Mues has been charged with robbery in a mask with a deadly weapon, and four other charges for trafficking or possessing controlled drugs. If you are a Mayo Clinic patient, this could include protected health information. Sildenafil does not prevent pregnancy or the spread of sexually transmitted diseases such as human immunodeficiency virus HIV. If it is not treated right away, priapism can permanently damage your penis sudden vision loss in one or both eyes. 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. They include dutasteride Avodart, Jalyn and finasteride Propecia, Proscar.VIAGRA is available by prescription only in 25 mg, 50 mg, and mg tablets. Patients should always ask their doctors for medical advice about adverse events. You are encouraged to report adverse events related to Viatris products by calling (U.S. only). If you prefer, you may contact the U.S. Food and Drug Administration (FDA.  · Adults 65 years of age and older—25 mg as a single dose no more than once a day, 1 hour before sexual intercourse. Alternatively, the medicine may be taken 30 minutes to 4 hours before sexual intercourse. Your doctor may adjust your dose if needed. Children—Use is not recommended. Sildenafil, the active ingredient in Viagra®, is an FDA-approved medication for treating erectile dysfunction (ED). If you’re Googling dosages, you may have some misunderstandings about what it’ll do for you — and that’s okay. 20 to 25mg Sildenafil. 25mg is the minimum dosage of sildenafil approved to treat erectile dysfunction.