Instructions

Drink the medicine.

Measure the dose of liquid medicine carefully. Use the measuring device that comes with the medicine. If you do not have one, please ask your pharmacist for help.

You may take with food to prevent stomach upset.

To relieve dry mouth, chew gum, suck on hard candy/ice chips, drink extra water, or use a saliva substitute.

Keep the medicine at room temperature. Avoid heat and direct light.

Drink plenty of water while on this medicine.

To reduce constipation, eat high fiber foods, drink plenty of water and exercise.

Do not take antacids 2 hours before or 2 hours after taking this medicine.

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.

This medicine may decrease the effectiveness of some birth controls which use hormones (such as birth control pills and patches). Use an extra form of birth control, such as condoms, while on this medicine.

Cautions

This medicine can be habit-forming. If you use this medicine regularly for a long time, it can lead to withdrawal symptoms when you stop. Please use this medicine only as directed.

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

It is very important that you carefully measure the amount of medicine you take. Your healthcare provider or pharmacist should show you the correct way to measure this medicine.

Do not use the medication any more than instructed.

If possible, avoid using with alcohol, marijuana, or other medicines that can cause dizziness or drowsiness. These include allergy/cold products, muscle relaxers, sleep aids, and pain relievers.

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.

Avoid becoming overheated during exercise or other activities. Try to stay cool in hot weather.

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.

Do not take St. John's wort while on this medicine.

Do not share this medicine with anyone who has not been prescribed this medicine.

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.

• agitated feeling or trouble sleeping
• bloating
• constipation
• dizziness
• headaches
• rapid heartbeat
• muscle pain
• nausea and vomiting
• nervousness
• problems with sexual functions or desire
• blurring or changes of vision
• weakness

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

• loss of balance
• change in behavior
• shallow, irregular breathing
• confusion
• feeling of heat or flushing
• fever
• hallucinations (unusual thoughts, seeing or hearing things that are not real)
• fast or irregular heart beats
• shortness of breath
• red, peeling or blistering skin
• slurred speech
• suicidal thoughts
• difficulty or discomfort urinating

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.