Vitamin A (Oral Route, Intramuscular Route)

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Before Using

If you are taking this dietary supplement without a prescription, carefully read and follow any precautions on the label. For this supplement, the following should be considered:

Allergies

Tell your doctor if you have ever had any unusual or allergic reaction to this medicine or any other medicines. Also tell your health care professional if you have any other types of allergies, such as to foods, dyes, preservatives, or animals. For non-prescription products, read the label or package ingredients carefully.

Pediatric

Problems in children have not been reported with intake of normal daily recommended amounts. However, side effects from high doses and/or prolonged use of vitamin A are more likely to occur in young children than adults.

Geriatric

Problems in older adults have not been reported with intake of normal daily recommended amounts. However, some studies have shown that the elderly may be at risk of high blood levels of vitamin A with long-term use.

Pregnancy

Pregnancy CategoryExplanation
All TrimestersXStudies in animals or pregnant women have demonstrated positive evidence of fetal abnormalities. This drug should not be used in women who are or may become pregnant because the risk clearly outweighs any possible benefit.

Breastfeeding

There are no adequate studies in women for determining infant risk when using this medication during breastfeeding. Weigh the potential benefits against the potential risks before taking this medication while breastfeeding.

Drug Interactions

Using this dietary supplement with any of the following medicines may cause an increased risk of certain side effects, but using both drugs may be the best treatment for you. If both medicines are prescribed together, your doctor may change the dose or how often you use one or both of the medicines.

  • Abciximab
  • Acenocoumarol
  • Ancrod
  • Anisindione
  • Antithrombin III Human
  • Argatroban
  • Bexarotene
  • Bivalirudin
  • Clopidogrel
  • Danaparoid
  • Defibrotide
  • Dermatan Sulfate
  • Desirudin
  • Dicumarol
  • Eptifibatide
  • Fondaparinux
  • Heparin
  • Lamifiban
  • Minocycline
  • Pentosan Polysulfate Sodium
  • Phenindione
  • Phenprocoumon
  • Sibrafiban
  • Tirofiban
  • Warfarin
  • Xemilofiban

Other Interactions

Certain medicines should not be used at or around the time of eating food or eating certain types of food since interactions may occur. Using alcohol or tobacco with certain medicines may also cause interactions to occur. Discuss with your healthcare professional the use of your medicine with food, alcohol, or tobacco.

Other Medical Problems

The presence of other medical problems may affect the use of this dietary supplement. Make sure you tell your doctor if you have any other medical problems, especially:

  • Alcohol abuse (or history of) or
  • Liver disease—Vitamin A use may make liver problems worse
  • Kidney disease—May cause high blood levels of vitamin A, which may increase the chance of side effects
Proper Use Brand Names and Description

DR601623

Portions of this document last updated:

Nov. 1, 2009

Source: Drug Information provided by: Micromedex

Copyright © 2009 Thomson Healthcare Inc. All rights reserved. Information is for End User's use only and may not be sold, redistributed or otherwise used for commercial purposes.


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