Diagnosis: Nausea, vomiting, diarrhea, flatulence; vitamin K antagonism can potentiate bleeding induced by heparin, warfarins, and ASA, by further decreasing platelet adhesiveness. Treatment: Withdrawal, support therapy.
Common name: Vitamin A (deficiency = xerophthalmia). Chemical name: Retinol. Source: Liver and vegetable carotenoids. Recommended Daily Intake (RDI): Females, 2550 years old, 2700 IU; males slightly higher. Toxic dose: 25,000 IU/kg bolus, 25,000 IU per day every 30 days; such doses have been used to treat cystic acne. Antidote: None.
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