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Seek emergency medical attention or call the Poison Help line at 1-800-222-1222. buy cialis professional scaly skinSide Effects of Viagra? Abdominal or stomach pain

PDE-5 inhibitors are generally well tolerated. Side effects include headache, flushing, dyspepsia, and nasal congestion. do you need a prescription for levitra When Viagra was taken as recommended (on an as-needed basis) in flexible-dose, placebo-controlled clinical trials of two to twenty-six weeks duration, patients took Viagra at least once weekly, and the following adverse reactions were reported:

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If you do not understand the instructions on the pack, ask your doctor or pharmacist for help. can levitra be cut in half ? methscopolamine nitrateincrease in the size of the pupil28. Zusman RM, Morales A, Glasser DB, Osterloh IH "Overall cardiovascular profile of sildenafil citrate." Am J Cardiol 83 (1999): c35-44

The recommended dose of Viagra is 25-100 mg taken 30 minutes to 4 hours before sexual activity. Viagra increases the effects of blood pressure lowering medications. It also increases the blood pressure lowering effects of nitrates (for example, isosorbide dinitrate) that are used primarily for treating angina. Patients taking nitrates should not receive Viagra. Viagra should not be combined with Revatio or other PDE5 inhibitors (for example, Levitra [vardenafil], Cialis [tadalafil]). Tagamet (cimetidine), erythromycin, ketoconazole, Sporanox (itraconazole), and Posicor (mibefradil) can cause marked increases in the amount of Viagra in the body. Patients taking these medications should be observed carefully if Viagra is used. Si durante la actividad del sexo, usted nota mareo, náusea, o tiene dolor, entumecimiento, o cosquilleo en su pecho, brazos, cuello, o quijada, pare de hacer la actividad y llame de inmediato a su médico. Le puede estar ocurriendo un efecto secundario de gravedad que causa sildenafil.Effects of Tadalafil on Other Medicinal Products