Men who routinely use a class of medication called nitrates like nitroglycerine or isosorbide (
Isordil), commonly prescribed to prevent or alleviate a form of heart pain called angina pectoris, should not take Viagra.
The drugs included in the study's basket were Dyazide, a blood pressure product; Procardia, used for heart problems; Slow-K, which boosts potassium; Hydrodiuril, a blood pressure drug;
Isordil, a treatment for chest pain; Cardizem, also used for chest pain; Lasix, used to reduce high blood pressure and body fluid; Tenormin, a high blood pressure treatment; Inderal, a heart drug; and Tagamet, which is used to fight ulcers.
