Mayo Clinic Health Manager
Get free personalized health guidance for you and your family.
Get StartedShellfish allergy
In-Depth
Symptoms
- Anaphylaxis Anaphylaxis — Comprehensive overview covers symptoms, risk factors and treatment of this dangerous allergic reaction.
- Diarrhea Diarrhea — Comprehensive overview covers symptoms, causes, treatment of this unpleasant digestive condition.
- Hives and angioedema Hives and angioedema — Comprehensive overview covers symptoms, causes, treatment of these common allergic disorders.
- Dizziness Dizziness — Comprehensive overview covers types, symptoms, causes, treatments of this common health concern.
Tests and diagnosis
- Allergy skin tests Allergy skin tests — Overview covers definition, risks, results of tests for allergic sensitivities.
Causes
- Food poisoning Food poisoning — Comprehensive overview covers causes, symptoms and treatments.
Treatments and drugs
- Allergy medications: Know your options Allergy medications can help ease your symptoms. Find out which ones are likely to work for you.
- Anaphylaxis: First aid First aid for a severe allergic reaction (anaphylaxis).
Prevention
- Food allergies: Watch food labels for these top 8 allergens You can avoid allergic reactions by making sure to read food labels.