Sildenafil FAQs – Clear Answers to Your Top Questions

Looking for a straight-talk sildenafil FAQ? Start here. Short answers, doctor-backed basics, and links to buy, dosage, and coupons.

Sildenafil FAQs: Buying Online

What is Slidenafil?

It’s the active ingredient in Viagra-used to treat erectile aysunction in men.

It boosts blood flow to help you get and maintain an erection during sexual activity.

Yes – if the provider is licensed and you have a valid prescription.

Most men experience effects for about 4 hours.

Yes, when prescribed. Always follow your provider’s guidance.

We compare top providers – check our Coupons and Top Brands pages.  

In the United States, sildenafil (whether generic or Viagra) legally requires a prescription. However, our recommended online telehealth services can provide a prescription after an online consult, and some international pharmacies will allow purchase without one.

Sildenafil is not approved for sexual dysfunction in women. Some studies have been done for female arousal disorders, but results are mixed and it’s not an established treatment. Women typically should not take sildenafil unless specifically prescribed for something like pulmonary
hypertension.

Both treat ED but are different drugs. Sildenafil (Viagra) typically works for ~4-6 hours and is taken on demand. Tadalafil (Cialis) lasts much longer (up to 36 hours – earning nickname 32 “weekend pill”). Tadalafil can also be taken as a daily low-dose.

In moderation, yes. A glass of wine or a beer likely won’t cause harm, but be aware that alcohol itself can impede your ability to get an erection (it’s a depressant). Also, combining alcohol and sildenafil can increase the chances of side effects like dizziness or drop in blood pressure.

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