Within the occasion of the erection that persists extended than four hours, the individual must seek fast clinical assistance. If priapism is not really addressed quickly, penile tissue problems and long-lasting lack of potency might outcome [see WARNINGS AND Safety measures].

Although the conversation concerning other protease inhibitors and sildenafil hasn't been researched, their concomitant use is predicted to increase sildenafil levels.

Medical professionals really should recommend sufferers to prevent use of all PDE5 inhibitors, such as VIAGRA, and search for healthcare focus in the event of a unexpected lack of vision in a single or equally eyes. These types of an event may be a indicator of non-arteritic anterior ischemic optic neuropathy (NAION), a reason behind lowered vision which includes attainable long lasting loss of eyesight, that's been noted rarely publish-promoting in temporal Affiliation with the usage of all PDE5 inhibitors. It truly is impossible to find out irrespective of whether these events are related directly to the usage of PDE5 inhibitors or to other elements.

The typical commencing dose of Viagra is 50 mg. But your health practitioner may possibly prescribe a reduced setting up dosage of 25 mg dependant upon several components. You'll want to adhere to your health practitioner’s dosing Guidance.

VIAGRA might influence the best way other medicines function, along with other medicines may possibly have an effect on the way in which VIAGRA operates leading to Unwanted effects. Specifically tell your Health care provider if you're taking any of the subsequent:

Vision complications/eye conditions: In the event you expertise a unexpected loss of eyesight in one or the two eyes or other vision-linked complications, Get in touch with your health care provider right away. Eyesight reduction may be partial or finish. When in here some instances the condition may well boost after a while, it can be long term.

Discuss with your Health care service provider to discover In case your heart is robust ample for sexual intercourse. If you really feel chest agony, dizziness, or nausea through sex, cease and phone your Health care supplier right away.

Significant Allergic Reactions. Sildenafil may bring about allergic reactions, that may be major. Cease taking sildenafil and obtain help immediately if you have any of the following indicators of a significant allergic reaction.

If a dosage performs perfectly but triggers bothersome Unwanted effects, your medical professional may well counsel a lower dosage. If a dosage doesn’t work to assist you to get or maintain an erection, your health care provider could enhance your dosage.

The Negative effects mentioned under usually are not experienced by All people who takes this medication. When you are concerned about Unwanted effects, discuss the pitfalls and great things about this medication along with your doctor.

 It's useful for the treatment method of erectile dysfunction (male impotence). It can help to obtain and keep an erection adequate for sexual action.

Medicines are occasionally prescribed for functions apart from People detailed inside of a Individual Info leaflet. Will not use VIAGRA to get a affliction for which it was not prescribed. Usually do not give VIAGRA to Other individuals, even when they've got the identical signs and symptoms that you have. It may harm them.

A lessen dosage of Viagra is safer for some people. This is typically resulting from selected variables, for instance obtaining distinct health care situations. These elements include things like:

Stronger CYP3A4 inhibitors for example ketoconazole or itraconazole could be expected to own larger consequences than seen with saquinavir. A commencing dose of 25 mg of VIAGRA must be thought of in patients using erythromycin or sturdy CYP3A4 inhibitors (for example saquinavir, ketoconazole, itraconazole) [see DOSAGE AND ADMINISTRATION, Medical PHARMACOLOGY].