Can I take Cialis (tadalafil) with Lexapro (escitalopram)?
There’s no well-known direct interaction between Cialis (tadalafil) and Lexapro (escitalopram) that typically prevents them from being used together. They work through different mechanisms, and standard drug-interaction references generally do not flag a major interaction for this pair.
That said, both medicines can affect circulation and blood pressure in different ways, so the safest approach is still to confirm with your prescriber or pharmacist—especially if you have heart disease, low blood pressure, or you’re taking other interacting medicines.
What side effects or risks should I watch for if I combine them?
When Cialis is taken, the most relevant concern is blood-pressure lowering. Some people get dizziness, lightheadedness, or headaches, especially when standing up.
Lexapro can also cause side effects like dizziness in some people. If you notice increased lightheadedness, fainting, chest pain, or shortness of breath after using Cialis, you should seek medical advice promptly.
When is the combination more likely to be unsafe?
Cialis becomes much riskier when combined with certain other drugs. The key situation is using Cialis with nitrates or “poppers,” and/or with certain blood-pressure drugs beyond what your clinician has prescribed.
Tell your clinician if you take any of the following:
- Nitrates (for angina/chest pain), such as nitroglycerin
- “Poppers” (amyl nitrite, etc.)
- Alpha-blockers used for prostate symptoms or blood pressure (examples include tamsulosin, doxazosin). Some combinations require spacing and a stable dose.
How to talk to your doctor/pharmacist (what they’ll likely ask)
Be ready to mention:
- Your Lexapro dose and how long you’ve been on it
- Your Cialis dose (and whether it’s daily or as-needed)
- Any history of low blood pressure, fainting, heart disease, stroke, or uncontrolled blood pressure
- A full list of other medications and supplements (including nitrates and alpha-blockers)
Bottom line
For most people, Cialis and Lexapro can usually be taken together without a major known drug interaction. The main practical concern is blood-pressure-related side effects from Cialis, and the biggest safety red flags involve nitrates or certain other blood-pressure/chest-pain medicines.
If you share the exact doses you’re on (Lexapro mg, and Cialis mg), plus any other meds you take, I can help you narrow down the specific interaction risks to ask your pharmacist about.