LoHist PD
Generic name:brompheniramine maleate and pseudoephedrine hydrochloride
Dosage form: oral solution
Drug class:Upper respiratory combinations
Medically reviewed by Drugs.com. Last updated on Dec 22, 2021.
Disclaimer: This drug has not been found by FDA to be safe and effective, and this labeling has not been approved by FDA. For further information about unapproved drugs, click here.
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The LoHist-PD brand name has been discontinued in the U.S. If generic versions of this product have been approved by the FDA, there may be generic equivalents available.
LoHist PD Description
LoHist PD Pediatric Drops is a cherry flavored, clear liquid antihistamine/decongestant.
Each dropperful (1 mL) for oral administration contains:
Brompheniramine Maleate . . . . . . . . . . . . . . . . . . . . . . 1 mg
Pseudoephedrine HCl . . . . . . . . . . . . . . . . . . . . . . . . 12.5 mg
Inactive Ingredients: Cherry flavor, citric acid, glycerin, sodium benzoate, propylene glycol, purified water, sodium saccharin, and sorbitol.
Brompheniramine Maleate is an antihistamine with the chemical name 2-Pyridinepropanamine, γ-(4-bromophenyl)-N,N-dimethyl-, (±)-, (Z) -2-butenedioate (1:1). Its structure is as follows:

C16H19BrN2 • C4H4O4 M.W. 435.31
Pseudoephedrine Hydrochloride is a nasal decongestant with the chemical name:
benzenemethanol, α-[1-(methylamino)ethyl]-, [S-(R*,R*)]-, hydrochloride. Its structure is as follows:

C10H15NO • HCl M.W. 201.69