Metyrosine acts by inhibiting tyrosine hydroxylase, thus causing depletion of adrenal stores of catecholamines.
Metyrosine (50-200 mg/kg; i.p.) reduces carrageenan inflammation. Metyrosine (50-200 mg/kg; i.p.) shows antiulcerative activity is 87.7%, 93.7% and 95.5% for 50, 100 and 200 mg/kg doses of metyrosine, respectively.