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What side effects can Advil (ibuprofen) cause?
Advil (ibuprofen) can cause common stomach-related side effects, and it can also trigger serious reactions—especially with higher doses, long-term use, or in people with certain health conditions.
Common side effects
Many people experience mild, short-lived effects such as:
- Stomach upset or heartburn
- Nausea
- Vomiting
- Dizziness or headache
Less common but potentially serious side effects
Seek urgent medical care if Advil causes signs of more dangerous complications, such as:
- GI bleeding: black/tarry stools, vomiting blood, severe stomach pain
- Allergic reaction: swelling of the face or throat, trouble breathing, hives
- Serious skin reactions: blistering rash, peeling skin
- Kidney problems: decreased urination, swelling in legs/feet
- Chest pain, shortness of breath, weakness on one side, trouble speaking (possible cardiovascular or stroke symptoms)
- Severe liver injury: yellowing of skin/eyes, dark urine, severe fatigue
Who is at higher risk for dangerous side effects?
Risk goes up if you:
- Take higher doses or use it for longer than directed
- Have a history of stomach ulcers or GI bleeding
- Have kidney disease or dehydration
- Have uncontrolled high blood pressure, heart disease, or a history of stroke
- Take certain medicines that increase bleeding risk (for example, anticoagulants) or other NSAIDs
- Are older (especially with prolonged use)
What if you take too much (overdose)?
Taking more than the label dose can lead to severe problems, including stomach bleeding, kidney injury, seizures, and trouble breathing. If overdose is suspected, get emergency help or contact Poison Control right away.
How to reduce side effects
To lower the chance of stomach irritation:
- Follow the label dosing directions
- Avoid combining with other NSAIDs (unless a clinician tells you to)
- Take it with food if your stomach is sensitive
- Use the lowest effective dose for the shortest time
When should you stop and call a clinician?
Stop using Advil and get medical advice if you notice:
- Persistent stomach pain, new heartburn that worsens, or any signs of bleeding
- A rash, facial swelling, or breathing trouble
- Reduced urination or sudden swelling
- Symptoms that keep returning despite dosing as directed
If you tell me your age, the dose you plan to take (mg), how often, and what you’re treating (pain/fever, tooth pain, period cramps, etc.), I can flag the most relevant side-effect risks for your situation.