The agency has issued a warning to consumers about the unapproved sexual products that are sometimes sold at gas stations. Male sexual enhancement products can sometimes .Doctors are there to help, not judge. If you ever need emergency medical treatment for a heart problem, the healthcare providers who treat you will need to know when you last took sildenafil. Even if your erectile issues are unrelated to other health conditions, your doctor can offer help and provide solutions. Cohen agrees that caution is key. Use the oral syringe provided with your medication to measure and take your dose. The following nonprescription or herbal products may interact with sildenafil: cimetidine Tagamet HB , St. 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.In most males,* Viagra works within 1 hour after it’s taken. It’s possible that Viagra can begin working within 30 minutes of being taken. But other times, it may take up to 4 . According to price-comparison site , generic Revatio will cost you as little as $ per pill, depending on where you fill your prescription. That’s compared with . Pfizer, the manufacturer of Viagra, offers a program that can help lower the cost of Viagra. For more information and to find out if you’re eligible for support, call or .Before starting, stopping, or changing any medications while taking sildenafil, please get the advice of your doctor or pharmacist. Rarely reported side effects include: an erection that will not go away priapism. Sildenafil treats PAH by relaxing the blood vessels in the lungs to allow blood to flow easily. Sexual activity may be a strain on your heart, especially if you have heart disease. Continue to take sildenafil even if you feel well. However, if you take sildenafil with a high-fat meal, it will take longer for the medication to start to work. Ask your pharmacist for a list of the ingredients.