Verapamil ER Side Effects by Likelihood and Severity

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COMMON side effects


If experienced, these tend to have a Less Severe expression

  • An Infection
  • Constipation
  • Dizziness
  • Fluid Retention In The Legs, Feet, Arms Or Hands
  • Flu-Like Symptoms
  • Head Pain
  • Inflammation Of The Tissue Lining The Sinuses
  • Throat Irritation

INFREQUENT side effects


If experienced, these tend to have a Severe expression

  • Chronic Heart Failure
  • Fluid In The Lungs
  • Inflammation Of The Skin Due To An Allergy
  • Low Blood Pressure
  • Slow Heartbeat
  • Trouble Breathing

If experienced, these tend to have a Less Severe expression

  • A Skin Rash
  • A Stuffy And Runny Nose
  • Low Energy
  • Nausea
  • Visible Water Retention

RARE side effects


If experienced, these tend to have a Severe expression

  • A Heart Attack
  • A High Alanine Transaminase Level
  • A High Aspartate Transaminase Level
  • A High Prolactin Level
  • A Skin Disorder With Blistering And Peeling Skin Called Stevens-Johnson Syndrome
  • A Stroke
  • Abnormal Heart Electrical Signals
  • Abnormal Liver Function Tests
  • Atrioventricular Block, A Type Of Slow Heart Rhythm Disorder
  • Breastmilk Production Not Associated With Childbirth Or Nursing
  • Erythema Multiforme, A Type Of Allergic Skin Reaction
  • Extrapyramidal Disease, A Type Of Movement Disorder
  • High Amount Of Bilirubin In The Blood
  • Liver Damage
  • Mental Problems From Taking The Drug
  • Overgrowth Of Gums Onto Teeth
  • Significantly Low Blood Pressure

If experienced, these tend to have a Less Severe expression

  • A Problem With Menstrual Periods
  • An Increased Need To Urinate Often
  • Blurred Vision
  • Bruising Under The Skin
  • Confusion
  • Cramps
  • Diarrhea
  • Difficulty Sleeping
  • Drowsiness
  • Enlarged Breasts
  • Generalized Weakness
  • Hair Loss
  • Heart Throbbing Or Pounding
  • Indigestion
  • Joint Pain
  • Large Purple Or Brown Skin Blotches
  • Muscle Tremors
  • Numbness And Tingling
  • Ringing In The Ears
  • Temporary Redness Of Face And Neck
  • The Inability To Have An Erection

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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.