In-Depth
Shellfish allergy
Symptoms
- Hives and angioedema Hives and angioedema — Comprehensive overview covers symptoms, causes, treatment of these common allergic disorders.
- Anaphylaxis Anaphylaxis — Comprehensive overview covers symptoms, risk factors and treatment of this dangerous allergic reaction.
- Diarrhea Diarrhea — Comprehensive overview covers symptoms, causes, complications, treatment of this unpleasant digestive condition.
- Dizziness Dizziness — Comprehensive overview covers types, symptoms, causes, treatments of this common health concern.
Tests and diagnosis
- Allergy skin tests Allergy tests — Overview covers definition, risks, results of skin 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 — Find out which ones are likely to ease your symptoms.
- Anaphylaxis: First aid First aid for a severe allergic reaction (anaphylaxis).
Prevention
- Food allergies: Understanding food labels Food allergies — Here's how to read food labels to avoid an allergic reaction.


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