Slow-K Side Effects

Generic name: potassium chloride

Medically reviewed by Drugs.com. Last updated on Jan 5, 2024.

Note: This document provides detailed information about Slow-K.

For healthcare professionals

Applies to potassium chloride: compounding powder, intravenous solution, oral capsule extended release, oral granule extended release, oral liquid, oral powder for reconstitution, oral tablet, oral tablet extended release Side Effects associated with potassium chloride. Some dosage forms listed on this page may not apply specifically to the brand name Slow-K.

For healthcare professionals

Applies to potassium chloride: compounding powder, intravenous solution, oral capsule extended release, oral granule extended release, oral liquid, oral powder for reconstitution, oral tablet, oral tablet extended release.

Metabolic adverse events

• Frequency not reported: Hyperkalemia (including cardiac arrest as a manifestation), hypervolemia, hyponatremia and hyponatremic encephalopathy, hypokalemia^[Ref]

Hyperkalemia can cause muscle weakness, paresthesia of the extremities, listlessness, mental confusion, flaccid paralysis, cold skin, grey pallor, peripheral vascular collapse, fall in blood pressure, paralysis, cardiac arrhythmias, and heart block. Electrocardiogram abnormalities include disappearance of the P-wave, widening and slurring of QRS complex, changes of the S-T segment, tall peaked T-waves. At extremely high concentrations (8 to 11 mmol/L) may cause death from cardiac depression, arrhythmias, or arrest.^[Ref]

Gastrointestinal

• Frequency not reported: Nausea, vomiting, flatulence, abdominal pain/discomfort, diarrhea, obstruction, bleeding, ulceration, perforation, gastrointestinal hemorrhage, local irritation of the mucosa
• Postmarketing reports: Delayed intestinal transit^[Ref]

Local

• Frequency not reported: Injection site pain, injection site phlebitis, infection at injection site, venous thrombosis extending from site of injection, extravasation^[Ref]

Cardiovascular

• Frequency not reported: Cardiac arrhythmias, cardiac arrest^[Ref]

Dermatologic

• Rare (less than 0.1%): Skin rash
• Frequency not reported: Urticaria, pruritus^[Ref]

Other

• Frequency not reported: Febrile response^[Ref]

Frequently asked questions

• Can you eat bananas when taking losartan?

Further information

Slow-K side effects can vary depending on the individual. Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

Some side effects may not be reported. You may report them to the FDA.

Medical Disclaimer