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Vitamin a Side Effects

Applies to vitamin a: capsule, capsule liquid filled, liquid, solution, tablet, tablet chewable

Along with its needed effects, vitamin a may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Check with your doctor immediately if any of the following side effects occur while taking vitamin a:

  • Bleeding from gums or sore mouth
  • bulging soft spot on head (in babies)
  • confusion or unusual excitement
  • diarrhea
  • dizziness or drowsiness
  • double vision
  • headache (severe)
  • irritability (severe)
  • peeling of skin, especially on lips and palms
  • vomiting (severe)

Check with your doctor as soon as possible if any of the following side effects occur while taking vitamin a:

  • Bone or joint pain
  • convulsions (seizures)
  • drying or cracking of skin or lips
  • dry mouth
  • fever
  • general feeling of discomfort or illness or weakness
  • headache
  • increased sensitivity of skin to sunlight
  • increase in frequency of urination, especially at night, or in amount of urine
  • irritability
  • loss of appetite
  • loss of hair
  • stomach pain
  • unusual tiredness
  • vomiting
  • yellow-orange patches on soles of feet, palms of hands, or skin around nose and lips

Some side effects of vitamin a may not be reported. Always consult your doctor or healthcare specialist for medical advice. You may also report side effects to the FDA.

Disclaimer: Every effort has been made to ensure that the information provided is accurate, up-to-date and complete, but no guarantee is made to that effect. In addition, the drug information contained herein may be time sensitive and should not be utilized as a reference resource beyond the date hereof. This material does not endorse drugs, diagnose patients, or recommend therapy. This information is a reference resource designed as supplement to, and not a substitute for, the expertise, skill , knowledge, and judgement of healthcare practitioners in patient care. The absence of a warning for a given drug or combination thereof in no way should be construed to indicate safety, effectiveness, or appropriateness for any given patient. does not assume any responsibility for any aspect of healthcare administered with the aid of materials provided. The information contained herein is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. If you have questions about the substances you are taking, check with your doctor, nurse, or pharmacist.