PRECAUTIONS: Before using prochlorperazine, tell your doctor or pharmacist if you are allergic to it; or to other phenothiazines (e.g., chlorpromazine); or if you have any other allergies.This medication should not be used to treat patients who are unconscious or taking large amounts of any drug that causes drowsiness and slow/shallow breathing (e.g., alcohol, barbiturates, narcotics).Before using this medication, tell your doctor or pharmacist your medical history, especially of: blood disorders (e.g., bone marrow depression), ongoing breathing problems (e.g., asthma, emphysema), certain heart rhythm problems (e.g., prolonged QTc interval, irregular heartbeat), low blood pressure, glaucoma, liver problems (e.g., cirrhosis), Reye's syndrome, seizures, urination problems (e.g., trouble urinating due to enlarged prostate, urinary retention).This drug may make you dizzy or drowsy or cause blurred vision. Do not drive, use machinery, or do any activity that requires alertness or clear vision until you are sure you can perform such activities safely. Limit alcoholic beverages.To minimize dizziness and light-headedness, get up slowly when rising from a sitting or lying position.This medication may make you more sensitive to the sun. Avoid prolonged sun exposure, tanning booths, and sunlamps. Use a sunscreen and wear protective clothing when outdoors.This medication may decrease your body's ability to adjust to either very hot or very cold temperatures. Due to the risk of fainting, avoid being alone if exposed to temperature extremes (e.g., swimming in cold water). In hot weather, fever and heatstroke may occur due to decreased sweating. Avoid strenuous work/exercise, drink plenty of fluids, and dress lightly while in hot weather.The elderly may be more sensitive to the effects of this drug, especially low blood pressure, constipation, urinary problems, and nerve/muscle problems.Children may be at greater risk for nerve/muscle side effects while using this drug. Therefore, this medication is not recommended for use in children who are in surgery or have a short-term illness (e.g., chickenpox, flu) or in children under 2 years old.During pregnancy, this medication should be used only when clearly needed. Infants born to mothers who have used this medication during pregnancy may rarely have liver or nerve/muscle problems. Discuss the risks and benefits with your doctor.Based on information from related drugs, this medication may pass into breast milk. Therefore, breast-feeding while using this medication is not recommended. Consult your doctor before breast-feeding.
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