Drug Name Vitamin B-12

She emphasized, however, that the HbA1c remains a useful tool for monitoring diabetes.
Prednisone is a synthetic corticosteroid drug that is particularly effective as an immunosuppressant, and affects virtually all of the immune system. It is used to treat certain inflammatory diseases and (at higher doses) cancer, but has significant adverse effects. Because it suppresses the immune system, it leaves patients more susceptible to infections.

Tetracycline (INN) is a broad-spectrum polyketide antibiotic produced by the Streptomyces genus of Actinobacteria, indicated for use against many bacterial infections. It is a protein synthesis inhibitor. It is commonly used to treat acne today, and, more recently, rosacea, and played a historical role in reducing the incidence of mortality because of cholera. It is sold under the brand names Sumycin, Terramycin, Tetracyn, and Panmycin, among others.
On its own, spironolactone is only a weak diuretic because its effects target the distal nephron (collecting tubule), where urine volume can only be slightly modified; but it can be combined with other diuretics to increase efficacy.