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Sodium nitrite
Sodium nitrite (preservative) may cause non-allergic hypersensitivity reactions (e.g., headaches, hypotension) in sensitive individuals. Not an IgE-mediated allergy but can exacerbate asthma.
Symptoms
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Headache
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Nausea
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Dizziness
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Flushing
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Shortness of Breath
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Hives
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Swelling
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Abdominal Pain
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Rapid heartbeat
Healing & Prevention
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Avoidance of sodium nitrite
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Antihistamines
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Epinephrine (for severe reactions)
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Hydration
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Rest and Relaxation
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Medical Consultation
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Dietary adjustments