Is diarrhea after eating peanut butter a sign of a peanut allergy?
Diarrhea can be a symptom of a peanut allergy. When you have an allergic reaction to peanuts, your digestive system may respond with symptoms like:
- Diarrhea
- Vomiting
- Stomach cramps
These digestive symptoms can appear within minutes or take a couple Show Full Answer
Is diarrhea after eating peanut butter a sign of a peanut allergy?
Diarrhea can be a symptom of a peanut allergy. When you have an allergic reaction to peanuts, your digestive system may respond with symptoms like:
- Diarrhea
- Vomiting
- Stomach cramps
These digestive symptoms can appear within minutes or take a couple of hours to develop after eating peanuts or peanut butter.
Watch for other symptoms
Food allergy reactions often involve multiple symptoms beyond just digestive issues. Other signs to watch for include:
- Skin hives, rash, or itching
- Swelling of lips, mouth, or tongue
- Itchy or tingling mouth or throat
- Runny nose
- Shortness of breath or throat tightness
When to seek help
If you develop additional symptoms beyond diarrhea, treat them right away or seek medical help. Even if you've only had mild reactions before, peanut allergies can cause anaphylaxis, a life-threatening reaction that requires immediate emergency care.
It's important to talk to your allergist about this reaction. They can perform allergy testing to confirm whether you have a peanut allergy and help you create a plan to stay safe.
February 26
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