VIAGRA is formulated as blue, film-coated rounded-diamond-shaped tablets equivalent to 25 mg, 50 mg, and 100 mg of sildenafil for oral administration. Sildenafil citrate is a white to off-white crystalline powder with a solubility of 3.5 mg/mL in water and a molecular weight of 666.7. Sildenafil citrate is designated chemically as 1-pyrimidin-5-yl)-4-ethoxyphenyl]sulfonyl]-4-methylpiperazine citrate and has the following structural formula: VIAGRA (sildenafil citrate), an oral therapy for erectile dysfunction, is the citrate salt of sildenafil, a selective inhibitor of cyclic guanosine monophosphate (cGMP)-specific phosphodiesterase type 5 (PDE5). You may report side effects to FDA at 1-80. For more information, ask your doctor or pharmacist.Ĭall your doctor for medical advice about side effects. These are not all the possible side effects of Viagra. Tell the doctor if you have any side effect that bothers you or that does not go away. flushing (warmth, redness, or tingly feeling),.The most common side effects of Viagra include: Get medical help right away, if you have any of the symptoms listed above. swelling in your hands, ankles, or feet,.
pain spreading to your jaw or shoulder,.Viagra may cause serious side effects including: What are the possible side effects of Viagra? It is not known if Viagra is safe and effective in children.Viagra belongs to a class of drugs called PAH, PDE-5 Inhibitors, and Phosphodiesterase-5 Enzyme Inhibitors.Viagra may be used alone or with other medications. Viagra is a prescription medicine used to treat the symptoms of erectile dysfunction.
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