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Table 1 Causes of anaphylaxis.

From: Anaphylaxis

• Foods: most commonly peanuts, tree nuts, egg, seafood and fish, cow’s milk, wheat
• Medications: most commonly antibiotics
• Insect stings (bees and wasps)
• Natural rubber latex
• Unidentified (no cause found; idiopathic anaphylaxis)
Less common:
• Exercise
• Semen
• Food additives: monosodium glutamate, metabisulfite
• Hormonal changes: menstrual factors
• Topical medications
• Transfusions