Q: Oha types and mangement A: OHA = Oral Hypoglycemic Agents. Let me search the library for comprehensive coverage. Searching sources... A: That was hypoglycemia drug list, not OHA types. Let me search for the pharmacology section on OHA in a pharmacology textbook. A: Found Katzung's. Let me read the OHA section comprehensively. A: Excellent content from Katzung's. Let me read more to get biguanides, TZDs, DPP4, SGLT2, GLP-1, and management sections.