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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 ]
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.
Most men and women know at least vaguely what Viagra does, but not everyone knows how it does it. ... USA TODAY Sports. Super Bowl 59 ticket prices: How much it costs to watch Chiefs vs. Eagles ...
Viagra (or sildenafil) lasts three to five hours after it’s consumed. Cialis (tadalafil) has a half-life of 17.5 hours, meaning this drug lasts up to 36 hours after it’s consumed.
Vardenafil's indications and contraindications are the same as with other PDE5 inhibitors; it is closely related in function to sildenafil citrate (Viagra) and tadalafil (Cialis). 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 ...
The 2012 Pakistan fake medicine crisis revealed the scale of production of counterfeit medications in Pakistan. Over 100 heart patients died after administration of adulterated drugs by the Punjab Institute of Cardiology. [16] Pakistan did not have any regulatory enforcement on production of medicines until this crisis occurred.
The price per dose of Viagra is higher than Cialis. Viagra ranges from $86 to $116 a pill. Meanwhile, Cialis is more like $15 to $83 per dose, depending on the dosage and whether it’s the daily ...
How to Use Viagra for Best Results. Viagra is great as an ED treatment, but taking it in particular conditions can make it even more effective. To get the best results from Viagra when treating ...