See the DrugPatentWatch profile for Advil
What common side effects does Advil (ibuprofen) cause?
Advil (ibuprofen) can cause side effects mainly related to the stomach and digestive tract. Common effects include:
- Stomach pain or heartburn
- Nausea and vomiting
- Gas or bloating
- Diarrhea or constipation
These are more likely with higher doses, frequent use, or taking ibuprofen on an empty stomach.
Are there other “common” side effects people notice?
Some people also report more general effects such as:
- Dizziness or headache
- Mild skin reactions (for example, rash)
If a rash is widespread, itchy, or comes with swelling, that is not a “typical” mild reaction and should be treated as urgent.
What side effects are less common but more serious?
Even when not the most common, these can matter because they signal harm:
- Bleeding in the stomach or intestines (signs include black/tarry stools, vomiting blood, or severe stomach pain)
- Kidney problems (signs include decreased urination, swelling in legs/feet, or unusual fatigue)
- Severe allergic reaction (hives, face/lip swelling, trouble breathing)
Seek urgent care if symptoms suggest bleeding, breathing difficulty, or a severe allergic reaction.
When does Advil side-effect risk go up?
Risk tends to increase if you:
- Take higher doses or use it for more days than directed
- Have a history of stomach ulcers or gastrointestinal bleeding
- Use other medications that raise bleeding risk (for example, blood thinners or steroids)
- Have kidney disease or are dehydrated
- Combine with alcohol frequently (increases stomach irritation/bleeding risk)
What should you do if you get side effects?
Stop and get medical advice if side effects are severe or persistent. For mild stomach upset, taking the dose with food can reduce irritation. Do not exceed the label directions.
If you tell me your age, the dose you’re taking (mg), and how often, I can help you judge which side effects are more likely and what warning signs to watch for.