[Anaphylactic reaction to camomile tea].

Area of Science:

• Allergy and Immunology
• Pharmacology
• Dermatology

Background:

• Type I hypersensitivity reactions are common immunological responses.
• Camomile (Matricaria chamomilla) is widely consumed as herbal tea.
• Allergic reactions to herbal products can occur, necessitating accurate diagnosis.

Observation:

• A patient presented with acute allergic symptoms including palmar pruritus, facial and nasal swelling, and throat tightness.
• Symptoms appeared approximately 30 minutes after consuming camomile tea.
• Hereditary angioedema was ruled out as a potential cause.

Findings:

• The patient was diagnosed with a type I allergy specifically to camomile tea.
• Skin prick testing provided definitive evidence for camomile-induced allergy.
• This case highlights camomile as a potential allergen.

Implications:

• Clinicians should consider camomile tea as a potential trigger for allergic reactions.
• Accurate diagnostic methods like skin prick testing are crucial for identifying specific food and herbal allergies.
• Increased awareness of camomile allergy may improve patient management and prevent future reactions.