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This medication is used for certain patients who have symptoms of low blood pressure when standing. This condition is also known as orthostatic hypotension. Midodrine is used in people whose daily activities are severely affected by this condition, even after other treatments are used (e.g., support stockings). It is known as a sympathomimetic (alpha receptor agonist) that acts on the blood vessels to raise blood pressure.
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| Overview |
Photos |
How To Use |
Side Effects |
Precautions |
Missed Dose |
Drug Interactions |
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Midodrine
Uses
This medication is used for certain patients who have symptoms of low blood pressure when standing. This condition is also known as orthostatic hypotension. Midodrine is used in people whose daily activities are severely affected by this condition, even after other treatments are used (e.g., support stockings). It is known as a sympathomimetic (alpha receptor agonist) that acts on the blood vessels to raise blood pressure.
Notes
- Do not share this medication with others.Blood pressure checks (lying, sitting, and standing) should be routinely taken.
- Share the results with your doctor.
- (See also Side Effects section.)You may lessen high blood pressure while lying down by sleeping with the head of the bed lifted up.Laboratory and/or medical tests (e.g., kidney function, liver function) should be performed periodically to monitor your progress or check for side effects.
- Consult your doctor for more details.
Storage
- Store at room temperature at 77 degrees F (25 degrees C) away from light and moisture.
- Brief storage between 59 and 86 degrees F (15 and 30 degrees C) is permitted.
- Do not store in the bathroom.
- Keep all medicines away from children and pets.
Overdose
- Symptoms of overdose may include "goose bumps," difficulty urinating, feeling cold.
How To Use
- Take this medication by mouth with or without food, usually 3 times daily with at least 4 hours between doses or as directed by your doctor.
- Follow all your doctor's instructions carefully.
- This drug is taken during daytime hours, when people stand most often.
- This medicine should not be taken after the evening meal or less than 4 hours before bedtime.
- Taking your dose is not recommended if you plan to lie down for a long time afterward (e.g., taking a nap).Dosage is based on your medical condition and response to treatment.
- Usually, your doctor will start you at a low dose and gradually increase your dose in order to reduce side effects.
- Do not increase your dose or take it more frequently than prescribed.Use this medication regularly to get the most benefit from it.
- To help you remember, take it at the same times each day.Tell your doctor if your condition persists or worsens.
- This drug should be continued only in those people whose symptoms improve during treatment.
Side Effects
- Skin tingling, chills, "goose bumps," stomach pain, or urinary problems (strong/frequent urge to urinate, frequent urination, trouble urinating) may occur.
- Less common side effects include dry mouth, dizziness, drowsiness, trouble sleeping, or leg cramps.
- If any of these effects persist or worsen, tell your doctor or pharmacist promptly.Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects.
- Many people using this medication do not have serious side effects.This medication can cause your blood pressure to increase, especially when you are lying down (supine hypertension).
- Stop taking midodrine and contact your doctor immediately if you experience the following signs of supine hypertension: pounding heartbeat, pounding in the ears, headache, blurred vision.Tell your doctor immediately if any of these unlikely but serious side effects occur: slow heartbeat, unusual feeling in the chest, fainting, pressure/fullness in the head, confusion, anxiety, weakness, vision problems.A very serious allergic reaction to this drug is rare.
- However, seek immediate medical attention if you notice any symptoms of a serious allergic reaction, including: rash, itching, swelling, severe dizziness, trouble breathing.If you notice other effects not listed above, contact your doctor or pharmacist.
Precautions
- Before taking midodrine, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies.This medication should not be used if you have certain medical conditions.
- Before using this medicine, consult your doctor or pharmacist if you have: high blood pressure, pheochromocytoma, thyroid disease (severe hyperthyroidism), severe difficulty urinating (urinary retention).Before using this drug, tell your doctor your entire medical history, including: heart disease, liver disease, kidney disease, diabetes.Get up slowly to reduce dizziness when rising from a sitting or lying position.
- Also, limit your intake of alcoholic beverages, which will worsen this effect.This drug may rarely make you dizzy or drowsy or cause blurred vision.
- Use caution while driving, using machinery, or doing any activity that requires alertness or clear vision.During pregnancy, this medication should be used only when clearly needed.
- Discuss the risks and benefits with your doctor.It is not known whether this drug passes into breast milk.
- Because this medication could have undesirable effects on a nursing infant, breast-feeding while using this drug is not recommended.
- Consult your doctor before breast-feeding.
Missed Dose
- If you miss a dose, take it as soon as you remember.
- If it is near the time of the next dose, skip the missed dose and resume your usual dosing schedule.
- Do not double the dose to catch up.
Drug Interactions
- Your doctor or pharmacist may already be aware of any possible drug interactions and may be monitoring you for them.
- Do not start, stop, or change the dosage of any medicine before checking with your doctor or pharmacist first.Avoid taking MAO inhibitors (e.g., furazolidone, isocarboxazid, linezolid, moclobemide, phenelzine, procarbazine, rasagiline, selegiline, tranylcypromine) within 2 weeks before or after treatment with this medication.
- In some cases, a serious (possibly fatal) drug interaction may occur.Before using this medication, tell your doctor or pharmacist of all prescription and nonprescription/herbal products you may use, especially of: adrenaline-like drugs (e.g., ephedrine, phenylephrine, pseudoephedrine), alpha blockers (e.g., doxazosin, prazosin, terazosin), beta-blockers (e.g., atenolol, metoprolol), digoxin, ergot alkaloids (e.g., dihydroergotamine, ergotamine), drugs to control high blood pressure, psychiatric medications (especially certain antidepressants and antipsychotic drugs).If you are also taking fludrocortisone for low blood pressure when standing, be sure to regularly monitor your blood pressure, especially when you are lying down.
- You will be at a greater risk for developing supine hypertension while using these 2 drugs together.
- (See also Side Effects section.)Check the labels on all your medicines (e.g., cough-and-cold products, diet aids) because they may contain ingredients that could increase your blood pressure.
- Ask your pharmacist about using those products safely.
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CONDITIONS OF USE: The information in this database is intended to supplement, not substitute for, the expertise and judgement of healthcare professionals. The information is not intended to cover all possible uses, directions, precautions, drug interactions or adverse effects, nor should it be construed to indicate that use of a particular drug is safe, appropriate or effective for you or anyone else. A healthcare professional should be consulted before taking any drug, changing any diet or commencing or discontinuing any course of treatment.
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