Drug Allergies Directory
Some drugs trigger allergic reactions in certain people. This happens when the body believes the drug is a foreign substance that is dangerous. The body tries to attack the drug with histamine and other substances in order to expel it from the body. Some of these allergic reactions can be life-threatening, while others may cause itchy skin, hives, congestion, or other less serious symptoms. Penicillin is a very common drug allergy. Treating drug allergies mostly consists of symptom relief, but for serious reactions, epinephrine may be given. Follow the links below to find WebMD's comprehensive coverage about how drug allergies are caused, how they're treated and prevented, and much more.
Facts About Drug Allergies
Do you have a drug allergy? Here's what you need to know about drug allergy symptoms, risk, and treatment.
Allergy Medicines: Is OTC or Prescription Better?
Can you take a medicine from the store when you have an allergic reaction, or should you get a prescription? Learn about the differences so you can decide.
Allergies to Medications
Many drugs can cause adverse side effects, and certain medicines can trigger allergic reactions. Learn more here.
Drug Allergies: What to Expect From a Doctor
Think you have a drug allergy? Here's what your doctor will most likely do.