Your doctor should check your progress at regular visits if you will be taking this medicine regularly for a long time.
Check with your doctor if your diarrhea does not stop after two days or if you develop a fever.
This medicine will add to the effects of alcohol and other CNS depressants (medicines that slow down the nervous system, possibly causing drowsiness). 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; barbiturates; medicine for seizures; muscle relaxants; or anesthetics, including some dental anesthetics. Check with your doctor before taking any of the above while you are taking this medicine.
If you think you or anyone else may have taken an overdose, get emergency help at once. Taking an overdose of this medicine may lead to unconsciousness and possibly death. Signs or symptoms of overdose include severe drowsiness; shortness of breath or troubled breathing; fast heartbeat; and unusual warmth, dryness, and flushing of the skin.
Before having any kind of surgery (including dental surgery) or emergency treatment, tell the medical doctor or dentist in charge that you are taking this medicine.
This medicine may cause some people to become dizzy, drowsy, or less alert than they are normally. Even if taken at bedtime, it may cause some people to feel drowsy or less alert on arising. 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 are not alert.