COMMON side effects
If experienced, these tend to have a Severe expression
- changes in the visual field
- vision loss
If experienced, these tend to have a Less Severe expression
- confusion
- depression
- double vision
- blurred vision
- nystagmus, a condition with involuntary eye movements
- a bacterial infection of the middle ear
- a common cold
- joint pain
- drowsiness
- memory loss
- dizziness
- difficulty sleeping
- low energy
- muscle tremors
- loss of muscle coordination
- weight gain
- headache
- nausea
- diarrhea
- irritability
- a change in the ability to pay attention
INFREQUENT side effects
If experienced, these tend to have a Severe expression
- anemia
- the flu
- chest pain
If experienced, these tend to have a Less Severe expression
- symptoms of eye fatigue or eyestrain
- eye pain
- throat irritation
- bronchitis
- indigestion
- urinary tract infection
- backache
- muscle pain
- sensation of spinning or whirling
- fever
- muscle twitching
- visible water retention
- abdominal bloating
- weak reflexes
- low energy and weakness
- intense abdominal pain
- peripheral sensory nerve disorder
RARE side effects
If experienced, these tend to have a Severe expression
- mental problems from taking the drug
- a form of mania that has a lower severity of symptoms
- suicidal behavior
- suicidal thoughts
- myoclonus, quick and involuntary muscle jerks
- a type of brain function problem called encephalopathy
- a disorder of the peripheral nerves that enable movement called peripheral motor neuropathy
- sudden blindness and pain upon moving the eye
- hearing loss
- a clot in the lung
- vocal cord swelling
- lung failure causing loss of breath
- blockage of normal bile flow
- bleeding of the stomach or intestines
- 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 type of abnormal movement disorder called dyskinesia
- a type of allergic reaction called angioedema
- a condition with high fevers and muscle contractions called malignant hyperthermia
- multiple organ failure
- abnormal muscle movements
- a condition of the brain called intramyelinic edema
If experienced, these tend to have a Less Severe expression
- aggressive behavior
- ringing in the ears
- inflammation of the esophagus
- the inability to have an erection
- pain with menstruation
- itching
- hair loss
- acne
- muscle spasm
- an abnormal increase in muscle tone
- delirium
- decreased tone or tension in a part of the body
- numbness
- a skin rash
- puffy face from water retention
- an abnormal breathing sound called stridor
- cough
- a type of bumpy skin rash called a maculopapular rash
- indifferent behavior
