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Interaction between 8-methoxypsoralen and phenytoin. Consequence for PUVA therapy
Acta Dermato-Venereologica
|January 1, 1985
Summary
Phenytoin therapy can reduce 8-methoxypsoralen (8-MOP) levels, causing PUVA treatment failure in patients with psoriasis and epilepsy. Discontinuing phenytoin restored normal 8-MOP levels, suggesting drug-induced metabolism interference.
Area of Science:
- Dermatology
- Pharmacology
- Hepatology
Background:
- Psoriasis is a chronic inflammatory skin condition.
- PUVA (psoralen plus ultraviolet A) therapy is a common treatment for psoriasis.
- Epilepsy is a neurological disorder often managed with anticonvulsant medications.