Naproxen Sodium Side Effects by Likelihood and Severity

COMMON side effects


If experienced, these tend to have a Severe expression

  • A Skin Rash
  • Abnormal Liver Function Tests
  • Hives
  • Ringing In The Ears
  • Water Retention

If experienced, these tend to have a Less Severe expression

  • Constipation
  • Dizziness
  • Drowsiness
  • Head Pain
  • Heartburn
  • Nausea
  • Visible Water Retention

INFREQUENT side effects


If experienced, these tend to have a Severe expression

  • A Change In Vision
  • Bleeding
  • Blurred Vision
  • Bruising
  • Bruising Under The Skin
  • Excessive Thirst
  • Large Purple Or Brown Skin Blotches

If experienced, these tend to have a Less Severe expression

  • Diarrhea
  • Excessive Sweating
  • Hearing Loss
  • Heart Throbbing Or Pounding
  • Indigestion
  • Sensation Of Spinning Or Whirling
  • Upper Abdominal Pain

RARE side effects


If experienced, these tend to have a Severe expression

  • A Blood Clot
  • A Condition With Symptoms That Resemble Lupus
  • A Heart Attack
  • A Rupture In The Wall Of The Stomach Or Intestine
  • 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 Stomach Ulcer
  • A Stroke
  • A Systemic Inflammatory Response Called Sepsis Due To An Infection With Bacteria
  • A Type Of Allergic Reaction Called Angioedema
  • A Type Of Blood Disorder Where The Red Blood Cells Burst
  • A Type Of Blood Disorder With A Decrease In All Types Of Blood Cells Called Pancytopenia
  • A Type Of Kidney Inflammation Called Interstitial Nephritis
  • A Yellowing Of The Eyes Or Skin From Buildup Of Bilirubin Called Jaundice
  • Abnormal Heart Rhythm
  • Acute Inflammation Of The Pancreas
  • An Ulcer From Too Much Stomach Acid
  • Anemia
  • Bleeding Of The Stomach Or Intestines
  • Blockage Of The Stomach Or Intestine
  • Blood Coming From Anus
  • Bloody Urine
  • Bloody Vomit
  • Bronchospasm
  • Chest Tightness
  • Chronic Heart Failure
  • Coma
  • Confusion
  • Corneal Opacity, A Scarring Disorder That Results In Clouding Of The Cornea Of The Eye
  • Decreased Blood Platelets
  • Decreased Lung Function
  • Depression
  • Elevation Of Proteins In The Urine
  • Erythema Multiforme, A Type Of Allergic Skin Reaction
  • Excess Urination
  • Fainting
  • Fast Heartbeat
  • Fever
  • Fluid In The Lungs
  • Glomerulonephritis, A Condition That Affects The Kidneys
  • Heart Failure
  • High Blood Pressure
  • High Blood Sugar
  • High Levels Of Potassium In The Blood
  • Increased Eosinophils In The Blood
  • Infiltration Of White Blood Cells Into The Lungs
  • Inflammation Of The Bladder
  • Inflammation Of The Blood Vessels
  • Inflammation Of The Large Intestine
  • Inflammation Of The Liver Called Hepatitis
  • Inflammation Of The Skin Due To An Allergy
  • Itching
  • Kidney Disease With Reduction In Kidney Function
  • Kidney Failure
  • Liver Failure
  • Low Blood Counts Due To Bone Marrow Failure
  • Low Blood Pressure
  • Low Blood Sugar
  • Low Levels Of White Blood Cells
  • Meningitis Not Due To An Infection
  • Muscle Pain
  • Nephrotic Syndrome, A Type Of Kidney Disorder
  • Pneumonia
  • Pneumonia With High Amount Of Eosinophil White Blood Cells
  • Renal Papillary Necrosis
  • Renal Tubular Necrosis, A Kidney Disorder
  • Seizures
  • Skin Rash With Sloughing
  • Stomach Or Intestinal Ulcer
  • Sudden Blindness And Pain Upon Moving The Eye
  • Swollen Lymph Nodes
  • Trouble Breathing
  • Very Low Levels Of Granulocytes, A Type Of White Blood Cell
  • Wheezing

If experienced, these tend to have a Less Severe expression

  • A Painful, Red Or Swollen Tongue
  • A Problem With Menstrual Periods
  • A Type Of Stomach Irritation Called Gastritis
  • Anxious Feelings
  • Black Tarry Stools
  • Burping
  • Changes In Appetite
  • Decreased Urine Production
  • Difficult Or Painful Urination
  • Difficulty Concentrating
  • Difficulty Sleeping
  • Dry Mouth
  • Erythema Nodosum, A Skin Condition With Red And Painful Nodules
  • Generalized Weakness
  • Hair Loss
  • Hallucinations
  • Increased Sensitivity Of The Skin To The Sun
  • Inflammation Of The Esophagus
  • Low Energy
  • Muscle Tremors
  • Muscle Weakness
  • Nervousness
  • Numbness And Tingling
  • Optic Disk Edema
  • Pink Eye
  • Skin Disease Characterized By Swollen Itching Lesions
  • Stomatitis, A Condition With Painful Swelling And Sores Inside The Mouth
  • Vomiting
  • Weight Gain
  • Weight Loss

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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.