Generic Name and Formulations:
Midodrine HCl 2.5mg, 5mg, 10mg; scored tabs.
Various generic manufacturers
Indications for Midodrine:
Symptomatic orthostatic hypotension.
Take during the day while upright; allow at least 4 hours between last dose and bedtime. 10mg 3 times daily at 3–4 hour intervals. Renal dysfunction: initially 2.5mg 3 times daily. Discontinue if no improvement after initial therapy.
Severe heart disease. Acute renal disease. Urinary retention. Pheochromocytoma. Thyrotoxicosis. Persistent, excessive supine hypertension.
Initial supine systolic pressure >180mmHg: not recommended. Monitor supine and sitting BP. Discontinue if supine hypertension occurs. Diabetes. Renal or hepatic impairment. Pregnancy (Cat.C). Nursing mothers.
Avoid concomitant drugs that increase BP (eg, phenylephrine, pseudoephedrine, ephedrine, dihydroergotamine, thyroid hormones, droxidopa); if unavoidable, monitor BP closely. Avoid concomitant MAO inhibitors or linezolid. Potentiated by sodium-retaining steroids (eg, fludrocortisone acetate); caution in increased intraocular pressure with fludrocortisone. Antagonized by α-antagonists (eg, prazosin, terazosin, doxazosin). Levels may be affected by renally-excreted alkaline drugs (eg, metformin, cimetidine, ranitidine, procainamide, triamterene, flecainide, quinidine). Cardiac glycosides, β-blockers, CNS drugs may cause bradycardia, AV block, arrhythmias; discontinue if bradycardia occurs.
Paresthesia, piloerection, dysuria, pruritus, supine hypertension, chills, pain, rash.
Formerly known under the brand name Proamatine.