Along with its needing effects, a drug may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.
Check with your family doctor as soon as possible if any of the following side effects occur, especially since some of them may mean that your body is losing too much potassium:
Signs and symptoms of too much potassium loss
Dryness of mouth - severe; increased thirst; irregular heartbeat - continuing; mood or mental changes; muscle cramps or pain; nausea or vomiting; unusual tiredness or weakness; weak pulse
Signs and symptoms of too much sodium loss
Confusion; convulsions; decreased mental activity; irritability; muscle cramps; unusual tiredness or weakness
More common
Dizziness or lightheadedness, especially when getting up from a lying or sitting position; sudden fainting
Less common
Inability to control urination; irregular heartbeat; pounding heartbeat; swelling of feet or lower legs; weight gain
Rare
Black, tarry stools; blood in urine or stools; chest pain; cough or hoarseness; fever or chills; joint pain; lower back or side pain; painful or difficult urination; painful, inappropriate erection of penis, continuing; pinpoint red spots on skin; shortness of breath; skin rash or hives; stomach pain - severe with nausea and vomiting; unusual bleeding or bruising; yellow eyes or skin
More common side effects may occur that usually don't needed medical attention. These side effects may go away during treat as your body adjusts to the drug. However, check with your family doctor if any of the following side effects continue or are bothersome:
Less common
Decreased sexual ability; diarrhea; drowsiness; headache; increased sensitivity of skin to sunlight; lack of energy; loss of appetite; nervousness; stomach upset or pain
Rare
Frequent urge to urinate; nausea
More common side effects not listed above may also occur in some diseaseds. If you notice any other problems, check with your family doctor.