<p>When Methyldopa is used with other antihypertensive drugs, potentiation of antihypertensive effect may occur. Patients may require reduced doses of anesthetics when on Methyldopa. When Methyldopa and lithium are given concomitantly the patient should be carefully monitored for symptoms of lithium toxicity. Coadministration of Methyldopa with ferrous sulfate or ferrous gluconate is not recommended.</p>