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Black feces
Potential causes may include the following �:
Digested blood
Medications:Acetazolamide, aluminum hydroxide, aminophylline, amphetamine, amphotericin, anticoagulants, aspirin, betamethasone, bismuth, charcoal, chloramphenicol, chlorpropamide, clindamycin, copper, cortisone, corticosteroid, cyclophosphamide, cytarabine, ethacrynic acid, ferrous salts, fluorides, fluorouracil, halothane, heparin, hydralazine, hydrocortisone, ibuprofen, indomethacin, levodopa, melphalan, methylprednisolone, methotrexate, nitrate, phenylephrine, phosphorous, potassium salt, prednisolone, procarbazine, salicylates, sulfonamide, tetracycline, thallium, theophylline, thiotepa, triamcinolone, warfarin
Blue feces
Causative medications may include boric acid, chloramphenicol, or methylene blue.
Clay feces
Causative diseases may include alcoholic hepatitis, biliary cirrhosis, gallstones, sclerosing cholangitis, biliary strictures, or viral hepatitis.
Gray feces
Causative medications may include cocoa or colchicines.
Green feces
Potential causes may include the following:
Food : Spinach
Medications : Indomethacin, iron, medroxyprogesterone
Yellow feces
Potential causes may include the following:
Food : Rhubarb
Medication : Senna
Red feces
Potential causes may include the following:
Acute blood
Food : Blackberries
Medications : Aspirin, heparin, barium, lead, oxyphenbutazone, phenolphthalein, phenylbutazone, salicylate, senna, tetracycline syrup, hydroxocobalamin, rifampin
White feces
Causative medications may include aluminum hydroxide or bariums.
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