COMMON side effects
If experienced, these tend to have a Severe expression
- a type of movement disorder called parkinsonism
- extrapyramidal disease, a type of movement disorder
- a feeling of restlessness with inability to sit still
- a type of abnormal movement disorder called dyskinesia
- fast heartbeat
If experienced, these tend to have a Less Severe expression
- throat irritation
- excessive saliva production
- dry mouth
- indigestion
- constipation
- drowsiness
- low energy
- weight gain
- headache
- vomiting
- reactions at the site of the injection
- abnormal muscle movements
INFREQUENT side effects
If experienced, these tend to have a Severe expression
- bundle branch block
- orthostatic hypotension, a form of low blood pressure
- low blood pressure
- high blood sugar
If experienced, these tend to have a Less Severe expression
- a high prolactin level
- hyperactive behavior
- a sore throat
- a stuffy and runny nose
- a problem with menstrual periods
- backache
- muscle pain
- difficulty sleeping
- increased hunger
- a type of speech disorder called dysarthria
- heart throbbing or pounding
- cough
- nausea
- generalized weakness
- intense abdominal pain
- anxious feelings
RARE side effects
If experienced, these tend to have a Severe expression
- diabetes
- very low levels of granulocytes, a type of white blood cell
- low levels of white blood cells
- low levels of a type of white blood cell called neutrophils
- tardive dyskinesia, a disorder characterized by involuntary movements of the face, mouth and tongue
- neuroleptic malignant syndrome, a reaction characterized by fever, muscle rigidity and confusion
- high blood pressure
- atrioventricular block, a type of slow heart rhythm disorder
- a type of slowed heart rhythm disorder called heart block
- abnormal heart electrical signals
- slow heartbeat
- sinus tachycardia, a type of fast heart rate
- prolonged QT interval on EKG
- abnormal functioning of the sinus node of the heart
- a transient ischemic attack, a type of stroke that lasts only a few minutes
- a stroke
- cerebral ischemia, a lack of blood supply to the brain
- pneumonia due to accidental inhalation of vomit
- blocked bowels with decreased peristaltic movement
- blockage of the stomach or intestine
- priapism, a prolonged erection of the penis
- a condition with muscle tissue breakdown called rhabdomyolysis
- muscle stiffness
- seizures
- fever
- opisthotonus, an arching body spasm
- swelling of the tongue
- a significant type of allergic reaction called anaphylaxis
- a type of allergic reaction called angioedema
- accidental falls
- problems with food passing through the esophagus
- a state of stupor and unresponsiveness called catatonia
- a high alanine transaminase level
- a high aspartate transaminase level
- painful and involuntary movement of the eyes called oculogyric crisis
If experienced, these tend to have a Less Severe expression
- confusion
- stuffy nose
- urinary tract infection
- absence of menstrual periods
- joint pain
- muscle spasm
- sensation of spinning or whirling
- a sleep disorder
- numbness
- nosebleed
- gas
- pain in the muscles or bones
- retrograde ejaculation
