Ideally, one should purchase over-the-counter (OTC) products with a reliable hechsher. Star-K certified products contain only kosher approved ingredients. A product containing a trace of a nonkosher ingredient (even if it is batel bshishim) cannot be certified Star-K. Similarly, all certified products are manufactured without any keilim concerns.
Unfortunately, very few OTC products are kosher certified, and kosher consumers who require such products are often confronted with shailos (questions). The Star-K reviewed ingredients used in hundreds of OTC products manufactured by many of the major pharmaceutical companies including Bayer, Bristol-Myers Squibb, Glaxosmithkline, McNeil, Novartis, Pfizer, Procter & Gamble, Purdue Frederick, Schering-Plough, and Wyeth.
In compiling a list of “approved” medications for use by one who is a choleh (ill) or has a maychush (discomfort) the following halachic guidelines were used:
Equipment – If all ingredients are kosher, there is no concern that the medicinal ingredients were produced on treif equipment (see Yoreh Deah […]