How long does Viagra last? Duration and effects

Taking sildenafil alone will not cause an erection. You need to be sexually excited for it to work. The most common side effects are headaches, feeling sick, indigestion and dizziness. Many people have no side effects or only mild ones. It can be dangerous to take sildenafil if you also take medicines called nitrates (often given for chest pain). For oral dosage form (tablets): Adults up to 65 years of age50 milligrams (mg) as a single dose no more than once a day, 1 hour before sexual intercourse. Alternatively, the Find patient medical information for Viagra oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. Sildenafil oral tablet is available as a brand-name drug and as a generic drug. Brand names: Viagra, Revatio. Sildenafil comes in three forms: an oral tablet, an oral suspension (liquid), and an taking half a viagra Sildenafil (Viagra) is taken by mouth to treat erectile dysfunction (ED).You take it only as needed, typically about an hour before sexual activity (but you can take it anywhere between 30 minutes to 4 hours before sex). Viagra has a drug half-life of four hours. This means that 50% of the drug will be cleared from your system after four hours. Thereafter, the concentration of the drug will continue to drop by half every few hours until no drug is left in the systemusually within 16 to 24 hours.

Do take the right dosage. Viagra comes in three doses: 25mg, 50mg, and 100mg. The recommended dose for most men is 50mg, however some men may require a different TABLETS (Viagra) Initial dose: 50 mg orally once a day, as needed, about 1 hour prior to sexual activity Maintenance dose: May increase to 100 mg or decrease to 25 mg once a day, based on efficacy and tolerability.

Learn about side effects, interactions and indications. Cialis Drug classes: Agents for pulmonary hypertension, Do not break or split a Cialis tablet. Swallow Splitting tablets can stretch 30 pills into a 60-day supply, saving you cost on the refill. A nonstandard dosage. Splitting pills may be necessary if pills arenтАЩt made in cialis split pill dosage Cialis (tadalafil) is an oral medication that treats erectile dysfunction (ED). One dose of Cialis lasts longer than a dose of the well-known Viagra (sildenafil). You can take Cialis when you need it, typically 30 minutes before sex. If that doesn t work for you, another option is taking a low-dose pill every day for ongoing erectile support. Yes, you can split a 20mg Cialis pill in half. Cialis pill isn’t coated with any extended release coating so it’s okay.