K-Dur 20 Side Effects
Generic Name: potassium chloride
Note: This page contains information about the side effects of potassium chloride. Some of the dosage forms included on this document may not apply to the brand name K-Dur 20.
For the Consumer
Applies to potassium chloride: controlled-release tablets, extended-release capsules, extended-release tablets, microencapsulated
Check with your doctor if any of these most COMMON side effects persist or become bothersome:
Seek medical attention right away if any of these SEVERE side effects occur while taking potassium chloride (the active ingredient contained in K-Dur 20)
Diarrhea; gas; nausea; stomach discomfort; vomiting.
Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); black, tarry stools; chest pain; irregular heartbeat; listlessness; numbness or tingling in your skin, lips, hands, or feet; severe nausea or vomiting; stomach pain or swelling; unusual confusion or anxiety; unusual muscle weakness or paralysis; vomit that looks like coffee grounds; weak or heavy legs.
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
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]
Frequency not reported: Hyperkalemia, hypervolemia[Ref]
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]
Frequency not reported: Injection site pain, injection site phlebitis, infection at injection site, venous thrombosis extending from site of injection, extravasation[Ref]
Frequency not reported: Cardiac arrhythmias, cardiac arrest[Ref]
Rare (less than 0.1%): Skin rash
Frequency not reported: Urticaria, pruritus[Ref]
Frequency not reported: Febrile response[Ref]
1. Cerner Multum, Inc. "UK Summary of Product Characteristics." O 0
2. Cerner Multum, Inc. "Australian Product Information." O 0
3. "Product Information. Potassium Chloride (potassium chloride)." Baxter I.V. Systems Division, Round Lake, IL.
4. "Product Information. Klor-Con M10 (potassium chloride)." Upsher-Smith Laboratories Inc, Minneapolis, MN.
Not all side effects for K-Dur 20 may be reported. You should always consult a doctor or healthcare professional for medical advice. Side effects can be reported to the FDA here.
More about K-Dur 20 (potassium chloride)
- Side Effects
- During Pregnancy
- Dosage Information
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- Support Group
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- Drug class: minerals and electrolytes
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