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Rondec® Syrup
(chlorpheniramine maleate and phenylephrine hydrochloride) Syrup


Rondec® Syrup (carbinoxamine maleate and pseudoephedrine hcl) is a sugar-free, alcohol-free, bubblegum-flavored syrup for oral administration for adults and pediatric patients 2 years and older.

Each teaspoonful (5mL) contains:

Chlorpheniramine maleate . . . . . . . . . . . . . . . 4.0 mg
Phenylephrine hydrochloride . . . . . . . . . . . . 12.5 mg

Inactive ingredients: D&C Red No. 33, Flavor, Glycerin, Propylene Glycol, Purified Water, Sodium Saccharin, Sorbitol.

Chlorpheniramine maleate is an antihistamine with the chemical name: 2-Pyridinepropanamine, γ-(4-chlorophenyl)-N,N-dimethyl-,(Z)-2-butenedioate (1:1). Its chemical structure is as follows:

Chlorpheniramine maleate Structural Formula Illustration

C16H19ClN2 •C4H4O4       M.W. 390.86

Phenylephrine hydrochloride is a mydriatic and a decongestant with the chemical name: (-)-m-Hydroxy-a-[(methylamino)methyl]benzyl alcohol hydrochloride. Its chemical structure is as follows:

Phenylephrine hydrochloride Structural Formula Illustration

C9H13NO2•HCI     M.W. 203.67

Last reviewed on RxList: 4/9/2009
This monograph has been modified to include the generic and brand name in many instances.


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