Drugs under investigation by the Food and Drug Administration, what they are used for and the potential problem:

R-Gene 10, a growth hormone, pediatric overdose due to labeling/packaging confusion.

Suprane, an anesthetic, cardiac arrest.

Cymbalta, for depression and other conditions, urinary retention.

Intelence, an HIV medication, bleeding into joints.

Carac and Kuric, creams for skin conditions and fungal infections, name confusion.

Heparin, a blood-thinner, serious allergic reactions.

Extraneal, used in kidney dialysis, low blood sugars.

Humulin R (U-500), insulin for diabetes, dosing confusion.

Stromectol and Warfarin, an anti-parasite drug and a blood thinner, drug interaction.

Tykerb, for advanced breast cancer, liver damage.

Revlimid, for multiple myeloma, severe skin blistering and bleeding.

Tysabri, for multiple sclerosis, skin melanomas.

Nitrostat, for angina, overdose due to labeling confusion.

Sandostatin LAR, for abnormal bone growth, bowel obstruction.

Oxycontin, a pain killer, drug misuse, abuse and overdose.

Definity, used in cardiac imaging, cardiopulmonary reactions.

Dilantin injection, for epileptic seizures, serious skin reaction.

Seroquel, for bipolar disorder, overdose due to sample pack labeling confusion.

Tyzeka, for chronic hepatitis B, nerve damage.

Tumor Necrosis Factor (TNF) Blockers, for juvenile arthritis, cancers in children and young adults.