Do You Need a Prescription for Viagra? – does viagra need to be prescribed

To provide you with the most relevant and helpful information, and understand which information is beneficial, we may combine your email and site usage information with other information we have about you. This medicine also works best when you take it an hour before sex on an empty stomach. Medicines that block an enzyme called CYP3A4. Also, the number of doses you take each day, the time allowed between doses, and the length of time you take the medicine depend on the medical problem for which you are using the medicine. Alternatively, the medicine may be taken 30 minutes to 4 hours before sexual intercourse. But we get it — talking about ED is uncomfortable. Take sildenafil as needed before sexual activity.50 mg mg Typical dosages The following information describes commonly recommended dosages for ED. However, be sure to take the dosage your doctor . You should not use Viagra if you are allergic to sildenafil, or: if you take other medicines to treat pulmonary arterial hypertension, such as riociguat (Adempas). if you take nitrates. . Q&A Drug Images What is Viagra? If you have erectile dysfunction (ED), your doctor may recommend that you take Viagra. It’s a prescription drug that’s used in adult males* .

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