Can Advil (ibuprofen) cause constipation?
Yes. Advil (ibuprofen) can cause constipation in some people, though it’s not one of the most common side effects. Drug side effects can vary by person and by dose, and constipation can show up during use or shortly after starting.
How would ibuprofen lead to constipation?
Ibuprofen is an NSAID (nonsteroidal anti-inflammatory drug). By affecting prostaglandins in the gut, NSAIDs can sometimes slow normal intestinal movement, which may contribute to constipation in certain users.
What side effects commonly come with it?
If constipation occurs, people sometimes also report other stomach or bowel symptoms such as:
- stomach discomfort or indigestion
- nausea or bloating
- diarrhea alternating with constipation in some cases
Because NSAIDs also irritate the gastrointestinal tract, symptoms can overlap—so it helps to pay attention to the pattern and timing.
When to worry or stop and get medical help
Get urgent medical care if constipation comes with any of the following:
- severe or worsening abdominal pain
- vomiting
- inability to pass gas
- a swollen belly
- blood in stool or black/tarry stools
- constipation lasting more than a few days despite usual measures
These can signal a more serious problem than a typical medication-related side effect.
What can you do if constipation starts after Advil?
If you’re otherwise healthy and symptoms are mild:
- increase fluids
- add fiber (foods or a fiber supplement, if tolerated)
- stay active if you can
- consider an over-the-counter constipation option (ask a pharmacist if you’re unsure)
If you suspect Advil triggered it, you can also ask a clinician whether switching to a different pain/fever option is appropriate for you.
Is it more likely if you’re already at risk?
Constipation is more likely if you have risk factors such as:
- dehydration
- low-fiber diet
- recent reduced activity
- existing bowel conditions
- use of other constipation-causing medicines (especially opioids, some antidepressants, and certain allergy meds)
If you tell me your age, dose, how long you’ve been taking Advil, and whether you’re constipated or just have harder stools, I can help you decide what’s most likely and what to try next.