noun. virility drug (trade name Viagra) used to treat erectile dysfunction in men.
1. Noun, singular or mass Nitroglycerin should not be taken with such phosphodiesterase medications such as sildenafil as the combination can cause blood pressure to plummet. 2. Adjective They state in their report that sildenafil headaches and migraines are not caused by changes in vascular pressure, but by sensitization and hyperexitability of perivascular sensory nerve terminals. 3. Verb, base form Though evidence exists for natural alternatives to sildenafil, many lack solid clinical evidence due to small study size or poor methodological quality. 4. Verb, past participle The generic name for Viagra is sildenafil, which belongs to a group of drugs called phosphodiesterase 5 inhibitors, or PDE5.