Learn about the potential side effects of hydrochlorothiazide/reserpine. Reserpine can induce hyperprolactinemia, resulting in gynecomastia in men, breast. PDR, LLC. All rights reserved. aestheticmedicalequipment.com · Advertisement. hydrochlorothiazide/methyldopa. Drug Summary. Classes. Centrally Acting Alpha Agonist with. Learn about Aldoril (Methyldopa-Hydrochlorothiazide) may treat, uses, dosage, side effects, drug interactions, warnings, Endocrine: Hyperprolactinemia. Moderate Methyldopa is associated with sedative effects. Agents that require monitoring for potential hypokalemia include thiazide diuretics. Minor Coadministration of thiazides and antimuscarinics hydrochlorothiazide hyperprolactinemia. In addition to cabergoline, quetiapine, and mirtazapine, the following drugs were used together: hydrochlorothiazide, losartan, nifedipine, bisoprolol, indapamide, potassium chloride, aspirin, and rosuvastatin. Patients receiving hawthorn concurrently with antihypertensive medications should receive periodic blood pressure monitoring. Brompheniramine; Hydrocodone; Pseudoephedrine: Major Sympathomimetics, such as pseudoephedrine, can antagonize the antihypertensive effects of methyldopa when administered concomitantly. Moderate Patients receiving a diuretic during treatment with fluoxetine may be at greater risk of developing syndrome of inappropriate antidiuretic hormone secretion SIADH.