Precautions

Drug information provided by: IBM Micromedex

It is very important that your doctor check your progress at regular visits to make sure the medicine is working properly. Blood and blood pressure tests may be needed to check for unwanted effects.

Using this medicine while you are pregnant can harm your unborn baby. Use an effective form of birth control to keep from getting pregnant during treatment with this medicine. If you think you have become pregnant while using the medicine, tell your doctor right away.

If you will be taking this medicine for a long time, do not stop taking it without first checking with your doctor. Your doctor may want you to gradually reduce the amount you are taking before stopping completely.

This medicine may cause pulmonary hypertension (increased blood pressure in the lungs). Serious heart or blood vessel problems (eg, valvular heart disease) may also occur if you take more of it, if you take it for a longer time, or if you are taking other medicine that reduces appetite (eg, dexfenfluramine, fenfluramine). Check with your doctor right away if you have chest pain, decreased ability to exercise, fainting, swelling of the feet or lower legs, or trouble breathing.

Do not use this medicine if you are taking or if you took other medicine that reduces appetite within the past year.

You should not use this medicine if you have used an MAO inhibitor (MAOI) within the past 14 days or if you are also taking any other stimulants.

Unusual changes in behavior or moods may occur during treatment with this medicine together with a special diet plan that will help you lose weight. Tell your doctor right away if you or your family notice an increase in aggression, hostility, agitation, or irritability. Tell your doctor if you have hallucinations or any unusual thoughts, especially if they are new or getting worse quickly.

This medicine may cause some people to become dizzy or drowsy. Do not drive or do anything else that could be dangerous until you know how this medicine affects you.

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.