WebViagra is used to treat erectile dysfunction (impotence) in men. Another brand of sildenafil is Revatio, which is used to treat pulmonary arterial hypertension and improve .The following nonprescription or herbal products may interact with sildenafil: cimetidine Tagamet HB , St. This medicine usually begins to work for erectile dysfunction within 30 minutes after taking it. However, if it is almost time for the next dose, skip the missed dose and continue your regular dosing schedule. Make sure you have discussed any other medications you are currently taking or plan to take before starting sildenafil with your doctor and pharmacist. It works for up to 36 hours.WebViagra is a brand-name prescription drug that’s approved to treat erectile dysfunction (ED).With ED, you’re unable to have or maintain an erection. Viagra is approved for this . WebSildenafil under the name Viagra is used to treat erectile dysfunction (impotence) in men. Another brand of sildenafil is Revatio, which is used to treat pulmonary arterial . WebViagra is used as needed, meaning you only take a dose prior to sexual activity. Cialis can be prescribed for use as needed, but can also be prescribed for use once per day, every .Tell your doctor if any of these symptoms are severe or do not go away: headache. If you prefer, you may contact the U. Tadalafil Cialis. Ask your doctor if you have any questions. Ask your pharmacist for a list of the ingredients. Children younger than 1 year of age—Use and dose must be determined by your doctor. This medication is taken with or without food an hour before sex.
