Clonazepam Side Effects by Likelihood and Severity

COMMON side effects

If experienced, these tend to have a Severe expression i

  • muscle weakness
  • If experienced, these tend to have a Less Severe expression i

  • indigestion
  • drowsiness
  • inducing of a relaxed easy state
  • dizziness
  • low energy
  • loss of muscle coordination
  • slurred speech
  • INFREQUENT side effects

    If experienced, these tend to have a Severe expression i

  • confusion
  • behavioral problems
  • abnormal nervous system function affecting alertness
  • If experienced, these tend to have a Less Severe expression i

  • throat irritation
  • bronchitis
  • the inability to have an erection
  • cough
  • diarrhea
  • intense abdominal pain
  • RARE side effects

    If experienced, these tend to have a Severe expression i

  • dehydration
  • anemia
  • decreased blood platelets
  • low levels of white blood cells
  • increased eosinophils in the blood
  • mental problems from taking the drug
  • manic behavior
  • suicidal behavior
  • suicidal thoughts
  • depression
  • feelings of hostility
  • irregular involuntary spasms of limbs or facial muscles
  • decreased lung function
  • memory loss
  • hallucinations
  • a tonic-clonic seizure
  • a skin rash
  • an inability to completely empty the bladder
  • an enlarged liver
  • abnormal liver function tests
  • a hypersensitivity reaction to a drug
  • accidental falls
  • hemiparesis
  • a movement disorder called dysdiadochokinesis
  • worsening of seizure
  • If experienced, these tend to have a Less Severe expression i

  • over excitement
  • depersonalization, a disconnection of one's own sense of reality or identity
  • altered interest in having sexual intercourse
  • addiction to a drug
  • nightmares
  • agitation
  • aggressive behavior
  • double vision
  • changes in the visual field
  • blurred vision
  • a change in vision
  • dry eye
  • nystagmus, a condition with involuntary eye movements
  • orthostatic hypotension, a form of low blood pressure
  • gum pain
  • excessive saliva production
  • dry mouth
  • a type of stomach irritation called gastritis
  • constipation
  • a problem with menstrual periods
  • contact dermatitis, a type of skin rash that occurs from contact with an offending substance
  • itching
  • hair loss
  • hirsutism, a condition of hair growth on parts of the body normally without hair
  • dry skin
  • muscle pain
  • cramps
  • sensation of spinning or whirling
  • a sleep disorder
  • fever
  • muscle tremors
  • decreased tone or tension in a part of the body
  • puffy face from water retention
  • decreased appetite
  • weight gain
  • weight loss
  • excessive thirst
  • increased hunger
  • headache
  • a type of speech disorder called dysarthria
  • sneezing
  • heart throbbing or pounding
  • trouble breathing
  • yawning
  • nausea
  • difficult or painful urination
  • involuntary leakage of urine
  • urination during the night
  • abnormal color of urine
  • nervousness
  • runny nose
  • irritability
  • abnormal dreams
  • a loss of taste
  • an increased interest in having sexual intercourse
  • bronchial congestion
  • loss of voice
  • thickening of tongue
  • problems thinking clearly
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    Selected from data included with permission and copyrighted by First Databank, Inc. This copyrighted material has been downloaded from a licensed data provider and is not for distribution, except as may be authorized by the applicable terms of use.

    CONDITIONS OF USE: The information in this database is intended to supplement, not substitute for, the expertise and judgment of healthcare professionals. The information is not intended to cover all possible uses, directions, precautions, drug interactions or adverse effects, nor should it be construed to indicate that use of a particular drug is safe, appropriate or effective for you or anyone else. A healthcare professional should be consulted before taking any drug, changing any diet or commencing or discontinuing any course of treatment.