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Citric acid
Citric acid allergy is rare but may occur as a contact or systemic reaction, particularly in individuals with citrus allergy. Symptoms include urticaria, angioedema, or asthma. Often derived from *Aspergillus niger* fermentation; mold allergy cross-reactivity is theoretical but unconfirmed.
Symptoms
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Skin rash
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Hives
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Swelling
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Digestive Issues
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Itching
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Difficulty Breathing
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Anaphylaxis
Healing & Prevention
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Avoidance
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Antihistamines
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Epinephrine
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Medical Consultation
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Hydration and rest
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Topical Creams