Patients — human and animal — usually turn to compounders when they are allergic to inactive ingredients in F.D.A.-approved medicines.
Another chemical, retinyl palmitate, sometimes listed among the inactive ingredients, has been linked to skin cancers in animal studies.
PAGE A18 Agency Warns of Fake Drugs The Food and Drug Administration warned of a growing threat in counterfeit drugs containing contaminants or inactive ingredients.
Generic drugs are allowed to contain different inactive ingredients from the brand drug — like flavors, fillers and dyes — which could potentially cause side effects.
Other products involved in the recall may contain foreign particles or inactive ingredients that may not meet testing requirements, the company said.
Certain liquid infants' and children's Tylenol, Motrin, Zyrtec and Benadryl may contain too much of the active drug ingredient or tiny metal particles or inactive ingredients that do not meet testing requirements, McNeil said.
The recall included more than 40 varieties of liquid pediatric Tylenol, Motrin, Benadryl and Zyrtec that may have contained metal particles, too much of the active drug ingredient or inactive ingredients that did not meet testing requirements.
The products, made at a company plant in Fort Washington, Pa., may have included metal particles, or too much of the active drug ingredient, or inactive ingredients that did not meet testing standards, the F.D.A. said.
Some of these over-the-counter medicines may contain more of the active ingredient than is specified on the product label or tiny metal particles or inactive ingredients that do not meet testing standards, the company said.
Inactive ingredients included sodium citrate, microcrystalline cellulose, magnesium stearate, maize starch, carnauba wax, povidone and talc.
No larvicidal effect was observed from nanoemulsion inactive ingredients (i.e. Tween 20 and isopropyl alcohol).
