Other
PDE-5 inhibitors
Used for
Erectile dysfunction; some for BPH or lung blood pressure
How it works
Relax blood vessels to increase blood flow.
Watch for
Never with nitrates like nitroglycerin: blood pressure can drop dangerously.
- Name clue
- -afil
- Examples
- sildenafil (Viagra, Revatio)
- tadalafil (Cialis)
More in other
A study and reference aid. Follow the product labeling and your pharmacist for anything about a patient's medicine.
Studying for the PTCE?
Drug classes are a big part of the Medications domain. Gutta's lessons and practice questions cover them, with an explanation for every answer.
Start free