Side Effects by Likelihood and Severity

COMMON side effects

If experienced, these tend to have a Severe expression i

  • low blood pressure
  • temporary redness of face and neck
  • If experienced, these tend to have a Less Severe expression i

  • constipation
  • drowsiness
  • inducing of a relaxed easy state
  • fainting
  • dizziness
  • nausea
  • vomiting
  • generalized weakness
  • confusion
  • over excitement
  • nightmares
  • blurred vision
  • ringing in the ears
  • low blood pressure
  • dry mouth
  • nervousness
  • INFREQUENT side effects

    If experienced, these tend to have a Severe expression i

  • confusion
  • slow heartbeat
  • orthostatic hypotension, a form of low blood pressure
  • vocal cord swelling
  • a spasm of the larynx
  • a complete or partial collapse of the lung airways called atelectasis
  • decreased lung function
  • bronchospasm
  • seizures
  • trouble breathing
  • involuntary muscle movements
  • fast heartbeat
  • inflammation of the vein, or phlebitis after infusion
  • If experienced, these tend to have a Less Severe expression i

  • false sense of well-being
  • nightmares
  • agitation
  • double vision
  • blurred vision
  • a change in vision
  • dry mouth
  • irritation of the stomach or intestines
  • spasm of a bile duct tract
  • a spasm of the ureter
  • excessive sweating
  • headache
  • heart throbbing or pounding
  • an inability to completely empty the bladder
  • feelings of dissatisfaction, sadness, and unease
  • stuffy nose
  • fainting
  • fast heartbeat
  • RARE side effects

    If experienced, these tend to have a Severe expression i

  • decreased function of the adrenal gland
  • deficiency of a substance that promotes masculinization
  • addiction to a drug
  • serotonin syndrome, a type of disorder with high serotonin levels
  • complete stoppage of the heart
  • lung failure causing loss of breath
  • inflammation of the skin due to an allergy
  • itching
  • hives
  • hallucinations
  • a tonic-clonic seizure
  • a skin rash
  • a condition where the body is unable to maintain adequate blood flow called shock
  • a significant type of allergic reaction called anaphylaxis
  • decreased blood platelets
  • very low levels of granulocytes, a type of white blood cell
  • low levels of white blood cells
  • extrapyramidal disease, a type of movement disorder
  • neuroleptic malignant syndrome, a reaction characterized by fever, muscle rigidity and confusion
  • high blood pressure
  • slow heartbeat
  • thrombophlebitis, an inflamed vein due to a blood clot
  • thrombotic thrombocytopenic purpura, a type of blood disorder
  • blood clot formation in vein
  • asthma
  • decreased lung function
  • a blockage of the bile duct that resulting in high bilirubin levels
  • delirium
  • seizures
  • apnea, a breathing interruption
  • a type of allergic reaction called angioedema
  • reactions at the site of the injection
  • gangrene
  • tissue death
  • damage to the skin and tissue around the injection site
  • a yellowing of the eyes or skin from buildup of bilirubin called jaundice
  • abnormal muscle movements
  • If experienced, these tend to have a Less Severe expression i

  • widening of blood vessels
  • the inability to have an erection
  • delirium
  • muscle tremors
  • muscle twitching
  • inflammation of the vein, or phlebitis after infusion
  • dissociation
  • agitation
  • an extreme sense of wellbeing called euphoria
  • double vision
  • skin inflammation
  • dizziness
  • difficulty sleeping
  • low energy
  • loss of muscle coordination
  • nausea
  • vomiting
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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.