Sildenafil – Wikipedia
SILDENAFIL (sil DEN a fil) treats erectile dysfunction (ED). It works by increasing blood flow to the penis, which helps to maintain an erection. This medicine may be used for other purposes; ask your health care provider or pharmacist if you have questions. COMMON BRAND NAME(S): Viagra The usual recommended dose is 25 to 100 mg 1 hour before sexual activity. The maximum dose is 100 mg daily. The elderly (over 65 years of age) should start at 25 mg before sexual activity. If you take sildenafil for pulmonary arterial hypertension, do not take Viagra or other PDE5 inhibitors, including tadalafil (Cialis ) or vardenafil (Levitra ). Viagra also contains sildenafil. If you take too much sildenafil or take it together with these medicines, the chance for side effects will be higher. price of sildenafil at walgreens See full list on drugs.com Sildenafil under the name Viagra is used to treat erectile dysfunction (impotence) in men. Another brand of sildenafil is Revatio, which is used to treat pulmonary arterial hypertension and improve exercise capacity in men and women. Do not take Viagra while also taking Revatio. Warnings Sildenafil is used in the treatment of Erectile dysfunction. View Sildenafil s uses, side-effects, drug interactions, expert advice and user FAQs only on 1mg.com.
It can be dangerous to take sildenafil if you also take medicines called nitrates (often given for chest pain). The combination can cause a dangerous fall in your blood pressure. If you’re not sure if you’re taking a nitrate, ask your doctor or pharmacist. Do not drink grapefruit juice if you’re taking sildenafil (Revatio) for pulmonary If you take or plan to take ED medication and are concerned about your risk for NAION, talk to your primary care doctor or your ophthalmologist. If you take ED medication and have a sudden loss of vision, stop taking the drug and see a doctor immediately. Regular use of ED medications such as sildenafil (e.g, Viagra), vardenafil (e.g, Levitra and Staxyn), tadalafil (Cialis), and avanafil (Stendra) was associated with increased risk of three Viagra can also cause a serious eye condition called non-arteritic anterior ischemic optic neuropathy, which can lead to permanent vision loss. But both these side effects were rare in studies of can viagra cause vision problems Acute secondary effects of sildenafil include headache, heartburn, skin flush, and vision changes such as blurred vision, photophobia, and cyanopsia [i.e, blue Vision changes. Dizziness. Viagra can also cause an erection lasting longer than 4 hours (priapism). If you experience this side effect, seek emergency medical care right away. If left untreated, a prolonged erection can cause permanent damage to the penis.
Rarely, may decrease blood flow to the optic nerve causing sudden vision loss. The risk is greater in people aged older than 50, with diabetes, heart disease, high blood pressure, high cholesterol, who smoke, or with certain pre-existing eye problems. Rarely, may cause other side effects or lead to painful erections lasting longer than four hours. Find out whether Viagra is covered under the prescription coverage component of your insurance plan. If Viagra is not covered, you may want to check to see if similar drugs that help treat erectile dysfunction, like Cialis or Levitra, are covered by your health insurance plan. You can then ask your doctor if these might work for you.