Side Effects of This Dietary Supplement

Along with its needed effects, a dietary supplement may cause some unwanted effects. Vitamin A does not usually cause any side effects at normal recommended doses.

However, taking large amounts of vitamin A over a period of time may cause some unwanted effects that can be serious. Check with your health care professional immediately if any of the following side effects occur, since they may be signs of sudden overdose:

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 health care professional as soon as possible if any of the following side effects occur, since they may also be signs of gradual overdose:

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

Other side effects not listed above may also occur in some individuals. If you notice any other effects, check with your health care professional.