Tramadol HCL Side Effects by Likelihood and Severity

COMMON side effects


If experienced, these tend to have a Less Severe expression

  • Constipation
  • Difficulty Sleeping
  • Dizziness
  • Drowsiness
  • Dry Mouth
  • Headache
  • Itching
  • Nausea
  • Sensation Of Spinning Or Whirling
  • Temporary Redness Of Face And Neck
  • Vomiting

INFREQUENT side effects


If experienced, these tend to have a Severe expression

  • Decreased Lung Function

If experienced, these tend to have a Less Severe expression

  • A Skin Rash
  • An Inability To Completely Empty The Bladder
  • Anxious Feelings
  • Blurred Vision
  • Confusion
  • Decreased Appetite
  • Diarrhea
  • Excessive Sweating
  • Gas
  • Generalized Weakness
  • High Blood Pressure
  • Indigestion
  • Intense Abdominal Pain
  • Joint Pain
  • Nervousness
  • Orthostatic Hypotension, A Form Of Low Blood Pressure
  • Widening Of Blood Vessels

RARE side effects


If experienced, these tend to have a Severe expression

  • A Clot In The Lung
  • A Disorder With Excess Antidiuretic Hormone Called Syndrome Of Inappropriate Antidiuretic Hormone
  • A Low Supply Of Oxygen Rich Blood To The Heart
  • 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 Spasm Of The Sphincter Of Oddi
  • A Type Of Allergic Reaction Called Angioedema
  • Abnormal Heart Electrical Signals
  • Accidental Falls
  • Addiction To A Drug
  • An Accidental Injury
  • An Increased Need To Urinate Often
  • Anemia
  • Bronchospastic Lung Disease
  • Decreased Function Of The Adrenal Gland
  • Deficiency Of A Substance That Promotes Masculinization
  • Fast Heartbeat
  • Fluid In The Lungs
  • Hearing Loss
  • Inadequate Blood Flow In The Extremities
  • Inflammation Of The Liver Called Hepatitis
  • Liver Failure
  • Low Amount Of Sodium In The Blood
  • Low Blood Sugar
  • Prolonged QT Interval On EKG
  • Seizures
  • Serotonin Syndrome, A Type Of Disorder With High Serotonin Levels
  • Sleep Apnea
  • Suicidal Behavior
  • Trouble Breathing

If experienced, these tend to have a Less Severe expression

  • A Change In Vision
  • A Feeling Of Pins And Needles On Skin
  • A Problem With Menstrual Periods
  • A Sleep Disorder
  • Abnormal Dreams
  • Agitation
  • Altered Interest In Having Sexual Intercourse
  • An Abnormal Increase In Muscle Tone
  • An Extreme Sense Of Wellbeing Called Euphoria
  • Bloody Urine
  • Bruising
  • Bruising Under The Skin
  • Chills
  • Clouding Of The Lens Of The Eye Called Cataracts
  • Decreased Pupil Size
  • Delirium
  • Depersonalization, A Disconnection Of One's Own Sense Of Reality Or Identity
  • Depression
  • Difficult Or Painful Urination
  • Fainting
  • Fever
  • Fluid Retention In The Legs, Feet, Arms Or Hands
  • Flu-Like Symptoms
  • Hallucinations
  • Heart Throbbing Or Pounding
  • High Blood Sugar
  • Hives
  • Hyperactive Behavior
  • Indifferent Behavior
  • Infertility
  • Inflammation Of The Lining Of The Stomach And Intestines
  • Inflammation Of The Tissue Lining The Sinuses
  • Leg Cramps
  • Loss Of Muscle Coordination
  • Low Blood Pressure
  • Mood Changes
  • Muscle Pain
  • Muscle Tremors
  • Muscle Twitching
  • Neck Stiffness
  • Night Sweats
  • Opioid Induced Allodynia
  • Opioid Induced Hyperalgesia
  • Poisoning Caused By Anticholinergic Medication
  • Ringing In The Ears
  • Stomatitis, A Condition With Painful Swelling And Sores Inside The Mouth
  • Taste Impairment
  • The Inability To Have An Erection
  • Throat Irritation
  • Urinary Tract Infection
  • Weight Loss
  • Yawning

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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.