing side effects. Especially tell your healthcare provider if you take any of the following:
- medicines called nitrates
- medicines called guanylate cyclase stimulators such as Adempas (riociguat)
- medicines called alpha-blockers such as Hytrin (terazosin HCl), Flomax (tamsulosin HCl), Cardura (doxazosin mesylate), Minipress (prazosin HCl), Uroxatral (alfuzosin HCl), Jalyn (dutasteride and tamsulosin HCl), or Rapaflo (silodosin). Alpha-blockers are sometimes prescribed for prostate problems or high blood pressure. In some patients, the use of Tadalafil with alpha-blockers can lead to a drop in blood pressure or to fainting
- medicines called HIV protease inhibitors, such as ritonavir (Norvir), indinavir sulfate (Crixivan), saquinavir (Fortovase or Invirase), or atazanavir sulfate (Reyataz)
- some types of oral antifungal medicines, such as ketoconazole (Nizoral) and itraconazole (Sporanox)
- some types of antibiotics, such as clarithromycin (Biaxin), telithromycin (Ketek), or erythromycin
- other medicines that treat high blood pressure
- other medicines or treatments for ED
- Tadalafil should not be used with REVATIO or with other PAH treatments containing PDE5 inhibitors.
Tadalafil does not protect against sexually transmitted diseases, including HIV.
The most common side effects of Tadalafil: headache; flushing; upset stomach; abnormal vision, such as changes in color vision (such as having a blue color tinge) and blurred vision; stuffy or runny nose; back pain; muscle pain; nausea; dizziness; rash.
Important Safety Information
Do not take Avanafil (Avanafil citrate) if you:
- take any medicines called nitrates, often prescribed for chest pain, or guanylate cyclase stimulators like Adempas (riociguat) for pulmonary hypertension. Your blood pressure could drop to an unsafe level
- are allergic to Avanafil or any of the ingredients in Avanafil
Discuss your health with your doctor to ensure that you are healthy enough for sex. If you experience chest pain, dizziness, or nausea during sex, seek immediate medical help
Avanafil can cause serious side effects. Rarely reported side effects include:
- an erection that will not go away (priapism). If you have an erection that lasts more than 4 hours, get medical help right away. If it is not treated right away, priapism can permanently damage your penis
- sudden vision loss in one or both eyes. Sudden vision loss in one or both eyes can be a sign of a serious eye problem called non-arteritic anterior ischemic optic neuropathy (NAION). Stop taking Avanafil and call your healthcare provider right away if you have any sudden vision loss
- sudden hearing decrease or hearing loss. Some people may also have ringing in their ears (tinnitus) or dizziness. If you have these symptoms, stop taking Avanafil and contact a doctor right away
Before you take Avanafil, tell your healthcare provider if you:
- have or have had heart problems such as a heart attack, irregular heartbeat, angina, chest pain, narrowing of the aortic valve, or heart failure
- have had heart surgery within the last 6 months
- have pulmonary hypertension
- have had a stroke
- have low blood pressure, or high blood pressure that is not controlled
- have a deformed penis shape
- have had an erection that lasted for more than 4 hours
- have problems with your blood cells such as sickle cell anemia, multiple myeloma, or leukemia
- have retinitis pigmentosa, a rare genetic (runs in families) eye disease
- have ever had severe vision loss, including an eye problem called NAION
- have bleeding problems
- have or have had stomach ulcers
- have liver problems
- have kidney problems or are having kidney dialysis have any other medical conditions
Tell your healthcare provider about all the medicines you take, including prescription and over-the-counter medicines, vitamins, and herbal supplements.
Avanafil may affect the way other medicines work, and other medicines may affect the way Avanafil works, causing side effects. Especially tell your healthcare provider if you take any of the following:
- medicines called nitrates
- medicines called guanylate cyclase stimulators such as Adempas (riociguat)
- medicines called alpha-blockers such as Hytrin (terazosin HCl), Flomax (tamsulosin HCl), Cardura (doxazosin mesylate), Minipress (prazosin HCl), Uroxatral (alfuzosin HCl), Jalyn (dutasteride and tamsulosin HCl), or Rapaflo (silodosin). Alpha-blockers are sometimes prescribed for prostate problems or high blood pressure. In some patients, the use of Avanafil with alpha-blockers can lead to a drop in blood pressure or fainting
- medicines called HIV protease inhibitors, such as ritonavir (Norvir), indinavir sulfate (Crixivan), saquinavir (Fortovase or Invirase), or atazanavir sulfate (Reyataz)
- some types of oral antifungal medicines, such as ketoconazole (Nizoral) and itraconazole (Sporanox)
- some types of antibiotics, such as clarithromycin (Biaxin), telithromycin (Ketek), or erythromycin
- other medicines that treat high blood pressure
- other medicines or treatments for ED
Avanafil does not protect against sexually transmitted diseases, including HIV.
The most common side effects of Avanafil: headache; flushing; upset stomach; abnormal vision, such as changes in color vision (such as having a blue color tinge) and blurred vision; stuffy or runny nose; back pain; muscle pain; nausea; dizziness; rash.
Avanafil (Avanafil citrate) is a prescription medicine used to treat erectile dysfunction (ED).
Avanafil is not for women or children.