"By Matt McMillen
WebMD Health News
Reviewed by Brunilda Nazario, MD
April 9, 2015 -- Spring is finally here, and with it comes tree pollen. For people with allergies, that could spell misery. But despite the hars"...
(carbinoxamine maleate) Extended-Release Oral Suspension
Each 5 mL of Karbinal ER Extended-release Oral Suspension contains carbinoxamine complexed with polistirex equivalent to 4 mg carbinoxamine maleate and the following inactive ingredients: citric acid anhydrous, strawberry-banana flavor, glycerin, high fructose corn syrup, methylparaben, modified food starch, polysorbate 80, polyvinyl acetate, povidone, propylparaben, purified water, sodium metabisulfite, sodium polystyrene sulfonate, sucrose, triacetin, and xanthan gum.
Carbinoxamine maleate is freely soluble in water. The chemical name is 2-[(4-chlorophenyl)-2- pyridinylmethoxy]-N, N-dimethylethanamine (Z)-2-butenedioate (1:1), which has the following structure:
C16H19ClN2O•C4H4O4 MW = 406.86
The drug-polistirex complex is formed with the active ingredient (carbinoxamine maleate, USP) and sodium polystyrene sulfonate, USP, which has the following structure:
Last reviewed on RxList: 4/15/2013
This monograph has been modified to include the generic and brand name in many instances.
Additional Karbinal ER Information
Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
Allergies & Asthma
Improve treatments & prevent attacks.