sildenafil, sold under the brand name Viagra among others, is a medication use to treat erectile dysfunction and pulmonary arterial hypertension. It is unclear if it is effective for treating sexual dysfunction in women. It is taken by mouth or by injection into a vein.

Is sildenafil same as Viagra?
it is the generic version of Viagra, containing the same active ingredient as Viagra and Viagra Connect. Because all three treatments contain citrate as their active ingredient, they all work in exactly the same way.

What is a sildenafil use for?
it is use to treat men who have erectile dysfunction (also call sexual impotence). it belongs to a group of medicines call phosphodiesterase 5 (PDE5) inhibitors. These medicines prevent an enzyme call phosphodiesterase type-5 from working too quickly.

How long does sildenafil last for?
The amount of time that citrate affects someone depends on their weight, age, and other health factors, but the pill usually wears off after 4-6 hours. Note that your erection should never last more than four hours. If it does, seek medical treatment.

Does sildenafil make you harder?
An increase in citrate dose from 50 mg to 100 mg was associate with a higher proportion of completely hard and fully rigid erections and a higher rate of SSI during the initial attempt using the higher dose, improvements that were statistically significant in the larger study.

Is it OK to take sildenafil everyday?
The short answer is yes; you can take Viagra or its generic form, citrate, every day. Whether you need to or should, depends. Since each person is different, you should consult with a doctor about what’s best for you. They can discuss dosage and frequency.