Cialis vs. Viagra: Effectiveness, Dosage, and Safety – Verywell
Cialis vs. Viagra: Effectiveness, Dosage, and Safety – Verywell Cialis is a brand (trade) name for tadalafil which may be used to treat erectile dysfunction (ED) and benign prostatic hyperplasia (BPH). Cialis (tadalafil) works by blocking the action of an enzyme known as cGMP-specific phosphodiesterase type-5 (PDE-5). This enzyme breaks down cGMP, a substance that …
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