• Electrolyte disturbances

Effer-k Generic Name & Formulations

General Description

Potassium (as bicarbonate and citrate) 10mEq, 20mEq, 25mEq; effervescent tabs for soln; unflavored, cherry vanilla, orange cream, lemon citrus, cherry berry flavors.

Pharmacological Class


How Supplied

Tabs 10mEq, 20mEq—30; 25mEq—30, 100 (orange-flavored)


Effer-k Indications


Hypokalemia with or without metabolic alkalosis. Digitalis intoxication. Hypokalemic familial periodic paralysis. Prevention of potassium depletion when dietary intake is inadequate.

Effer-k Dosage and Administration


Take with food or immediately after a meal; sip slowly over 5–10 mins. 1 tab 1–4 times daily, based on patient requirement. Dissolve each 10mEq tab in 2–3oz of cold water or juice (if unflavored); dissolve each 20mEq tab in 3–4oz of cold water or juice (if unflavored); dissolve each 25mEq tab in 4oz of cold water or 12–16oz of cold juice (if unflavored).


Not established.

Effer-k Contraindications


Hyperkalemia. Chronic renal disease. Metabolic acidosis. Uncontrolled diabetes mellitus. Esophageal compression. Delayed gastric emptying. Intestinal obstruction/stricture. Peptic ulcer. Concomitant potassium-sparing diuretics (eg, spironolactone, triamterene).

Effer-k Boxed Warnings

Not Applicable

Effer-k Warnings/Precautions


Discontinue if GI bleed, ulceration, or other disturbances occur. Acidosis. Renal or cardiac disease. Monitor serum potassium and magnesium levels, renal function, clinical status, acid-base balance, and ECG. Elderly. Pregnancy (Cat.C). Nursing mothers.

Effer-k Pharmacokinetics

See Literature

Effer-k Interactions


Hyperkalemia with potassium-sparing diuretics, ACE inhibitors, NSAIDs, beta-adrenergic blockers, heparin, low-salt foods, potassium-containing drugs, digitalis glycosides, others.

Effer-k Adverse Reactions

Adverse Reactions

Hyperkalemia, nausea, vomiting, abdominal discomfort, diarrhea.

Effer-k Clinical Trials

See Literature

Effer-k Note

Not Applicable

Effer-k Patient Counseling

See Literature