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Vitamin A and D
V
MEDICATION TYPE
Vitamin
INDICATIONS
Prevention or correction of low serum vitamin A and D levels.
DRUG INTERACTIONS
Barbiturates
Increases vitamin D requirements.
Carbamazepine
Increases vitamin D requirements.
Phenobarbitone
Increases vitamin D requirements.
Phenytoin
Increases vitamin D requirements.
Retanoids
Risk of hypervitaminosis A.
Thiazides
Increased risk of hypercalcaemia.
NOTES
Take with PERT and fat-containing food.
MEDICAL WARNING
Vitamin A and D should only be administered under the supervision of a healthcare professional. Always verify against current BNF and your local CF protocol before prescribing.