Is it safe to take aspirin and Advil (ibuprofen) together?
In general, you should not take aspirin and Advil (ibuprofen) at the same time unless a clinician tells you to. Both drugs are non-steroidal anti-inflammatory drugs (NSAIDs), and using two together raises the risk of side effects—especially stomach irritation/ulcers and bleeding. It can also affect kidney function.
What’s the main risk if I combine them?
The biggest concerns are:
- Stomach bleeding or ulcers (risk goes up when you stack NSAIDs).
- Kidney strain, especially in older adults or people who are dehydrated or have kidney disease.
- Higher chance of bruising or bleeding in some people.
If you’re taking aspirin for heart protection or stroke prevention, combining it with ibuprofen can also complicate how well aspirin works as intended (see below).
If I take aspirin for heart protection, does ibuprofen interfere?
Often, yes. Ibuprofen can interfere with the way aspirin blocks an enzyme in platelets if taken too close together. For people using low-dose aspirin for cardioprotection, clinicians sometimes advise spacing ibuprofen and aspirin by hours so aspirin has time to take effect. If you take both for this reason, it’s important to ask your pharmacist or doctor how to time the doses.
What if I’m taking aspirin for pain or fever instead of heart protection?
Even then, combining aspirin with ibuprofen usually isn’t recommended because you’d still be stacking two NSAIDs. A safer approach is usually to pick one NSAID (or use acetaminophen if appropriate), but your best option depends on why you’re taking them and your health history.
When would someone intentionally use both?
This is uncommon and typically only done when a clinician has directed it for a specific situation. If you’re seeing a doctor for pain control, they may choose one medicine and adjust dosing rather than stacking.
What should you do instead?
- Choose one NSAID at a time (either aspirin or ibuprofen), following the label or your clinician’s instructions.
- If you need pain/fever relief and can’t take NSAIDs safely, ask about using acetaminophen (Tylenol) instead.
- Avoid alcohol and other blood-thinning medicines unless your clinician okays the combination.
Get urgent help if you already took both
Seek medical care right away (or call local emergency services) if you have signs of bleeding such as black/tarry stools, vomiting blood/coffee-ground material, severe stomach pain, fainting, chest pain, or trouble breathing.
If you tell me your age, the dose of aspirin (81 mg or full-strength), the dose of Advil, and why you’re taking aspirin (heart protection vs pain), I can help you figure out the safest timing and what questions to ask your pharmacist.