Precautions

Drug information provided by: Merative, Micromedex®

It is very important that your doctor check your or your child's progress at regular visits to make sure that 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 are a woman who can get pregnant, your doctor may do tests to make sure you are not pregnant before receiving this medicine. Use an effective form of birth control to keep from getting pregnant during treatment with this medicine and for 3 weeks after the last dose. If you think you have become pregnant while receiving this medicine, tell your doctor right away.

Do not use this medicine together with dextromethorphan (Robitussin®).

This medicine can cause a change in heart rhythm called QT prolongation. This condition may change the way your heart beats (faster or slower) and can cause chest pain, dizziness, fainting, or trouble breathing. Call your doctor right away if you have any of these symptoms, or any questions.

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 (eg, goldenseal, St. John's wort) or vitamin supplements.