Common ones include: Flushing of the skin. This medicine also works best when you take it an hour before sex on an empty stomach. This medicine works best when you take it on an empty stomach an hour before sex. This medication is taken with or without food an hour before sex. Data shared with Viatris will be aggregated and de-identified; it will be combined with data related to other Savings Offer redemptions and will not identify you Viatris reserves the right to rescind, revoke, or amend this Savings Offer without notice No membership fees.tingling in the arms, feet, legs, or hands. numbness in the arms, feet, legs, or hands. headache. diarrhea. heartburn. trouble differentiating between colors like blue and green. seeing a blue. Examples of Viagra’s more commonly reported side effects include: headache. flushing (temporary warmth, redness, or deepening of skin color) stuffy nose. indigestion (upset stomach) mild vision. Sildenafil (Generic Viagra, Revatio) is medication used to treat erectile dysfunction (ED) in men who suffer from impotence, or the inability to get or maintain an combination with sexual stimulation, sildenafil works by increasing blood flow to the penis to help a man get an erection and maintain it during sexual intercourse.
