Dizziness, lightheadedness, or tiredness may occur as your body adjusts to the medication. Dry cough, nausea, or vomiting may also occur. If any of these effects persist or worsen, tell your doctor or pharmacist promptly.Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.Tell your doctor right away if any of these unlikely but serious side effects occur: fainting, symptoms of a high potassium blood level (such as muscle weakness, slow/irregular heartbeat), signs of infection (such as fever, chills, persistent sore throat), change in the amount of urine.This drug may rarely cause serious (possibly fatal) liver problems. Tell your doctor right away if you notice any of the following rare but serious side effects: yellowing eyes/skin, dark urine, severe stomach/abdominal pain, persistent nausea/vomiting.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.In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.