Quick Summary
Tadalafil (Cialis) can interact with certain medications and substances that affect blood pressure or cardiovascular function. Some interactions can be dangerous and should be avoided.
- Highest risk: nitrates (can cause severe hypotension)
- Moderate risk: alpha-blockers, blood pressure medications
- Other considerations: alcohol, antifungals, antibiotics
Compare Tadalafil Providers
Explore online prescription services, tadalafil pricing, and ED treatment providers.
Major Drug Interactions
Nitrates
Used for chest pain (e.g., nitroglycerin). Combination may cause dangerous blood pressure drop.
Alpha-blockers
Used for prostate or hypertension. May increase risk of dizziness and low blood pressure.
Blood Pressure Drugs
Can amplify blood pressure lowering effects when combined with tadalafil.
Other Interactions
- Alcohol: may increase dizziness and hypotension
- Antifungals (ketoconazole): may increase tadalafil levels
- Antibiotics (erythromycin): may increase exposure
- HIV medications: may alter metabolism
How to Reduce Interaction Risks
- Always inform your doctor about all medications
- Avoid nitrates completely
- Limit alcohol intake
- Start with the lowest effective dose
FAQ
Ready To Compare ED Medication Options?
Review online treatment platforms, pricing, prescription services, and medication availability.