Botox Vial Side Effects by Likelihood and Severity

COMMON side effects


If experienced, these tend to have a Severe expression

  • A Change In Voice
  • Difficulty Swallowing
  • Muscle Weakness
  • Poor Eyelid Closure

If experienced, these tend to have a Less Severe expression

  • A Common Cold
  • Accumulation Of Fluid In The Tissues Of The Eyelid
  • An Inability To Completely Empty The Bladder
  • Backache
  • Bronchitis
  • Bruising Under The Skin
  • Cough
  • Difficult Or Painful Urination
  • Drooping Of The Upper Eyelid
  • Dry Mouth
  • Eye Irritation
  • Head Pain
  • Inflammation Of The Nose
  • Low Energy
  • Nausea
  • Neck Pain
  • Reactions At The Site Of The Injection
  • The Flu
  • Throat Irritation
  • Urinary Tract Infection

INFREQUENT side effects


If experienced, these tend to have a Severe expression

  • An Infection
  • Double Vision
  • Fever

If experienced, these tend to have a Less Severe expression

  • A Change In Vision
  • A Skin Rash
  • Itching

RARE side effects


If experienced, these tend to have a Severe expression

  • A Disorder Of The Brachial Plexus, A Bundle Of Nerves In The Shoulder
  • A Heart Attack
  • A Serum Sickness Reaction
  • A Significant Type Of Allergic Reaction Called Anaphylaxis
  • A Type Of Speech Disorder Called Dysarthria
  • Abnormal Heart Rhythm
  • Acute Respiratory Distress Syndrome, A Type Of Lung Disorder
  • An Allergic Reaction To A Drug
  • An Ulcer Of The Cornea Of The Eye
  • Botulism
  • Decreased Lung Function
  • Erythema Multiforme, A Type Of Allergic Skin Reaction
  • Hearing Loss
  • Hematoma, A Collection Of Blood Outside Of The Blood Vessels
  • Inflammation Of The Cornea Of The Eye
  • Involuntary Leakage Of Urine
  • Muscle Wasting
  • Pneumonia Due To Accidental Inhalation Of Vomit
  • Seizures
  • Skin Redness
  • The Eyelid To Roll Inward And Against The Eyeball
  • Trouble Breathing

If experienced, these tend to have a Less Severe expression

  • A Feeling Of General Discomfort Called Malaise
  • A Painful Condition That Affects The Nerves In The Legs And Arms Called Peripheral Neuropathy
  • A Psoriasis-Like Skin Eruption
  • A Sensation Of Feeling Heavy
  • A Stinging Sensation On The Skin
  • Abnormal Manner Of Walking
  • An Abnormal Increase In Muscle Tone
  • Anxious Feelings
  • Bleeding In The Retrobulbar Space
  • Bloody Urine
  • Blurred Vision
  • Chest Pain
  • Decreased Appetite
  • Diarrhea
  • Dry Eye
  • Excessive Granulation Tissue
  • Excessive Sweating
  • Fainting
  • Flu-Like Symptoms
  • Generalized Weakness
  • Hair Loss
  • Hives
  • Inflammation Of The Tissue Lining The Sinuses
  • Intense Abdominal Pain
  • Joint Pain
  • Muscle Pain
  • Numbness
  • Numbness And Tingling
  • Pain In The Muscles Or Bones
  • Paralysis Of Nerves For The Face
  • Ringing In The Ears
  • Sensation Of Spinning Or Whirling
  • Strabismus, An Abnormal Alignment Of The Eyes
  • Twitching
  • Visible Water Retention
  • Visual Sensitivity To Light
  • Vomiting

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.