AdSay Goodbye to Performance Anxiety and Hello to Improved Sexual Stamina! Trust Our Unbiased Reviews and Improve Your Sexual Health in Confidence! has been visited by 10K+ users in the past monthHonest & Unbiased Reviews · Top Brands Voted By Men · Over Products Tested.Sildenafil Viagra. Angina severe chest pain , unstable or Arrhythmia irregular heartbeat, within the last 6 months or Blood vessel problems eg, aortic stenosis, idiopathic subaortic stenosis or Heart attack within the last 6 months or Heart failure or Hypertension high blood pressure or Hypotension low blood pressure or Retinal disorders eye problem or Retinitis pigmentosa an inherited eye disorder or Stroke within the last 6 months —Should not be used in patients with these conditions. For treatment of pulmonary arterial hypertension: For oral dosage forms suspension or tablets : Adults—20 milligrams mg 3 times a day. The following information includes only the average doses of this medicine. If you are taking sildenafil for erectile dysfunction, you are unlikely to miss a dose since this medication is taken as needed, not on a regular dosing schedule. Tell your doctor if sildenafil is not working well or if you are experiencing side effects. If used together, your doctor may change the dose or how often you use this medicine, or give you special instructions about the use of food, alcohol, or tobacco.1 day ago · Generic Viagra is also available through Hims starting at $4 per dose. Viagra is available in mg, mg, and mg doses and can be purchased in day and day supplies. Shipping is.  · The highest recommended Viagra dose for treating erectile dysfunction (ED) is mg per day, according to the drug’s manufacturer. Doses of mg or mg would be considered off-label use. And while generic Revatio is available only in a mg strength—Viagra comes in , , and mg tabs—not to worry: Your doctor can prescribe the most .Leukemia blood related cancer or Multiple myeloma blood related cancer or Sickle-cell anemia blood disorder —Sildenafil should be used with caution in these patients as problems with prolonged erection of the penis may occur. This includes prescription or nonprescription over-the-counter [OTC] medicines and herbal or vitamin supplements. You can take this medicine with or without food 30 minutes before sex, depending on the dose. The following information includes only the average doses of this medicine. This boosts blood flow and helps you get an erection from sexual activity.