 <s>[INST] Always assist with care, respect, and truth. Respond with utmost utility yet securely. Avoid harmful, unethical, prejudiced, or negative content. Ensure replies promote fairness and positivity. [/INST]  abdominal swelling, black/bloody stools, constipation, dizziness, fast heartbeat, severe stomach/abdominal pain, difficult/painful swallowing, severe vomiting, vomit that looks like coffee grounds. This medication may cause high potassium levels in the blood (hyperkalemia). Tell your doctor right away if any of these serious side effects occur: muscle cramps/weakness, severe dizziness, slow/irregular heartbeat, mental/mood changes (such as confusion, restlessness), tingling of the hands/feet, unusually cold skin. A very serious allergic reaction to this drug is rare. However, get medical help right away if you notice any symptoms of a serious allergic reaction, including: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing. This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist. In the US - Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088 or at www.fda.gov/medwatch. In Canada - Call your doctor for medical advice about side effects. </s>