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Some of the most common side effects of ED meds include headaches, dizziness, upset stomach, back pain and nasal congestion. A healthcare provider can help you determine which ED medication and ...
Viagra (Sildenafil): Uses, Benefits and Side Effects. This article was reviewed by Kelly Brown MD, MBA.. Whether you’re a senior in high school or a senior-living resident, you’ve likely heard ...
The Best ED Medication for Men: Pros & Cons of Top ED Pills. Over the last 25 years, (ED) medications like Viagra and Cialis have become common fixtures in bedrooms around the world.
The difference between the vardenafil molecule and sildenafil citrate is a nitrogen atom's position and the change of sildenafil's piperazine ring methyl group to an ethyl group. Tadalafil is structurally different from both sildenafil and vardenafil. Vardenafil's relatively short effective time is comparable to but somewhat longer than ...
Sildenafil, sold under the brand name Viagra among others, is a medication used to treat erectile dysfunction and pulmonary arterial hypertension. [4] [8] It is also sometimes used off-label for the treatment of certain symptoms in secondary Raynaud's phenomenon. [9] It is unclear if it is effective for treating sexual dysfunction in females. [8]
BUT be careful — like tadalafil, vardenafil, and other phosphodiesterase type 5 inhibitors, Viagra should be prescribed and taken under the medical advice of a healthcare professional.
This allows for a longer therapeutic window and is therefore often a more convenient drug than others with a shorter therapeutic window. Tadalafil is more bioavailable (80%) than sildenafil (40%) and vardenafil (15%) but it has a slow absorption, or about 2 hours compared to 50 minutes of sildenfil. Vardenafil is most known for its potency. [24]
Beyond ED treatment, there are several other Viagra uses. Sildenafil is a prescription drug also used to treat pulmonary arterial hypertension, a type of high blood pressure that affects blood ...