What are the side effects of taking sildenafil?
The most common side effects are headaches, feeling sick, hot flushes and dizziness. Many men have no side effects or only mild ones. It can be dangerous to take sildenafil if you also take medicines called nitrates (often given for chest pain). The combination can cause a dangerous fall in your blood pressure.
How many 20 mg sildenafil should I take?
Adults—5 or 20 milligrams (mg) three times a day. Each dose should be taken about 4 to 6 hours apart. Children—Use and dose must be determined by your doctor.
Is sildenafil safe to take daily?
Sildenafil is a medication which you can take regularly. It is safe to take every day, starting at 25mg or 50mg per dose with the option to go up to a 100mg dose for those who need it.
How long does sildenafil last in the body?
On how long its effects may last, sildenafil has a half-life of about three to four hours. This simply means that the active amount of viagra in your body reduces by around half after three to four hours.
Is sildenafil bad for your heart?
While sildenafil is more widely known for helping genital blood vessels expand to maintain an erection and, more recently, as a treatment for pulmonary hypertension, it has been thought to have little direct effect on the human heart.
Does sildenafil affect sperm?
Sildenafil does not alter semen parameters, and, in fact, may positively affect semen parameters. Sildenafil is helpful for treating ED caused by the psychological stress of infertility treatments. Sildenafil has improved the treatment of ED and may have a benefit on semen parameters.
When is the best time to take sildenafil?
The best time to take sildenafil is about 1 hour before sexual activity, but you can take the medication any time from 4 hours to 30 minutes before sexual activity. Sildenafil usually should not be taken more than once every 24 hours.
Does Sildenafil affect sleep?
PDE-5 inhibitors, sildenafil and vardenafil, caused a significant improvement in sleep quality and depression in this cohort of HD patients with ED.
Does Sildenafil keep you hard after coming?
Strictly speaking, no, Viagra does not keep you hard after ejaculation. Nevertheless, studies suggest that it could reduce your refractory period, and it will work for 4-6 hours, meaning that once your refractory period’s over, you should have no trouble getting another erection.
Can sildenafil cause stroke?
However, when used as directed and with the recommended precautions, Viagra is not normally associated with heart attacks or strokes. In fact, documented cases of Viagra causing strokes are typically associated with overuse and abuse of Viagra.
Does sildenafil cause kidney damage?
Rare but serious side effects include sudden-onset hearing loss and prolonged erections, which can lead to damage to the penis [4]. Here, we report a case of acute kidney injury following the use of sildenafil.