Comtrex Tablet Side Effects by Likelihood and Severity

COMMON side effects


If experienced, these tend to have a Less Severe expression

  • An Increase In The Thickness Of Lung Secretions
  • Difficulty Sleeping
  • Dizziness
  • Drowsiness
  • Head Pain

INFREQUENT side effects


If experienced, these tend to have a Severe expression

  • Abnormal Liver Function Tests

If experienced, these tend to have a Less Severe expression

  • Agitation
  • Decreased Appetite
  • Difficult Or Painful Urination
  • Dizziness
  • Drowsiness
  • Fast Heartbeat
  • Generalized Weakness
  • Inducing Of A Relaxed Easy State
  • Loss Of Skin Color
  • Muscle Tremors
  • Nausea
  • Nervousness

RARE side effects


If experienced, these tend to have a Severe expression

  • A Blood Disorder
  • A Significant Type Of Allergic Reaction Called Anaphylaxis
  • A Skin Disorder With Blistering And Peeling Skin Called Stevens-Johnson Syndrome
  • A Skin Disorder With Blistering And Peeling Skin Called Toxic Epidermal Necrolysis
  • A Type Of Allergic Reaction Called Angioedema
  • A Type Of Blood Disorder Where The Red Blood Cells Burst
  • A Type Of Bumpy Skin Rash Called A Maculopapular Rash
  • A Type Of Skin Disorder Called Acute Generalized Exanthematous Pustulosis
  • Acute Liver Failure
  • Damage To The Liver And Inflammation
  • Decreased Blood Platelets
  • Extra Heartbeats
  • Hallucinations
  • High Blood Pressure
  • Inflammation Of The Skin Due To An Allergy
  • Insufficient Blood Supply To The Colon
  • Low Blood Pressure
  • Low Levels Of A Type Of White Blood Cell Called Neutrophils
  • Low Levels Of White Blood Cells
  • Seizures
  • Trouble Breathing
  • Very Low Levels Of Granulocytes, A Type Of White Blood Cell
  • Vocal Cord Swelling
  • Vomiting

If experienced, these tend to have a Less Severe expression

  • A Change In Vision
  • A Feeling Of General Discomfort Called Malaise
  • A Headache From Overuse Of Medications
  • A Migraine Headache
  • A Skin Rash
  • A Type Of Bumpy Skin Rash Called A Maculopapular Rash
  • Abnormal Heart Rhythm
  • An Extreme Sense Of Wellbeing Called Euphoria
  • An Inability To Completely Empty The Bladder
  • Anxious Feelings
  • Blurred Vision
  • Chest Discomfort
  • Chills
  • Confusion
  • Constipation
  • Decreased Appetite
  • Diarrhea
  • Difficult Or Painful Urination
  • Difficulty Sleeping
  • Dizziness
  • Double Vision
  • Drowsiness
  • Dry Mouth
  • Dryness Of The Nose
  • Excessive Sweating
  • Fast Heartbeat
  • Head Pain
  • Heart Throbbing Or Pounding
  • Hives
  • Increased Sensitivity Of The Skin To The Sun
  • Indigestion
  • Intense Abdominal Pain
  • Irritability
  • Itching
  • Loss Of Muscle Coordination
  • Low Energy
  • Muscle Tremors
  • Nausea
  • Nervousness
  • Nightmares
  • Numbness And Tingling
  • Over Excitement
  • Ringing In The Ears
  • Sensation Of Spinning Or Whirling
  • Skin Redness
  • Stomach Cramps
  • Stomach Cramps
  • Swelling Of The Abdomen
  • Throat Dryness
  • Trouble Breathing
  • Wheezing

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.