GENERIC NAME: PERICYAZINE - ORAL (pair-eh-SY-uh-zeen)
USES: Pericyazine is used to help control certain behavioral symptoms (e.g., hostility, impulsiveness, aggression) associated with mental disorders.
HOW TO USE: Take this medication by mouth usually twice daily in the morning and in the evening; or as directed by your doctor. The dosage is based on your medical condition and response to therapy. Use this medication exactly as prescribed. Do not increase your dose, take it more frequently, or use it for a longer period of time than prescribed because doing so may increase your risk of serious side effects. Also, if used for an extended period of time, do not suddenly stop using this drug without your doctor's approval.
SIDE EFFECTS: Drowsiness, dizziness/lightheadedness, dry mouth, nausea, vomiting, constipation, or diarrhea may occur. If any of these effects persist or worsen, notify your doctor promptly. Tell your doctor immediately if any of these serious side effects occur: uncontrolled muscle movements (especially of the face, jaw, neck, or mouth), other mental/mood changes (e.g., confusion, increased aggression), trouble sleeping. Tell your doctor immediately if any of these unlikely but serious side effects occur: vision changes, mouth sores, dark patches or sunburn-like effect of the skin, weight gain, menstrual changes, changes in your interest in sex (libido). Tell your doctor immediately if any of these highly unlikely but very serious side effects occur: irregular heartbeat, fever, sweating, severe drowsiness, muscle pain, seizures, change in amount of urine. An allergic reaction to this drug is unlikely, but seek immediate medical attention if it occurs. Symptoms of an allergic reaction include: rash, itching, swelling, severe dizziness, trouble breathing. If you notice other effects not listed above, contact your doctor or pharmacist.
PRECAUTIONS: This medication is not recommended for use if you have the following medical conditions: blood disorders, liver disease. Tell your doctor your medical history, especially of: heart problems (e.g., arrhythmias, cardiovascular disease), seizure disorders, low blood pressure, prostate problems, eye problems (e.g., glaucoma, retinal disease), digestion problems (e.g., constipation or paralytic ileus), certain kidney disease (e.g., pheochromocytoma), any allergies (especially to phenothiazine-type medication such as chlorpromazine). This drug may make you dizzy or drowsy; use caution engaging in activities requiring alertness such as driving or using machinery. Avoid alcoholic beverages. To minimize dizziness and lightheadedness, get up slowly when rising from a seated or lying position. This medication may make you more sensitive to the sun. Avoid prolonged sun exposure, use a sunscreen, and wear protective clothing when outdoors. Caution is advised when using this drug in the elderly because they may be more sensitive to the effects of the drug. This medication should be used only when clearly needed during pregnancy. Discuss the risks and benefits with your doctor. It is not known whether this drug passes into breast milk. Because of the potential risk to the infant, breast-feeding while using this drug is not recommended. Consult your doctor before breast-feeding.
DRUG INTERACTIONS: Tell your doctor of all prescription and nonprescription medication you may use, especially: drugs used to treat diarrhea (e.g., loperamide, diphenoxylate), benztropine, certain drugs to help the stomach (e.g., anticholinergics such as belladonna, clidinium, dicyclomine, or hyoscyamine), motion sickness medication (e.g., scopolamine). Tell your doctor if you take any drugs that cause drowsiness such as: medicine for sleep (e.g., sedatives), tranquilizers, anti-anxiety drugs (e.g., diazepam), narcotic pain relievers (e.g., codeine), other psychiatric medicines (e.g., phenothiazines such as chlorpromazine or tricyclic antidepressants such as amitriptyline), anti-seizure drugs (e.g., carbamazepine), muscle relaxants, antihistamines that cause drowsiness (e.g., diphenhydramine). Check the labels on all your medicines (e.g., cough-and-cold products) because they may contain drowsiness-causing ingredients. Ask your pharmacist about the safe use of these products. Also, report drugs that affect the heart rhythm (QTc prolongation), such as: dofetilide, pimozide, sotalol, quinidine, procainamide, sparfloxacin. Ask your doctor or pharmacist for more details. Do not start or stop any medicine without doctor or pharmacist approval.
OVERDOSE: If overdose is suspected, contact your local poison control center or emergency room immediately. US residents can call the US national poison hotline at 1-800-222-1222. Canadian residents should call their local poison control center directly. Symptoms of overdose may include: severe drowsiness or coma, seizures, irregular heartbeat.
MISSED DOSE: If you miss a dose, use it as soon as you remember. If it is near the time of the next dose, skip the missed dose and resume your usual dosing schedule. Do not double the dose to catch up.
STORAGE: Store at room temperature between 59 and 86 degrees F (15 and 30 degrees C) away from light and moisture.
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You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.