| Also known as |
Adcirca when treating pulmonary arterial hypertension |
| Blood pressure |
Typically lowers blood pressure |
| Chemical name |
Tadalafil |
| Dosage (medical) |
10 mg or 20 mg taken before sexual activity, or 2.5 mg to 5 mg taken once daily |
| Dosage (sports) |
Not typically used in sports for performance enhancement |
| Effects |
Helps achieve and maintain an erection, improves exercise capacity in pulmonary arterial hypertension |
| Formula |
C22H19N3O4 |
| Half-life |
17.5 hours |
| Hepatotoxicity |
Low risk |
| Lab Test |
Not typically required for monitoring |
| Main action |
Increases blood flow to particular areas of the body, primarily the penis, by relaxing muscles of the blood vessels |
| Side effects |
Headache, stomach upset, back pain, muscle pain, stuffy nose, flushing, or dizziness |
| Storage conditions |
Store at room temperature away from moisture and heat |
| Substance class |
Phosphodiesterase type 5 inhibitor |
| Trade name |
Cialis |
| Use in sports |
Sometimes used off-label for muscle pump during workouts |
| Water Retention |
No significant effect |
| Manufacturer |
Pharmaceutical |