• An irregular heart rhythm (arrhythmia)

• High blood pressure (hypertension) or low blood pressure (hypotension)

• High blood sugar (hyperglycemia) or low blood sugar (hypoglycemia)

• Breast enlargement or discharge (in men or women)

• Changes in your menstrual cycle

• Worsening of psychotic symptoms

• Unusual body, facial, or tongue movements

• Muscle tension or contractions

• Feelings of internal restlessness or jitteriness

• Seizures

• Signs or symptoms of neuroleptic malignant syndrome (NMS), which can include:

• A high fever
• Stiff muscles
• Confusion
• An irregular pulse or blood pressure
• An increased heart rate (tachycardia)
• Sweating
• Irregular heart rhythms (arrhythmias)

• Signs of an allergic reaction, including:

• An unexplained rash
• Hives
• Itching
• Unexplained swelling
• Wheezing
• Difficulty breathing or swallowing.