COMMON side effects
If experienced, these tend to have a Severe expression
- abnormal sexual function
- difficulty sleeping
- diarrhea
If experienced, these tend to have a Less Severe expression
- problems with ejaculation
- a common cold
- a stuffy and runny nose
- dry mouth
- indigestion
- constipation
- drowsiness
- dizziness
- excessive sweating
- muscle tremors
- muscle twitching
- taste impairment
- decreased appetite
- headache
- nausea
- nervousness
- generalized weakness
INFREQUENT side effects
If experienced, these tend to have a Severe expression
- manic behavior
- a form of mania that has a lower severity of symptoms
- depression
- myoclonus, quick and involuntary muscle jerks
- fainting
- trouble breathing
- difficulty swallowing
If experienced, these tend to have a Less Severe expression
- mood changes
- altered interest in having sexual intercourse
- a tooth disease
- the inability to have an erection
- muscle pain
- leg cramps
- chills
- temporary redness of face and neck
- weight gain
- weight loss
- heart throbbing or pounding
- yawning
- vomiting
- gas
- an increased need to urinate often
- excess urination
- a feeling of general discomfort called malaise
- anxious feelings
RARE side effects
If experienced, these tend to have a Severe expression
- low amount of sodium in the blood
- porphyria
- low blood counts due to bone marrow failure
- anemia
- large purple or brown skin blotches
- suicidal behavior
- suicidal thoughts
- thoughts of hurting or killing others
- an extreme sense of wellbeing called euphoria
- feelings of hostility
- a type of movement disorder called parkinsonism
- extrapyramidal disease, a type of movement disorder
- neuroleptic malignant syndrome, a reaction characterized by fever, muscle rigidity and confusion
- serotonin syndrome, a type of disorder with high serotonin levels
- blurred vision
- rapid ventricular heartbeat
- torsades de pointes, a type of abnormal heart rhythm
- prolonged QT interval on EKG
- inflammation of the blood vessels
- low blood pressure
- bleeding
- bruising under the skin
- blocked bowels with decreased peristaltic movement
- inflammation of the liver called hepatitis
- bleeding of the stomach or intestines
- bloody urine
- a skin disorder with blistering and peeling skin called toxic epidermal necrolysis
- a skin disorder with blistering and peeling skin called Stevens-Johnson syndrome
- a condition with muscle tissue breakdown called rhabdomyolysis
- mental status changes
- hallucinations
- seizures
- fever
- a feeling of restlessness with inability to sit still
- a type of abnormal movement disorder called dyskinesia
- a significant type of allergic reaction called anaphylaxis
- a type of allergic reaction called angioedema
- secondary angle-closure glaucoma, a type of eye disorder
- slowing of the electrical conduction system of the heart
- lung tissue problem
- pancreatitis
- abnormal muscle movements
If experienced, these tend to have a Less Severe expression
- aggressive behavior
- dilated pupils
- a spasm of the larynx
- gastroesophageal reflux disease
- abnormally long or heavy periods
- bleeding not related to menstrual period
- a problem with menstrual periods
- increased sensitivity of the skin to the sun
- hives
- small reddish-purplish pin-point sized spots on skin
- a type of speech disorder called dysarthria
- nosebleed
- orgasm problems
- abnormal dreams
- blood in semen
