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You may experience some common side effects such as drowsiness, constipation, dry mouth, dizziness, lightheadedness, blurred vision, tiredness, or weight gain. These effects are usually mild but should be reported to your healthcare provider if they persist or worsen. To reduce the risk of falls, rise slowly from sitting or lying positions.

Some side effects may require immediate attention, including muscle spasms, tremors, restlessness, a mask-like facial expression, drooling, trouble swallowing, or a shuffling walk. If these occur, consult your healthcare provider, who may adjust your medication.

In rare cases, this medication can cause tardive dyskinesia, characterized by involuntary movements like lip smacking or tongue thrusting. Report these symptoms promptly. An increase in prolactin levels can also occur, leading to symptoms such as unwanted breast milk, menstrual changes, or sexual side effects in men. If you notice these symptoms, contact your healthcare provider immediately.

Serious side effects include persistent nausea, difficulty urinating, unusual bruising, slow heartbeat, signs of infection, severe muscle cramps, seizures, abdominal pain, or yellowing of the skin or eyes. Seek medical help if you experience any of these.

Moreover, a condition called neuroleptic malignant syndrome (NMS) could occur, marked by fever, muscle pain, severe tiredness, confusion, sweating, irregular heartbeat, dark urine, or kidney problems. This is a medical emergency. Allergic reactions are rare but require immediate attention if symptoms such as rash, swelling, or breathing difficulties occur. Always inform your healthcare provider of any side effects you experience.