Vitamin a Disease Interactions
There are 2 disease interactions with vitamin a.
Vitamin A (applies to vitamin a) hepatobiliary dysfunction
Major Potential Hazard, High plausibility. Applicable conditions: Biliary Obstruction, Liver Disease
Vitamin A (including beta-carotene) is fat soluble and requires bile for adequate intestinal absorption. Hepatic and/or biliary dysfunction decrease the absorption of vitamin A. Vitamin A is metabolized by the liver and primarily excreted in bile and feces. Beta-carotene is primarily metabolized in the GI mucosa to vitamin A. Hepatic and/or biliary impairment can alter the metabolic and therapeutic activity of Vitamin A.
Vitamin A (applies to vitamin a) malabsorption syndromes
Moderate Potential Hazard, High plausibility.
Absorption of vitamin A depends on the presence of bile and absorbable fat in the GI tract. Prolonged fat malabsorption (cystic fibrosis, hepatic cirrhosis, sprue) or malabsorption syndromes (celiac disease, GI resection) can decrease the absorption of Vitamin A. Water- miscible vitamin A formulations may be an appropriate alternative in malabsorption conditions for certain conditions requiring vitamin A therapy.
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Vitamin a drug interactions
There are 23 drug interactions with vitamin a.
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Drug Interaction Classification
Highly clinically significant. Avoid combinations; the risk of the interaction outweighs the benefit. | |
Moderately clinically significant. Usually avoid combinations; use it only under special circumstances. | |
Minimally clinically significant. Minimize risk; assess risk and consider an alternative drug, take steps to circumvent the interaction risk and/or institute a monitoring plan. | |
No interaction information available. |
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Further information
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.