What are symptoms of a shellfish allergy?

What are symptoms of a shellfish allergy?

Shellfish allergy symptoms range from mild to severe. One person may experience itching and hives while another could have a life-threatening reaction, such as breathing problems. Symptoms can affect many different parts of the body: skin, respiration, digestion and heart.

Shellfish allergy symptoms include:

• Itching.
• Hives.
• Eczema.
• Tingling or swelling of the lips, tongue or throat.
• Chest tightness, wheezing, coughing, shortness of breath and difficulty breathing.
• Stomach issues: pain, nausea, indigestion, vomiting or diarrhea.
• Dizziness, weak pulse or fainting.
• Pale or blue skin coloring.
• Anaphylaxis, a severe, potentially fatal allergic reaction, often involving several parts of the body.