Precautions

Drug information provided by: Merative, Micromedex®

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

Do not use this medicine if you are also using similar medicines including benzphetamine, mazindol, phendimetrazine, phentermine, Bontril®, or Didrex®. Do not use this medicine if you have used an MAO inhibitor (MAOI) such as isocarboxazid (Marplan®), linezolid (Zyvox®), phenelzine (Nardil®), selegiline (Eldepryl®), tranylcypromine (Parnate®) within the past 14 days.

This medicine may be habit-forming. If you think this medicine is not working properly after you have taken it for a few weeks, do not increase the dose. Instead, check with your doctor.

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 (Redux®), fenfluramine (Fintepla®)). 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.

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 some people to become dizzy, lightheaded, or less alert than they are normally. Do not drive or do anything else that could be dangerous until you know how this medicine affects you.

This medicine may increase the risk of seizures. Check with your doctor right away if you have loss of bladder control, muscle spasm or jerking of extremities, or sudden loss of consciousness.

This medicine will add to the effects of alcohol and other CNS depressants (medicines that make you drowsy or less alert). Some examples of CNS depressants are antihistamines or medicine for hay fever, other allergies, or colds, sedatives, tranquilizers, or sleeping medicine, prescription pain medicine or narcotics, medicine for seizures (including barbiturates), muscle relaxants, or anesthetics, including some dental anesthetics. Check with your medical doctor or dentist before taking any of the above while you are taking this medicine.

Symptoms of an overdose include: dilated or enlarged pupils, confusion, panic, restlessness, seeing, hearing, or feeling things that are not there, trembling or shaking in the legs, arms, hands, or feet.

Do not take other medicines unless they have been discussed with your doctor. This includes prescription and nonprescription (over-the-counter) medicines, dietary supplements, herbal remedies, or medicines for appetite control, asthma, colds, cough, hay fever, and sinus problems.