Drug Allergies Index

Featured: Drug Allergy Main Article

Drug allergies are cause when the immune system mistakenly creates an immune response to a medication. Symptoms of a drug allergic reaction include hives, rash, itchy skin or eyes, dizziness, nausea, diarrhea, fainting and anxiety. The most common drug allergy is penicillin. Treatment may involve antihistamines or corticosteroids. An Epipen may be used for life-threatening anaphylactic symptoms.

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    Related Diseases & Conditions

    • Hives Hives, also called urticaria, is a raised, itchy area of skin that is usually a sign of an allergic reaction. The allergy may be...learn more »
      In This Article
      Hives Article
      • Hives facts
      • What are hives (urticaria) and angioedema?
      • What causes hives and angioedema?
      • What are the different kinds of hives?
      • What are the symptoms and signs of ordinary urticaria (ordinary hives)?
      • What are the causes of ordinary hives?
      • What are the causes of chronic hives?
      • Are there other conditions that mimic hives?
      • What is the treatment for hives?
      • What is the prognosis of hives?
    • Diarrhea Diarrhea is a change is the frequency and looseness of bowel movements. Cramping, abdominal pain, and the sensation of rectal...learn more »
      In This Article
      Diarrhea Article
      • Diarrhea facts
      • What is diarrhea?
      • What is the definition of diarrhea?
      • What symptoms are associated with diarrhea?
      • What are common causes of acute diarrhea?
      • Traveler's diarrhea
      • Viral gastroenteritis
      • Bacterial enterocolitis
      • Food poisoning
      • Parasites
      • Drugs
      • What are common causes of chronic diarrhea?
      • When should the doctor be called for diarrhea?
      • How is the cause of diarrhea diagnosed?
      • What home remedies help the symptoms of diarrhea?
      • What medications are used to treat diarrhea?
      • When should antibiotics be used for diarrhea?
      • What are the complications of diarrhea?
      • How can dehydration be prevented and treated?
    • Fainting (Syncope) Fainting, also referred to as blacking out, syncope, or temporary loss of consciousness has many causes. Often a person will have...learn more »
    • Rash The word "rash" means an outbreak of red bumps on the body. The way people use this term, "a rash" can refer to many different...learn more »
    • Allergy (Allergies) An allergy refers to a misguided reaction by our immune system in response to bodily contact with certain foreign substances. ...learn more »
    • Anal Itching Anal itching is the irritation of the skin at the exit of the rectum, known as the anus, accompanied by the desire to scratch. ...learn more »
      In This Article
      Anal Itching Article
      • Anal itching facts
      • What is anal itching?
      • What causes anal itching?
      • What are additional symptoms associated with anal itching?
      • What is the treatment for anal itching?
      • Local anesthetics
      • Vasoconstrictors
      • Protectants
      • Astringents
      • Antiseptics
      • Keratolytics
      • Analgesics
      • Corticosteroids
      • What if anal itching persists?

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Terms related to Drug Allergies:

  • Allergy to Drugs