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Can I have an unexpected allergic reaction to a drug?

Unexpected allergic reactions to drugs are rare, but symptoms can be severe, ranging from fever to skin rashes and hives, and anaphylaxis, a severe and potentially life-threatening reaction that includes swelling of the tongue and mouth, difficulty breathing, rapid heartbeat, a dramatic drop in blood pressure, unconsciousness, and possibly even death.

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Is There a Way to Prevent Allergies?
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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.