WebSi este no es su caso, el medicamento puede que en ocasiones no vaya a hacer efecto alguno, o por el contrario, le cause episodios de hipertensión arterial que pueden ser .If you have an erection that lasts more than 4 hours, get medical help right away. Use protective measures and ask your doctor if you have any questions about this. When oral medications might not be safe Check with your health care team before you take any medicine for erectile dysfunction. Children—Use is not recommended. 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. What special dietary instructions should I follow? This medicine works best when you take it on an empty stomach an hour before sex.Web18 hours ago · What Is Viagra? Viagra, the ‘little blue pill’ that is used by millions of men worldwide for erectile dysfunction, was actually discovered by accident. In the early . WebDec 6, · La cabeza puede con esta pastilla, la anula. No produce excitación, solo una vasodilatación que hace fluir mejor la sangre al pene para hacer más efectiva y firme la erección, insisto, si la. WebSildenafil (Viagra) is used to treat erectile dysfunction (impotence; inability to get or keep an erection) in men. Sildenafil (Liqrev, Revatio) is used to improve the ability to exercise in adults (Liqrev, Revatio) and children 1 year of age and older (Revatio) with pulmonary arterial hypertension (PAH; high blood pressure in the vessels carrying blood to the .For treatment of erectile dysfunction: For oral dosage form tablets : Adults up to 65 years of age—50 milligrams mg as a single dose no more than once a day, 1 hour before sexual intercourse. Pero cuando pasa a ser algo frecuente, es hora de buscar ayuda médica. It works for up to 36 hours. Keep out of the reach of children. Children 1 year of age and older weighing 20 to 45 kg—20 mg 3 times a day.