Instructions

This medicine is given as an injection.

Drug interactions can change how medicines work or increase risk for side effects. Tell your health care providers about all medicines taken. Include prescription and over-the-counter medicines, vitamins, and herbal medicines. Speak with your doctor or pharmacist before starting or stopping any medicine.

Cautions

Though it helps many people, this medicine may sometimes cause addiction, especially if it is used for a long time. This risk for addiction may be higher if you have a substance use disorder - such as overuse of or addiction to drugs or alcohol. Speak with your doctor about the benefits and risks of using this medicine.

If you stop this medicine suddenly, after using it regularly for a long time, you may have withdrawal symptoms. Your doctor may ask you to slowly reduce your dose before stopping it. Tell your doctor right away if you notice any symptoms of withdrawal. Withdrawal symptoms can include headaches, restlessness, hallucinations, confusion, depression, nausea, or seizures.

Tell your doctor and pharmacist if you ever had an allergic reaction to a medicine.

Some patients taking this medicine have experienced serious side effects. Please speak with your doctor to understand the risks and benefits associated with this medicine.

Your ability to stay alert or to react quickly may be impaired by this medicine. Do not drive or operate machinery until you know how this medicine will affect you.

Do not drink beverages with alcohol while on this medicine.

Call the doctor if there are any signs of confusion or unusual changes in behavior.

This medicine passes into breast milk. Ask your doctor before breastfeeding.

This medicine can hurt a new baby in the womb. If you become pregnant while on this medicine, tell your doctor immediately. Your doctor may switch you to a different medicine.

Use medicine with caution if you have breathing problems. Get help right away for slow or shallow breathing.

Side Effects

The following is a list of some common side effects from this medicine. Please speak with your doctor about what you should do if you experience these or other side effects.

• dizziness or drowsiness
• pain, redness, swelling near injection
• nausea and vomiting

Call your doctor or get medical help right away if you notice any of these more serious side effects:

• agitated feeling or trouble sleeping
• loss of balance
• shallow, irregular breathing
• confusion
• fainting
• fast, irregular, or slow heartbeat
• memory problems or loss
• muscle aches, spasms or abnormal movements
• shortness of breath
• blurring or changes of vision

A few people may have an allergic reaction to this medicine. Symptoms can include difficulty breathing, skin rash, itching, swelling, or severe dizziness. If you notice any of these symptoms, seek medical help quickly.