August 24, 2016
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Micro-K for Liquid Suspension

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Micro-K for Liquid Suspension

Discontinued Warning IconPlease Note: This Brand Name drug is no longer available in the US.
(Generic versions may still be available.)

Side Effects


One of the most severe adverse effects is hyperkalemia (see CONTRAINDICATIONS, WARNINGS, and OVERDOSAGE).

Gastrointestinal bleeding and ulceration have been reported in patients treated with microencapsulated KCl (see WARNINGS).

In addition to bleeding and ulceration, perforation and obstruction have been reported in patients treated with solid KCl dosage forms, and may occur with Micro-K LS.

The most common adverse reactions to the oral potassium salts are nausea, vomiting, flatulence, abdominal pain/discomfort, and diarrhea. These symptoms are due to the irritation of the gastrointestinal tract and are best managed by taking the dose with meals, or reducing the amount taken at one time.

Skin rash has been reported rarely with potassium preparations.

In a controlled clinical study, Micro-K LS was associated with an increased frequency of gastrointestinal intolerance (e.g., diarrhea, loose stools, abdominal pain, etc.) compared to equal doses (100 mEq/day) of Micro-K Extencaps (see WARNINGS, Diarrhea or Dehydration). This finding was attributed to an inactive ingredient used in the Micro-K LS formulation that is not present in the Micro-K Extencaps formulation.

Read the Micro-K for Liquid Suspension (potassium chloride extended release formulation for liquid suspension) Side Effects Center for a complete guide to possible side effects


Potassium-sparing diuretics, angiotensin converting enzyme inhibitors: see WARNINGS.

This monograph has been modified to include the generic and brand name in many instances.

Last reviewed on RxList: 12/26/2005

Side Effects

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