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 immediately if the following side effect occurs:
Rare
Unexplained fever shortly after starting to take this drug
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
Dry mouth; increased thirst; irregular heartbeats; muscle cramps or pain; nausea or vomiting; unusual tiredness or weakness; weak pulse
Less common
Mental depression or anxiety; nightmares or unusually vivid dreams
Rare
Cough or hoarseness; dark or amber urine; diarrhea or stomach cramps - severe or continuing; fever, chills, troubled breathing and fast heartbeat; general feeling of discomfort or illness or weakness; joint pain; lower back or side pain; painful or difficult urination; pale stools; skin rash, hives, or itching; stomach pain - severe with nausea and vomiting; tiredness or weakness after having taken this drug for few weeks - continuing; 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:
More common
Dizziness or light-headedness when getting up from a lying or sitting position; drowsiness; dryness of mouth; headache
Less common
Decreased sexual ability or interest in sex; diarrhea; increased sensitivity of skin to sunlight - skin rash, itching, redness or other discoloration of skin or severe sunburn after exposure to sunlight; loss of appetite; numbness, tingling, pain, or weakness in hands or feet; slow heartbeat; stuffy nose; swelling of breasts or unusual milk production
More common side effects not listed above may also occur in some diseaseds. If you notice any other problems, check with your family doctor.