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    20 Drugs the FDA Is Watching

    First New Quarterly Report IDs Drug Side Effects Under FDA Investigation
    WebMD Health News
    Reviewed by Louise Chang, MD

    Sept. 5, 2008 -- The FDA is "evaluating" new adverse-event reports for 20 drugs, the agency announced today.

    A 2007 federal law requires the FDA to disclose all its investigations into reports of possibly drug-related adverse events. Today's list is the first of this series of quarterly reports.

    The list includes adverse events reported between Jan. 1 and March 31, 2008. FDA officials say it will be "weeks or months" before more recent reports are made.

    All of the reports on the list come from the FDA's early-warning system for drugs already on the market. This Adverse Event Reporting System (AERS) collects reports from patients, hospitals, doctors, and drug companies about suspicious problems that might -- or might not -- be related to a medication.

    Just because a drug is on the list doesn't mean it isn't safe -- or even that it caused the suspected problem. Nobody should stop taking a drug just because it's on the list, the FDA says.

    "If a drug is listed, it means we have begun an analysis to see if there is a safety problem that requires further evaluation," Gerald Dal Pan, MD, MPH, director of the FDA office of surveillance and epidemiology, said at a news conference.

    When that evaluation is done, the FDA will either issue further warnings or an all-clear, Dal Pan said.

    Here's the list of drugs and the "adverse events" -- side effects -- reported to the AERS database:

    Product Name: Active Ingredient (Trade)
    or Product Class

    Potential Signal of Serious Risk/New Safety Information

    Arginine Hydrochloride Injection (R-Gene 10)

    Pediatric overdose due to labeling / packaging confusion

    Desflurane (Suprane)

    Cardiac arrest (heart stops working)

    Duloxetine (Cymbalta)

    Urinary retention

    Etravirine (Intelence)

    Hemarthrosis (blood in a joint)

    Fluorouracil Cream (Carac) and Ketoconazole Cream (Kuric)

    Adverse events due to name confusion


    Anaphylactic-type (life-threatening allergic) reactions

    Icodextrin (Extraneal)

    Hypoglycemia (low blood sugar)

    Insulin U-500 (Humulin R)

    Dosing confusion

    Ivermectin (Stromectol) and Warfarin

    Drug interaction

    Lapatinib (Tykerb)

    Hepatotoxicity (liver toxicity)

    Lenalidomide (Revlimid)

    Stevens-Johnson syndrome (a deadly drug reaction)

    Natalizumab (Tysabri)

    Skin melanomas (deadly skin cancer)

    Nitroglycerin (Nitrostat)

    Overdose due to labeling confusion

    Octreotide Acetate Depot (Sandostatin LAR)

    Ileus (bowels not moving)

    Oxycodone Hydrochloride Controlled-Release (OxyContin)

    Drug misuse, abuse, and overdose

    Perflutren Lipid Microsphere (Definity)

    Cardiopulmonary reactions (lung/heart problems)

    Phenytoin Injection (Dilantin)

    Purple glove syndrome (discoloration, pain, and swelling of the hand that may lead to amputation)

    Quetiapine (Seroquel)

    Overdose due to sample pack labeling confusion

    Tebivudine (Tyzeka)

    Peripheral neuropathy (tingling or numbness in the extremities)

    Tumor Necrosis Factor (TNF) Blockers

    Cancers in children and young adults


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