Can you take tadalafil with blood pressure medication?
Can you take tadalafil with blood pressure medication? Often yes, but it depends on the drug. Avoid nitrates and use caution with alpha blockers.
Key facts
- Tadalafil Daily is $129/month (billed $387 every 90 days), charged only after a clinician approves it.
- Answer a few health questions online. A licensed clinician reviews them. If approved, it ships to your door.
- Adults 18 or older. A licensed clinician reviews your health history and decides whether treatment is appropriate for you. Availability depends on the state you live in.
If you are asking, "can you take tadalafil with blood pressure medication," the safest answer is: sometimes, but it depends on which blood pressure drug you take and your heart health. Tadalafil (Cialis) can lower blood pressure, so some combinations raise the risk of dizziness or fainting. This guide explains the main interaction types to know, what symptoms to watch for, and when to get urgent help. Vitals Vault also links you to labs and clinician support options, but this page is focused on safety first.
- Often yes, but only if your blood pressure meds are not nitrates and your clinician says it is safe.
- Tadalafil can lower blood pressure, so dizziness or fainting risk is higher with some BP drugs.
- Do not combine tadalafil with nitrates or riociguat due to dangerous low blood pressure risk.
- Alpha blockers and alcohol can add to blood pressure lowering effects and need extra caution.
Can you take tadalafil with blood pressure medication?
Which blood pressure drugs are most likely to interact
Nitrates (do not combine)
Do not take tadalafil with any nitrate medication used for angina (chest pain), including nitroglycerin products and isosorbide medicines. This combination can cause a large drop in blood pressure and can be life-threatening. If you have chest pain after taking tadalafil, seek emergency care and tell responders you took a PDE5 inhibitor.
Riociguat (do not combine)
Do not use tadalafil with riociguat (a medicine for pulmonary hypertension). Using them together can lead to dangerously low blood pressure. If you are treated for pulmonary hypertension, your prescribing team should coordinate any erectile dysfunction treatment choices.
Alpha blockers (use caution)
Alpha blockers can be used for high blood pressure or urinary symptoms from benign prostatic hyperplasia (BPH). Taking tadalafil with an alpha blocker can lower blood pressure more than either drug alone, raising the chance of dizziness or fainting. Clinicians may adjust timing or choose alternatives based on your stability on each medication.
Other BP meds (often compatible)
Many people take tadalafil while on common blood pressure medicines such as ACE inhibitors, ARBs, calcium channel blockers, beta blockers, or diuretics. Even when a combination is allowed, tadalafil can still add some blood pressure lowering effect, so you should watch for lightheadedness, especially when standing up. Your clinician may want to confirm your blood pressure is well controlled before prescribing.
Alcohol and dehydration (adds risk)
Alcohol can also lower blood pressure and can worsen dizziness when combined with tadalafil and blood pressure medicines. Dehydration, vomiting, diarrhea, or heavy sweating can further increase the risk of feeling faint. If you notice new dizziness after a medication change, contact your clinician.
CYP3A4 inhibitors (raise tadalafil levels)
Some medicines increase tadalafil levels by inhibiting CYP3A4, including certain antifungals and antibiotics, and some HIV medicines. Higher tadalafil exposure can increase side effects, including blood pressure related symptoms. Make sure your prescriber knows all prescription drugs, over-the-counter products, and supplements you use.
| Medication type | Can it be used with tadalafil? | Main concern | What to do |
|---|---|---|---|
| Nitrates (nitroglycerin, isosorbide) | No | Severe low blood pressure | Avoid combination; get urgent help for chest pain |
| Riociguat | No | Severe low blood pressure | Avoid combination; ask prescriber for alternatives |
| Alpha blockers | Sometimes | Dizziness or fainting | Use only with clinician guidance and monitoring |
| Most other BP meds | Often | Added BP lowering | Watch for symptoms; review your med list with clinician |
When to call a clinician or seek urgent care
Call urgently for chest pain
Chest pain, pressure, or shortness of breath can be a medical emergency. Do not take nitrates on your own if you have used tadalafil, and tell emergency responders you took tadalafil so they can choose safe treatments.
Get help for fainting or severe dizziness
If you faint, feel like you might pass out, or cannot safely stand or walk, get urgent medical help. This can signal your blood pressure has dropped too low, especially after starting or changing blood pressure medicines or adding tadalafil.
Seek urgent care for vision or hearing changes
Sudden vision loss or sudden decrease or loss of hearing requires urgent evaluation. These events are rare but are listed warnings for PDE5 inhibitors, including tadalafil.
Call for an erection lasting too long
An erection that lasts longer than 4 hours needs emergency care to prevent permanent injury. This risk can be higher if you have certain blood disorders or use other erectile dysfunction treatments.
Check in if side effects persist
If you have ongoing headache, flushing, indigestion, back pain, muscle aches, or nasal congestion, contact your clinician. These are common tadalafil side effects, and your clinician can help assess whether an interaction, dose, or another condition is contributing.
Pro tips for safer use
Bring your full med list
Include chest pain meds, prostate meds, eye drops, and supplements.
Ask about alpha blockers
If you take one, ask how to reduce dizziness risk.
Stand up slowly
Orthostatic hypotension is more likely when starting or combining BP-lowering drugs.
Avoid mixing with heavy drinking
Alcohol can worsen lightheadedness and fainting risk.
Do not self-treat chest pain
If symptoms suggest angina, call emergency services instead of taking nitrates.
Frequently Asked Questions
Can you take tadalafil with blood pressure medication?
Often yes, but it depends on the specific blood pressure drug and your cardiovascular history. Tadalafil must not be used with nitrates or riociguat, and it needs caution with alpha blockers because blood pressure can drop too low. Review your full medication list with a clinician.
Which blood pressure medications should not be taken with tadalafil?
Nitrates used for chest pain and riociguat should not be taken with tadalafil due to the risk of severe low blood pressure. Alpha blockers are not always prohibited, but they require extra caution and clinician guidance. Always confirm with your prescriber.
What symptoms mean tadalafil and BP meds are lowering my blood pressure too much?
Warning signs include severe lightheadedness, fainting, confusion, or feeling unable to stand safely. These symptoms are more concerning after starting a new blood pressure medicine, changing doses, drinking alcohol, or becoming dehydrated. Seek urgent care if symptoms are severe or you pass out.
Is it safe to take tadalafil if I have heart disease or chest pain?
It depends on your heart condition and the medicines you use, especially whether you need nitrates for angina. Because tadalafil cannot be combined with nitrates, your cardiology or primary care team should be involved in the decision. Get emergency care for chest pain.
Can Vitals Vault help me check what might be causing ED?
Yes. If you have symptoms, Vitals Vault offers lab panels you can share with a clinician to help evaluate common contributors to erectile dysfunction. Labs do not diagnose on their own, and sudden or severe symptoms should be evaluated urgently.