Drug or medication allergies are caused when the immune system mistakenly creates an immune response to a medication. Symptoms of a drug allergic reaction include:
The most common drugs that people are allergic to include:Read more: Drug Allergy (Medication Allergy) Article
Multimedia: Slideshows, Images & Quizzes
Picture of Morbilliform Drug Eruption
Morbilliform rash on the trunk occuring 1 week after the administration of a systemic cephalosporin. See a picture of...
Picture of Morbilliform Drug Eruption on Face
Morbilliform rash eventually spread to the face and extremeties of the same child. See a picture of Morbilliform Drug Eruption on...
Picture of Fixed Drug Eruption
A large red-violet plaque on the arm of a child. See a picture of Fixed Drug Eruption and learn more about the health topic....
Picture of Amiodarone
A striking slate-gray pigmentation in a photodistribution of the face. See a picture of Amiodarone and learn more about the...
Picture of Urticaria
This is a close-up view of wheals with white-to-light-pink color centrally and peripheral erythema. See a picture of Urticaria...
Could I Be Allergic? Discover Your Allergy Triggers
Allergies are an overreaction of the immune system where the body's defenses react to substances such as pollen, food and more....
Nasal Irrigation: Natural Relief for Cold & Allergy Symptoms
Clogged sinuses and congestion bothering you? Nasal irrigation can relieve sinus symptoms associated with colds and allergies....
Home Allergy Quiz: Is Your Home Allergy-Proof?
Take this home allergy quiz and test your knowledge on allergens, dust mites, pollens and more to see how allergy-proof your home...
Top 13 Ways to Tame Eye Allergies
Eye allergies, or allergic conjunctivitis, cause itchy eyes and other allergic symptoms. Avoiding allergens and using medicated...
Related Disease Conditions
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...
Anal itching is the irritation of the skin at the exit of the rectum, known as the anus, accompanied by the desire to scratch....
Chronic Rhinitis and Post-Nasal Drip
Chronic rhinitis and post-nasal drip symptoms include an itchy, runny nose, sneezing, itchy ears, eyes, and throat. Seasonal...
Diarrhea (Causes, Medicine, Remedies, Treatment)
Diarrhea is a change is the frequency and looseness of bowel movements. Symptoms associated with diarrhea are cramping, abdominal...
Hives (Urticaria & Angioedema)
Hives, also called urticaria, is a raised, itchy area of skin that is usually a sign of an allergic reaction. The allergy may be...
Itch (Itching or Pruritus)
Itching can be a common problem. Itches can be localized or generalized. There are many causes of itching to include: infection...
Fainting (Syncope) Symptoms, Causes, Treatment, and Prevention
Fainting, also referred to as blacking out, syncope, or temporary loss of consciousness has many causes. Often a person will have...
Nausea and Vomiting (Causes, Natural Remedies, Diet, Medication)
Nausea is an uneasiness of the stomach that often precedes vomiting. Nausea and vomiting are not diseases, but they are symptoms...
An allergy refers to a misguided reaction by our immune system in response to bodily contact with certain foreign substances. ...
Anxiety is a feeling of apprehension and fear characterized by symptoms such as trouble concentrating, headaches, sleep problems,...
Anaphylaxis is a serious allergic reaction that affects a number of different areas of the body at one time, and can be fatal....
Local ResourcesFind a local Asthma & Allergy Specialist in your town
Treatment & Diagnosis
Medications & Supplements
- Bronchodilators (Drug Class)
- Antihistamine Shots (Injections)
- Insulin for Diabetes Treatment (Types, Side Effects, and Preparations)
- Penicillin (Antibiotics)
- Drug Interactions
- loratadine, Claritin, Claritin RediTabs, Alavert, Claritin Hives Relief, Children's Claritin
- iodine, strong - oral
- EpiPen (epinephrine auto-injector, EpiPen Jr)
- epinephrine injection (Auvi-Q)
Prevention & Wellness
- Are 'Inactive' Ingredients in Your Drugs Really So Harmless?
- Testing for Penicillin Allergy May Cut 'Superbug' Infection Risk
- Penicillin Misconceptions May Raise Post-Op Infection Risk
- Say Goodbye to Allergy Misery in Spring
- Medicines Are Biggest Culprit in Fatal Allergic Reactions: Study
- Faster Drug Approvals Linked to Increased Safety Issues
- Internet Search History May Reveal Unknown Drug Side Effects
- Study: Allergies Need to Be Taken Seriously
- Health Tip: Reduce Your Risk of Adverse Drug Reactions
- Health Tip: Having an Allergy to Medication
- Kids' Penicillin Allergy May Not Signal Other Drug Reactions