1. Erectile Dysfunction (ED)
Helps men achieve and maintain an erection by increasing blood flow to the penis.
Works best when taken before sexual activity (10–20 mg) or daily at a lower dose (2.5–5 mg).
2. Benign Prostatic Hyperplasia (BPH)
Relieves urinary symptoms like difficulty starting urination, weak stream, or frequent urination.
Usually prescribed as a daily dose (5 mg).
3. Pulmonary Arterial Hypertension (PAH)
Lowers blood pressure in the lungs, improving exercise capacity.
Usually taken as a higher daily dose (40 mg total per day, divided into two 20 mg doses).
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How It Works
Tadalafil is a PDE-5 inhibitor, meaning it relaxes blood vessels and improves blood flow. Its effects last longer than sildenafil (Viagra) — up to 36 hours, earning it the nickname “the weekend pill.”
