Tadalafil
Also sold as tadalafil, Tadalafil, TADALAFIL
Medicine summary · from official FDA labels · Oct 19, 2026
What it’s used for
Tadalafil is a phosphodiesterase 5 (PDE5) inhibitor indicated for the treatment of: erectile dysfunction (ED) (1. 1) the signs and symptoms of benign prostatic hyperplasia (BPH) (1.
How to take it
Do not split tadalafil tablets; entire dose should be taken. Tadalafil tablets for use as needed: ED: Starting dose: 10 mg as needed prior to sexual activity.
Important warnings
Evaluation of erectile dysfunction and BPH should include an appropriate medical assessment to identify potential underlying causes, as well as treatment options. Before prescribing tadalafil, it is important to note the following: Patients should not use tadalafil if sex is inadvisable due to cardiovascular status (5.
Common side effects
Most common adverse reactions (≥2%) include headache, dyspepsia, back pain, myalgia, nasal congestion, flushing, and pain in limb (6. 1) .
Interactions
Tadalafil can potentiate the hypotensive effects of nitrates, alpha-blockers, antihypertensives or alcohol ( 7.
If pregnant or breastfeeding
8.
Forms & strengths
4 MG/ML Oral Suspension · 20 MG Oral Tablet · 5 MG Oral Tablet · 10 MG Oral Tablet · 2.5 MG Oral Tablet
Questions to ask your doctor or pharmacist
- Is this the right medicine for my condition, and how long should I take it?
- What side effects should I watch for, and which need urgent attention?
- Does this interact with my other medicines, supplements, or alcohol?
- What should I do if I miss a dose or take too much?