Precautions

Drug information provided by: IBM Micromedex

It is very important that your doctor check your progress at regular visits, especially during the first few weeks that you take this medicine. Blood tests may be needed to check for unwanted effects.

You should not use this medicine if you are also using efavirenz, itraconazole, or rifampicin.

This medicine may cause hyperkalemia (high potassium in the blood). Check with your doctor right away if you have confusion, irregular heartbeat, nausea or vomiting, nervousness, numbness or tingling in the hands, feet, or lips, stomach pain, trouble breathing, or weakness or heaviness of the legs.

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 (eg, potassium supplements).