Precautions While Using This Medicine

Transmucosal fentanyl contains a medicine in an amount which can be fatal to a child . Patients and their caregivers should keep transmucosal fentanyl out of the reach of children and discard open units properly.

Check with your health care professional at regular times while using fentanyl. Be sure to report any side effects.

Transmucosal fentanyl comes with patient instructions. Read them carefully before using the product.

This medicine will add to the effects of alcohol and other CNS depressants (medicines that can 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; other prescription pain medicine or narcotics; barbiturates; medicine for seizures; muscle relaxants; or anesthetics, including some dental anesthetics. Check with your health care professional before taking any of the other medicines listed above while you are using this medicine .

Transmucosal fentanyl may cause some people to become drowsy, dizzy, or lightheaded, or to feel a false sense of well-being. Make sure you know how you react to this medicine before you drive, use machines, or do anything else that could be dangerous if you are dizzy or not alert and clearheaded . These effects usually go away after a few days of treatment, when your body gets used to the medicine. However, check with your health care professional if drowsiness that is severe enough to interfere with your activities continues for more than a few days .

Dizziness, lightheadedness, or even fainting may occur when you get up suddenly from a lying or sitting position. Getting up slowly may help lessen this problem. Also, lying down for a while may relieve dizziness or lightheadedness.

Using narcotics for a long time can cause severe constipation. To prevent this, your health care professional may direct you to take laxatives, drink a lot of fluids, or increase the amount of fiber in your diet. Be sure to follow the directions carefully, because continuing constipation can lead to more serious problems.

Before having any kind of surgery (including dental surgery) or emergency treatment, tell the medical doctor or dentist in charge that you are using this medicine . Serious side effects can occur if your medical doctor or dentist gives you certain other medicines without knowing that you are using transmucosal fentanyl.

If you have been using this medicine regularly for several weeks or more, do not suddenly stop using it without first checking with your health care professional . You may be directed to reduce gradually the amount you are using before stopping treatment completely to lessen the chance of withdrawal side effects.

Using too much transmucosal fentanyl, or taking too much of another narcotic while using transmucosal fentanyl, may cause an overdose. If this occurs, get emergency help right away . An overdose can cause severe breathing problems (breathing may even stop), unconsciousness, and death. Serious signs of an overdose include very slow breathing (fewer than 8 breaths a minute) and drowsiness that is so severe that you are not able to answer when spoken to or, if asleep, cannot be awakened. Other signs of an overdose may include cold, clammy skin; low blood pressure; pinpoint pupils of eyes; and slow heartbeat. It may be best to have a family member or a friend check on you several times a day when you start using a narcotic regularly, and whenever your dose is increased , so that he or she can get help for you if you cannot do so yourself.