Most Common Drugs That Cause Allergies
Any drug can trigger an allergic reaction. That said, some are more likely to cause allergy-related problems than others.
Antibiotics -- amoxicillin, ampicillin, penicillin, tetracycline, and others
Nonsteroidal anti-inflammatory drugs -- Advil, Motrin, Nuprin (ibuprofen); Aleve, Anaprox (naproxen); and others
Monoclonal antibody therapy -- Erbitux (cetuximab), Rituxan (rituximab), and others
HIV drugs -- Viramune (nevirapine), Ziagen (abacavir), and others
Antiseizure drugs -- Carbatrol, Epitol, Equetro, Tegretol (carbamazepine); Lamictal (lamotrigine); Dilantin, Di-Phen, Phenytek (phenytoin); and others
Muscle relaxers given intravenously -- Anectine (succinylcholine), Norcuron (vecuronium), Tracrium (atracurium)
How you take a drug plays a part, too. Here are four things that increase your odds of having a drug allergy:
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Getting the drug by injection instead of by mouth
Using drugs that you rub directly on the skin
Taking the drug often
Many drugs can cause reactions that aren’t true allergies, even though they can range from mild side effects to dangerous symptoms. Some drugs that commonly cause non-allergic symptoms include:
Heart disease medications called ACE inhibitors (Capoten, Lotensin, Monopril, Vasotec, Zestril and others)
Contrast dyes for X-rays and CT scans
Some chemotherapy drugs