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What is Midamor (Amiloride) prescribed for?

This medication is used with other “water pills”, such as furosemide, thiazide, and diuretics, to treat high blood pressure, heart failure, or extra fluid in the body.  This medicine is also known to treat or prevent low blood potassium levels that are caused by other diuretics. Lowering high blood pressure helps to prevent strokes, heart attacks, and kidney problems.

This medication is known as a “water pill” because it causes your body to get rid of extra salt and water while also preventing the kidneys from getting rid of too much potassium. Technically this medication will make you urinate a bit more to help flush your system out

This is usually the first type of medication your doctor will prescribe for control of your blood pressure. If you have any questions regarding this medication or in general, please consult with your doctor.

This medication is to be taken by mouth, and usually once a day.

If you do take this drug too close to bedtime, you may have to wake up to urinate. Therefore, it is probably best to take this medication at least 4 hours before your bedtime. Remember the dosage given to you is based on your medical condition and your response to the treatment.

Use this medication on a regular basis to gain the most benefit. And keep taking it, even if you feel well, most people do not feel unwell.


Before taking this medication, it is best to advise your doctor if you are allergic; or to any other medications or allergies in general.

Before taking this medication, it is for best to inform your doctor of your Medical history. Especially; untreated salt/mineral imbalance (such as high potassium and low sodium levels), kidney disease, liver disease, diabetes, and loss of too much body water (dehydration).

Significant loss of body water from too much sweating, vomiting, or diarrhea can also lower your blood pressure and worsen dizziness. Drink plenty of fluids to prevent these effects and dehydration. If you are on restricted fluid intake, consult your doctor for further instructions. Contact your doctor if you are unable to drink fluids or if you have persistent diarrhea/vomiting.

 This drug may increase the potassium levels in your blood. Limit foods high in potassium, such as bananas and orange juice. Consult your doctor or pharmacist before using any products containing potassium (such as potassium supplements, salt substitutes).

Side Effects

Some of these side effects may occur when taking this medication; are as follows; Headache, dizziness, nausea, vomiting, loss of appetite, stomach/abdominal pain, gas, or diarrhea may occur. However, if any of these effects persist or worsen, contact your doctor immediately.

When given with other diuretics, amiloride may cause a loss of too much body water (dehydration) and salt/minerals. Tell your doctor right away if you have any of these unlikely but serious symptoms of dehydration or mineral loss: very dry mouth, extreme thirst, muscle cramps, weakness, fast heartbeat, severe dizziness, confusion, fainting, and seizures.

Tell your doctor right away if any of these unlikely but serious side effects occur: signs of kidney problems (such as a change in the amount of urine), yellowing eyes/skin, dark urine, persistent nausea/vomiting.

A very serious allergic reaction to this drug is rare. However, get medical help right away if you notice any symptoms of a serious allergic reaction, including rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, or trouble breathing.


What happens if I suddenly stop taking this medication?

There may be a relapse in symptoms as well as side effects. You should speak to your doctor before stopping taking this medication.


 What is the best dosage to take?

The diagnosis with your doctor will be able to determine the best dosage for your treatment. Work with your doctor closely for dosage and dosing schedules.


 What happens if I miss a dose?

You should take the missed dose as soon as you realize you have forgotten. If the forgotten dose is closer to your next scheduled dose, take the next scheduled dose to avoid overlapping in the dose.


 What is the best way to store this medication?

This medication is stored at room temperature and should be kept away from children and pets. Do not throw away this medication in the wastebasket. If you are uncertain how to dispose of this medication, speak with your pharmacist for help in safely disposing of this medication.

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