Stendra belongs to a class of drugs known as phosphodiesterase 5 (PDE5) inhibitors and is used for the treatment of erectile dysfunction. In combination with sexual stimulation, Stendra works by increasing the blood flow to penis to help in getting and keeping an erection. It is not for use in women or children. You should take the lowest dose of Stendra that works for you. You and your doctor should decide about the lowest dose of Stendra that you should take. Take Stendra exactly as your healthcare provider tells you to take it. Your healthcare provider will tell you how much Stendra to take and when to take it. Take Stendra about 30 minutes before sexual activity. Do not take Stendra more than once a day. Your healthcare provider may change your dose if needed. Stendra may be taken with or without food.
Stendra comes from the United Kingdom also called Spedra manufactured by A Menarini Farmaceutica Internazionale SRL. It contains the active ingredient as Avanafil. Stendra is available as tablets in the dosage forms of 50 mg, 100 mg and 200 mg.
Stop taking Stendra and call your doctor at once if you have one of these serious side effects:
• An erection that will not go away (priapism)
• Sudden hearing decrease or hearing loss
• Sudden vision loss in one or both eyes
Less serious side effects include headache, flushing, stuffy or runny nose, sore throat, back pain. Please call your doctor if you have any further concerns or questions.
Do not use the medication if you take medicines called “nitrates”, use street drugs called “poppers” such as amyl nitrate and butyl nitrate, are allergic to avanafil or any of the ingredients in Stendra. Do not drink too much alcohol when taking Stendra. Drinking too much alcohol when taking Stendra can increase your chances of getting a headache or getting dizzy, increasing your heart rate, or lowering your blood pressure. Do not take Stendra if you take any medicines called “nitrates.” Nitrates are used to treat chest pain (angina). A sudden drop in blood pressure can cause you to feel dizzy, faint, or have a heart attack or stroke. Stendra can interact with medications such as nitrates, HIV protease inhibitors, like ritonavir, oral antifungal medicines, like ketoconazole, antibiotics, such as clarithromycin, alpha blockers such as terazosin, doxazosin, prazosin medicines that treat high blood pressure, other medicines or treatments for erectile dysfunction. Before using Stendra have or have had heart problems such as a heart attack, irregular heartbeat, angina, or heart failure, have had heart surgery within the last 6 months, 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 non-arteritic anterior ischemic optic neuropathy (NAION), have bleeding problems, have or have had stomach ulcers, have liver problems, have kidney problems or are having kidney dialysis.