Penicillin G Potassium Vial Side Effects by Likelihood and Severity

COMMON side effects


If experienced, these tend to have a Less Severe expression

  • Diarrhea
  • Nausea

INFREQUENT side effects


If experienced, these tend to have a Severe expression

  • A Significant Type Of Allergic Reaction Called Anaphylaxis
  • Low Blood Pressure

If experienced, these tend to have a Less Severe expression

  • A Skin Rash
  • A Yeast Infection Of The Vagina And Vulva
  • Itching
  • Stomatitis, A Condition With Painful Swelling And Sores Inside The Mouth
  • Thrush
  • Vomiting

RARE side effects


If experienced, these tend to have a Severe expression

  • A Hypersensitivity Reaction To A Drug
  • A Jarisch-Herxheimer Reaction
  • A Serum Sickness Reaction
  • A Skin Disorder With Blistering And Peeling Skin Called Stevens-Johnson Syndrome
  • A Spasm Of The Larynx
  • A Type Of Allergic Reaction Called Angioedema
  • A Type Of Blood Disorder Where The Red Blood Cells Burst Called Hemolytic Anemia
  • A Type Of Bumpy Skin Rash Called A Maculopapular Rash
  • A Type Of Kidney Inflammation Called Interstitial Nephritis
  • A Type Of Significant Allergic Skin Reaction Called DRESS Syndrome
  • A Type Of Skin Disorder Called Acute Generalized Exanthematous Pustulosis
  • Abnormal Liver Function Tests
  • Abnormal Peeling Of Skin
  • Anemia
  • Bronchospastic Lung Disease
  • Decreased Blood Platelets
  • Diarrhea From An Infection With Clostridium Difficile Bacteria
  • High Levels Of Potassium In The Blood
  • Increased Eosinophils In The Blood
  • Inflammation Of The Small And Large Intestine
  • Inflammation Of The Vein, Or Phlebitis After Infusion
  • Low Levels Of A Type Of White Blood Cell Called Neutrophils
  • Low Levels Of White Blood Cells
  • Seizures
  • Skin Rash With Sloughing
  • The Appearance Of Crystals In The Urine
  • Thrombophlebitis, An Inflamed Vein Due To A Blood Clot
  • Thrombotic Thrombocytopenic Purpura, A Type Of Blood Disorder
  • Very Low Levels Of Granulocytes, A Type Of White Blood Cell

If experienced, these tend to have a Less Severe expression

  • A Discolored Tongue
  • A Feeling Of General Discomfort Called Malaise
  • A Hairy Tongue
  • A Painful, Red Or Swollen Tongue
  • An Infection Due To A Fungus
  • Exaggerated Deep Reflexes
  • Fever
  • Headache
  • Hives
  • Intense Abdominal Pain
  • Joint Pain
  • Muscle Pain
  • Muscle Twitching
  • Reactions At The Site Of The Injection

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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.