Co-trimoxazole.
D000368:Aged; D001855:Bone Marrow Diseases / Q000139:chemically induced*; D004338:Drug Combinations; D004913:Erythrocytes, Abnormal; D005260:Female; D005494:Folic Acid Deficiency / Q000150:complications*; D006801:Humans; D008297:Male; D008534:Megaloblasts; D013420:Sulfamethoxazole / Q000009:adverse effects*; D014295:Trimethoprim / Q000009:adverse effects*
D004338:Drug Combinations; D014295:Trimethoprim; D013420:Sulfamethoxazole