It is very important that your doctor check your progress at regular visits to make sure this medicine is working properly. Blood tests may be needed to check for unwanted effects.
Using this medicine while you are pregnant can harm your unborn baby. If you think you have become pregnant while using this medicine, tell your doctor right away.
This medicine may cause serious allergic reactions including anaphylaxis. Anaphylaxis can be life-threatening and requires immediate medical attention. Call your doctor right away if you have a rash; itching; hoarseness; trouble breathing; trouble swallowing; or any swelling of your hands, face, lips, tongue, or throat while you are using this medicine.
Stop using this medicine and call your doctor right away if you have swelling of the face, arms, legs, eyes, lips, or tongue, or problems with swallowing or breathing. These are symptoms of a condition called angioedema.
Stop using this medicine and check with your doctor right away if you have strong stomach pain (with or without nausea or vomiting). This could be a symptom of a condition called intestinal angioedema.
Dizziness, lightheadedness, or fainting may occur after the first dose, especially if you have been taking a diuretic (water pill). Make sure you know how you react to this medicine before you drive, use machines, or do other things that could be dangerous if you are dizzy or not alert.
Dizziness, lightheadedness, or fainting may also occur if you exercise or if the weather is hot. Heavy sweating can cause loss of too much water and result in low blood pressure. Use extra care during exercise or hot weather.
Tell your doctor immediately if you have any signs of chills, sore throat, or fever. These may be symptoms of an infection resulting from low white blood cells.
If your symptoms do not improve within a few days or if they become worse, check with your doctor.
Check with your doctor if you become sick while taking this medicine, especially with severe or continuing nausea, vomiting, or diarrhea. These conditions may cause you to lose too much water, possibly resulting in low blood pressure.
Liver problems may occur while you are using this medicine. Stop using this medicine and check with your doctor right away if you are having more than one of these symptoms: abdominal pain or tenderness; clay-colored stools; dark urine; decreased appetite; fever; headache; itching; loss of appetite; nausea and vomiting; skin rash; swelling of the feet or lower legs; unusual tiredness or weakness; or yellow eyes or skin.
Hyperkalemia (high potassium in the blood) may occur while you are using this medicine. Check with your doctor right away if you have the following symptoms: abdominal or stomach pain; confusion; difficulty with breathing; irregular heartbeat; nausea or vomiting; nervousness; numbness or tingling in the hands, feet, or lips; shortness of breath; or weakness or heaviness of the legs.
This medicine may increase the amount of potassium in your blood. Do not use salt substitutes containing potassium without first checking with your doctor.
Make sure any doctor or dentist who treats you knows that you are using this medicine. You may need to stop using this medicine several days before having surgery or medical tests.
Do not take other medicines unless they have been discussed with your doctor. This includes prescription or nonprescription (over-the-counter [OTC]) medicines and herbal or vitamin supplements.