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What drug is more effective

Patient: What is more effective 1500 mg of l-arginine daily or 100mg of sildenafil before sexual intercourse



Symptoms: Maintain a erection

Doctor: Hello,Thanks for the query to ATD for an opinion,L-arginine tab is not going to give erection after its use as i ts an enzyme and meant for long term use as supplement during erectile dysfunction treatment. If your concern is immediate use then definitely sildenafil is the preferred drug to be used under prescription.Its effect may last up to 1-2 hrs and you need to be hydrated well before use to avoid its most common side effect of sustained erection for more than 4 hrs due to clogging of venous blood.Please use it only after the advise of your primary physician.Wishing you good health,Regards

Comments / Follow Ups

Patient: so taking l-arginine does nothing for erectile dysfunction could both be taken together I take 1500mg of l-arginine and the sildenafil is 100mg are they possible to be taken together

Doctor: There are multiple factors which decide erectile dysfunction and there is no definite treatment for the same, so its difficult to advise here. Its how you react to treatment and that can be ascertained only under a physician’s supervision.


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Dr. Suneel Sharman M.D.

Dr. Suneel Sharman M.D.

Dr. Suneel Sharman completed his residency in Family Medicine at the University of Toronto. He currently operates Infinity Health Centre, a walk-in-clinic in downtown Toronto.

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