General Chapter <795> Pharmaceutical Compounding—Nonsterile Preparations. In: United States Pharmacopeia and National Formulary (USP 43-NF 38). Revised January 1, 2014. Rockville, MD: The United States Pharmacopeia Convention Inc; 2020.
Commercially available as a 1-mg/mL solution — Use extemporaneously prepared formulation only when commercial product is unavailable or a more concentrated suspension is desired.
AllenLVJr, EricksonMA 3rd. Stability of baclofen, captopril, diltiazem hydrochloride, dipyridamole, and flecainide acetate in extemporaneously compounded oral liquids. Am J Health Syst Pharm. 1996;53(18):2179–2184.