It is very important that your doctor check your progress at regular visits to make sure this medicine is working properly and to check for unwanted effects .
If you think you need to take zaleplon for more than 7 to 10 days, be sure to discuss it with your doctor. Insomnia that lasts longer than this may be a sign of another medical problem.
This medicine will add to the effects of alcohol and other central nervous system (CNS) depressants (medicines that cause drowsiness). Some examples of CNS depressants are antihistamines or medicine for hay fever, other allergies or colds: sedatives, tranquilizers, or sleeping medicines; 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 using this medicine.
This medicine may cause some people, especially older persons, to become drowsy, dizzy, lightheaded, clumsy or unsteady, or less alert than they are normally. Even though zaleplon is taken at bedtime, it may cause some people to feel drowsy or less alert on arising. Make sure you know how you react to zaleplon before you drive, use machines, or do anything else that could be dangerous if you are dizzy, unsteady, or are not alert or able to see well.
If you develop any unusual and strange thoughts or behavior while taking zaleplon, be sure to discuss it with your doctor. Some changes that have occurred in people taking this medicine are like those seen in people who drink alcohol and then act in a manner that is not normal. Other changes may be more unusual and extreme, such as confusion, hallucinations (seeing, hearing, smelling, or feeling things that are not there), and unusual excitement, nervousness, or irritability.
This medicine may cause sleep-related behaviors such as driving a car (sleep-driving), walking (sleep-walking), having sex, making phone calls, or preparing and eating food while asleep or not fully awake. If these reactions occur, tell your doctor right away .
If you will be taking zaleplon for a long time, do not stop taking it without first checking with your doctor. Your doctor may want you to reduce gradually the amount you are taking before stopping completely. Stopping this medicine suddenly may cause withdrawal side effects.
After taking zaleplon for insomnia, you may have difficulty sleeping (rebound insomnia) for the first few nights after you stop taking it.
If you think you or someone else may have taken an overdose of this medicine, get emergency help at once. Taking an overdose of zaleplon or taking alcohol or other CNS depressants with zaleplon may lead to breathing problems and unconsciousness. Some signs of an overdose are clumsiness or unsteadiness, confusion, severe drowsiness, low blood pressure, unusual dullness or feeling sluggish, and troubled breathing.
Zaleplon may cause a serious type of allergic reaction called anaphylaxis. Anaphylaxis can be life-threatening and requires immediate medical attention. Stop taking this medicine and call your doctor right away if you have itching, hives, hoarseness, trouble breathing, trouble swallowing, or any swelling of your hands, face, or mouth while you are using this medicine .