Anaphylaxis is the most serious type of allergic reaction. It often occurs rapidly after exposure to an allergen and may be life-threatening.
Here's information about common causes of diarrhea and when to see your doctor.
Dizziness has many possible causes. The cause of dizziness may be simple, or dizziness may be a sign of a more serious disorder.
Hives and angioedema — Comprehensive overview covers symptoms, causes, treatment of these common allergic disorders.
Shortness of breath can be frightening. Most of the time, a heart or lung condition is the cause.
Tachycardia, a rapid heart rate, is caused by an abnormality in your heart's electrical impulses. Tachycardia can cause serious complications, including sudden cardiac arrest.
Oct. 10, 2014
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- Drug hypersensitivity. The Merck Manual for Health Care Professionals. http://www.merckmanuals.com/professional/immunology_allergic_disorders/allergic_autoimmune_and_other_hypersensitivity_disorders/drug_hypersensitivity.html?qt=drug sensitivity&alt=sh. Accessed July 22, 2014.
- Chiriac AM, et al. Drug allergy diagnosis. Immunology and Allergy Clinics of North America. 2014;34:461.
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- Anaphylaxis. The Merck Manual for Health Care Professionals. http://www.merckmanuals.com/professional/immunology_allergic_disorders/allergic_autoimmune_and_other_hypersensitivity_disorders/anaphylaxis.html?qt=anaphylaxis&alt=sh. Accessed Aug. 10, 2014.
- Adkinson NF, et al. Middleton's Allergy: Principals and Practice. 8th ed. Philadelphia, Pa.: Saunders Elsevier; 2014. http://www.clinicalkey.com. Accessed July 22, 2014.
- Young JS, et al. Chemotherapeutic medications and their emergent complications. Emergency Medicine Clinics of North America. 2014;32:563.
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