What Are Symptoms of Seafood Allergies?


Quick Answer

Symptoms of shellfish or seafood allergies include abdominal pain, diarrhea, vomiting and nausea, according to Healthline. Other symptoms include a tingling sensation in the mouth, trouble breathing, congestion, hives or itching, and fainting or lightheadedness. The lips, tongue, face, throat, hands and ears may also swell.

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What Are Symptoms of Seafood Allergies?
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Full Answer

Serious shellfish allergies may cause anaphylaxis, which is a medical emergency, notes Healthline. Symptoms of anaphylaxis caused by shellfish exposure or consumption include a lump in the throat or a swollen throat that causes breathing difficulties, rapid pulse, and extreme dizziness. The person may also experience a marked drop in blood pressure. Doctors recommend that people with shellfish allergies keep injectable epinephrine pens on hand to counteract symptoms.

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