Precautions

Drug information provided by: Merative, Micromedex®

It is very important that your doctor check your or your child's progress while you are using this medicine. This will allow your doctor to see if the medicine is working properly and to decide if you should continue to take it. Blood tests may be needed to check for unwanted effects.

You or your child will also need to have your blood pressure and heart rate checked before starting this medicine and while you are using it. If you notice any change in your blood pressure, call your doctor right away. If you have questions about this, talk to your doctor.

This medicine may cause bradycardia (slow heartbeat). Check with your doctor right away if you have chest pain or discomfort, lightheadedness, dizziness or fainting, irregular heartbeat, trouble breathing, or unusual tiredness.

Dizziness, lightheadedness, or fainting may occur after you take this medicine, especially when you get up suddenly from a lying or sitting position. Getting up slowly may help, but if the problem continues or gets worse, check with your doctor.

This medicine may make you sleepy and tired. Do not drive or do anything else that could be dangerous until you know how this medicine affects you.

Do not suddenly stop using it without first checking with your doctor. Stopping treatment completely may cause hypertension (high blood pressure). Check with your doctor if you have blurred vision, dizziness, nervousness, headache, pounding in the ears, or slow or fast heartbeat. It may also cause withdrawal side effects (eg, anxiety, chest tightness, headache, increased heart rate, nausea, flushing or warm feeling, lightheadedness, or nervousness).

Do not become dehydrated or too hot to decrease your chance of passing out during treatment with this medicine.

This medicine may cause serious allergic reactions, including angioedema, which can be life-threatening and require immediate medical attention. Check with your doctor right away if you have hives, itching, skin rash or large, hive-like swelling on the face, eyelids, lips, tongue, throat, hands, legs, feet, or genitals.

This medicine will add to the effects of alcohol and other CNS depressants (medicines that can make you drowsy or less alert). CNS depressants are medicines that slow down the nervous system, which may cause drowsiness or make you less alert. Some examples of CNS depressants are antihistamines or medicine for hay fever, allergies, or colds, sedatives, tranquilizers, or sleeping medicine, other prescription pain medicine or narcotics, medicine for seizures or barbiturates, muscle relaxants, or anesthetics (numbing medicines), including some dental anesthetics. This effect may last for a few days after you stop using this medicine. Check with your doctor before taking any of the other medicines listed above while you are using this medicine.

Using too much of this medicine may cause infertility (unable to have children). Talk with your doctor before using this medicine if you plan to have children.

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.