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Medications and Drugs

Brand Names: Midamor

Generic Name: amiloride (Pronunciation: a MIL o ride)

What is amiloride (Midamor)?

Amiloride is a potassium-sparing diuretic (water pill) that prevents your body from absorbing too much salt and keeps your potassium levels from getting too low.

Amiloride is used to treat or prevent hypokalemia (low potassium levels in the blood).

Amiloride may also be used for other purposes not listed in this medication guide.

Amiloride 5 mg-PAR

round, yellow, imprinted with par 117

What are the possible side effects of amiloride (Midamor)?

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Stop using this medication and call your doctor at once if you have any of these serious side effects:

  • numbness or tingly feeling;
  • muscle pain or weakness;
  • slow, fast, or uneven heartbeat;
  • feeling drowsy, restless, or light-headed;
  • urinating less than usual or not at all;
  • dry mouth, increased thirst, tiredness, nausea, vomiting;
  • shallow breathing;
  • tremors, confusion; or
  • nausea, stomach pain, low fever, loss of appetite, dark urine, clay-colored stools, jaundice (yellowing of the skin or eyes).

Less serious side effects may include:

  • headache;
  • mild nausea, loss of appetite;
  • gas, stomach pain; or
  • skin rash.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

What is the most important information I should know about amiloride (Midamor)?

Do not use this medication if you have kidney disease, urination problems, or high levels of potassium in your blood. Do not use potassium supplements or other diuretics while you are taking amiloride.

Before using this medication, tell your doctor if you have heart or liver disease, or a breathing disorder.

Avoid drinking alcohol, which can increase some of the side effects of amiloride.

Avoid a diet high in salt. Too much salt will cause your body to retain water and can make this medication less effective.

Do not use salt substitutes or low-sodium milk products that contain potassium. These products could cause your potassium levels to get too high while you are taking amiloride.

Avoid becoming overheated or dehydrated during exercise and in hot weather. Follow your doctor's instructions about the type and amount of liquids you should drink. In some cases, drinking too much liquid can be as unsafe as not drinking enough.



Report Problems to the Food and Drug Administration

You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.

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