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Important Note

The following information is intended to supplement, not substitute for, the expertise and judgment of your physician, pharmacist or other healthcare professional. It should not be construed to indicate that use of the drug is safe, appropriate, or effective for you. Consult your healthcare professional before using this drug.




WARNING: Minoxidil may cause serious heart problems or intensify chest pain (angina). Therefore, this medication should be given only to carefully selected patients who have tried other treatments without success. Minoxidil must be given only under close medical supervision. A "water pill" (loop diuretic) and beta-blocker (e.g., propranolol) are usually given when minoxidil is used.


Minoxidil is used to treat hypertension (high blood pressure).

How To Use

Take this medication exactly as prescribed. Try to take it at the same time(s) each day so you remember to take it. It is important to continue taking this medication even if you feel well. Most people with high blood pressure do not feel sick. Do not stop taking this medication without consulting your doctor. Some conditions may become worse when the drug is suddenly stopped. Your dose may need to be gradually decreased.

Side Effects

You may feel tired and run down the first few weeks while taking this medication as your body adjusts to the lower blood pressure. This is normal. Continue taking the medication. If the symptoms persist or become severe, inform your doctor. Dizziness and drowsiness are common especially during the first few weeks of therapy. Notify your doctor if you experience any of the following while taking this medication: chest pain, rapid or increased heart rate, difficulty breathing, fainting, severe indigestion, weight gain of over 5 pounds, unusual swelling (especially of the face/hands/ feet). Minoxidil may cause increased growth or darkening of fine body hairs. If this is bothersome, consult your doctor. When the medication is discontinued, the hair will return to normal within 30 to 60 days. If you notice other effects not listed above, contact your doctor or pharmacist.


Tell your doctor your medical history, especially: heart problems, kidney disease, any allergies. Use caution driving or engaging in activities requiring alertness if this medication makes you dizzy or lightheaded. Minoxidil should be used only when clearly needed during pregnancy. Discuss the risks and benefits with your doctor. Minoxidil is excreted into breast milk. Though there have no reports (to date) of harm to nursing infants, consult your doctor before breast-feeding.

Drug Interactions

Tell your doctor of all prescription and nonprescription drugs you may use, especially: guanethidine (even if you stopped taking it in the last three weeks), "water pills" (diuretics), other medications for high blood pressure. Do not start or stop any medicine without doctor or pharmacist approval.


If overdose is suspected, contact your local poison control center or emergency room immediately. Symptoms of overdose may include lightheadedness, fainting, and a fast pulse.


It is important to have your blood pressure checked regularly while taking this medication. Learn how to monitor your blood pressure. Discuss this with your doctor.

Missed Dose

If you miss a dose, take it as soon as remembered. If not remembered until the next day, skip the missed dose and resume your usual dosing schedule. Do not double the dose to catch up.


Store at room temperature between 68 and 77 degrees F (between 20 and 25 degrees C) away from moisture and sunlight. Do not store in the bathroom. Keep all medicines away from children and pets.

Medical Alert

Your condition can cause complications in a medical emergency. For enrollment information call MedicAlert at 1-800-854-1166 (USA), or 1-800-668-1507 (Canada).