Dermatophyte Test Medium (DTM), Modified with Chloramphenicol is a selective and differential medium used for the detection and presumptive identification of dermatophytes from clinical and veterinary specimens.

• Soybean meal digest provides nitrogen
• Dextrose is a source of energy
• Phenol red indicates rise in pH of the medium
• Antimicrobial agents inhibit bacterial growth

Dermatophyte Test Medium (DTM) is a selective and differential medium used for the detection and presumptive identification of dermatophytes from clinical specimens. Because of the unavailability of one of the inhibitory agents, chlortetracycline, Dermatophyte Test Medium (DTM), Modified with Chloramphenicol is recommended as a substitute for the original DTM formulation.