COMMON side effects
If experienced, these tend to have a Severe expression
- double vision
- blurred vision
- nystagmus, a condition with involuntary eye movements
- loss of muscle coordination
If experienced, these tend to have a Less Severe expression
- confusion
- drowsiness
- dizziness
- unsteady walking
INFREQUENT side effects
If experienced, these tend to have a Severe expression
- a disorder with excess antidiuretic hormone called syndrome of inappropriate antidiuretic hormone
- low amount of sodium in the blood
- behavioral problems
- 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 symptoms that resemble lupus
If experienced, these tend to have a Less Severe expression
- constipation
- itching
- sensation of spinning or whirling
RARE side effects
If experienced, these tend to have a Severe expression
- meningitis not due to an infection
- low amount of calcium in the blood
- porphyria
- hereditary liver metabolism disorder
- a type of blood disorder with a decrease in all types of blood cells called pancytopenia
- decreased function of bone marrow
- low blood counts due to bone marrow failure
- anemia
- decreased blood platelets
- very low levels of granulocytes, a type of white blood cell
- low levels of white blood cells
- increased eosinophils in the blood
- high levels of white blood cells
- suicidal behavior
- suicidal thoughts
- depression
- neuroleptic malignant syndrome, a reaction characterized by fever, muscle rigidity and confusion
- a painful condition that affects the nerves in the legs and arms called peripheral neuropathy
- high blood pressure
- atrioventricular block, a type of slow heart rhythm disorder
- abnormal heart rhythm
- chronic heart failure
- obstruction of a blood vessel by a blood clot
- thrombophlebitis, an inflamed vein due to a blood clot
- low blood pressure
- inflammation in the lungs due to an allergic reaction
- liver failure
- inflammation of the liver called hepatitis
- a blockage of the bile duct that resulting in high bilirubin levels
- blockage of normal bile flow
- kidney inflammation
- kidney failure
- decreased kidney function
- erythema multiforme, a type of allergic skin reaction
- skin rash with sloughing
- hives
- decreased calcification or density of bone
- fainting
- visible water retention
- swollen lymph nodes
- abnormal liver function tests
- a significant type of allergic reaction called anaphylaxis
- a type of allergic reaction called angioedema
- a type of immune system problem called hypogammaglobulinemia
- pancreatitis
- a type of skin disorder called acute generalized exanthematous pustulosis
- a type of significant allergic skin reaction called DRESS syndrome
If experienced, these tend to have a Less Severe expression
- high cholesterol
- large purple or brown skin blotches
- pink eye
- ringing in the ears
- abnormally acute hearing or painful sensitivity to sound
- dry mouth
- stomatitis, a condition with painful swelling and sores inside the mouth
- a painful, red or swollen tongue
- irritation of the stomach or intestines
- the inability to have an erection
- increased sensitivity of the skin to the sun
- hair loss
- hirsutism, a condition of hair growth on parts of the body normally without hair
- skin discoloration
- joint pain
- muscle pain
- leg cramps
- low energy
- excessive sweating
- muscle twitching
- decreased appetite
- headache
- a type of speech disorder called dysarthria
- diarrhea
- an inability to completely empty the bladder
- an increased need to urinate often
- generalized weakness
- intense abdominal pain