Ethanol Concurrent use of alcohol and acitretin may lead to the formation of etretinate, which increases the duration of teratogenic potential in women.
Glyburide The glucose-lowering effect of glyburide may be potentiated.
Methotrexate Because the risk of hepatitis may be increased, concurrent use is contraindicated.
Phenytoin Protein binding of phenytoin may be reduced.
Progestin “minipill” Acitretin may interfere with the contraceptive effect.
Tetracyclines Because acitretin and tetracyclines can cause increased intracranial pressure, concurrent use is contraindicated.
Vitamin A, oral retinoids Because the risk of hypervitaminosis A is increased, concurrent use is contraindicated.
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