Abstract: Described herein are methods for treating one or more skin conditions by administering, via the sublingual or buccal route, a composition comprising substituted or unsubstituted diindolylmethane. In particular, methods are provided for improving the bioavailability and pharmacokinetic parameters of substituted or unsubstituted diindolylmethane following a sublingual or buccal administration, relative to an oral administration.

Abstract: Described herein are pharmaceutical compositions comprising one or more modulators of a cytochrome 450 enzyme (CYP450) and substituted or unsubstituted diindolylmethane. Also described herein are methods for treating one or more skin conditions by administering a combination therapy comprising substituted or unsubstituted diindolylmethane and one or more modulators of CYP450. In particular, methods are disclosed for improving bioavailability and pharmacokinetic parameters of substituted or unsubstituted diindolylmethane following the combination therapy.

Abstract: A method of increasing the bioavailability, and decreasing the effect of age on the bioavailability, of metaxalone, by administration of an oral dosage form with food is provided, as well as an article of manufacture comprising an oral dosage form of metaxalone in a suitable container and associated with printed labeling which describes the increased bioavailability, and decreased effect of age on bioavailability, of the medication in the container, when taken with food.