Viagra generic name is Sildenafil Citrate, it is recommended to consume alcohol 24 hours after taking the drug, at this time the drug has been metabolized and will not have a significant effect on the body. Sildenafil citrate is mainly used in patients with erectile dysfunction to enhance their erectile function. Drinking alcohol after using this product may increase the risk of hypotension along with other adverse effects, so you need to wait until the drug is fully metabolized before drinking alcohol. Sildenafil is usually fully metabolized after 24 hours, so it is recommended to wait 24 hours after taking the drug before consuming alcohol. Common side effects of sildenafil citrate include dizziness, headache, indigestion, nausea, rash, flushing, and visual abnormalities. It is contraindicated for those who are allergic to sildenafil and it should not be combined with nitrate drugs. It is recommended to take medication under the guidance of a physician.