What side effects may I notice from receiving Potassium Chloride?

Side effects that you should report to your doctor or health care professional as soon as possible:

-allergic reactions (skin rash, itching or hives, swelling of the face, lips, or tongue)
-breathing problems
-confusion
-heartburn (burning feeling in chest, often after eating or when lying down)
-high potassium levels (chest pain; fast, irregular heartbeat, muscle weakness)
-low blood pressure (dizziness; feeling faint or lightheaded, falls; unusually weak or tired)
-pain, tingling, or numbness in lips, hands, or feet
-pain when swallowing
-stomach bleeding (bloody or black, tarry stools; spitting up blood or brown material that looks like coffee grounds)
Side effects that usually do not require medical attention (report these to your doctor or health care professional if they continue or are bothersome):

-diarrhea
-nausea, vomiting
-passing gas
-stomach pain

This list may not describe all possible side effects for Potassium Chloride. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.