What is vitamin A-oral, and how does it work (mechanism of action)?
- Oral vitamin A is used to treat vitamin A deficiency. Carotene compounds
(found, for example, in egg yolk, butter and cream) are gradually converted by
the body to vitamin A (retinol). Vitamin A supports growth and bone development,
vision, reproduction, and development and maintenance of skin tissue. It may
also improve function of the immune system and prevent some cancers. A form of
vitamin A called retinal is responsible for transmitting light sensation in the
retina of the eye. Deficiency of vitamin A leads to night blindness.
What brand names are available for vitamin A-oral?
Natures Way Vitamin A, Now Foods Vitamin A, GNC Vitamin A, and
many more brands
Is vitamin A-oral available as a generic drug?
GENERIC AVAILABLE: Yes
Do I need a prescription for vitamin A-oral?
No
What are the uses for vitamin A-oral?
Vitamin A is used for prevention and treatment of vitamin A deficiency.
What are the side effects of vitamin A-oral?
Side effects of vitamin A include (The frequency of side effects was not
reported.):
- Facial dermatitis
- Sticky skin
- Acne lesions
- Dry mucus
- Inflammation of the lips
- Hair loss
Possible serious side effects include:
- Serious allergic reactions
- Conjunctivitis
- Stratum corneum fragility
- Corneal opacities
What is the dosage for vitamin A-oral?
- The recommended dose for
routine treatment of vitamin A deficiency is 10,000-20,000 units per day vitamin
A for 2 months. - The recommended dose for treating severe
vitamin A deficiency is 100,000 units orally for 3 days, followed by 50,000
units daily for 2 weeks then 10,000 to 20,000 units daily for 2 months. - The dose for preventing vitamin A deficiency
is 10,000 to 50,000 units daily.
Which drugs or supplements interact with vitamin A-oral?
Concurrent use of isotretinion (Amnesteem, Claravis),
tretinoin (Retin-A) and vitamin A may result in increased risk of vitamin A
toxicity.
QUESTION
According to the USDA, there is no difference between a “portion” and a “serving.”
See Answer
Is vitamin A-oral safe to take if I’m pregnant or breastfeeding?
Recommended daily allowance of vitamin A
is safe to use
during pregnancy and is compatible with breastfeeding.
What else should I know about vitamin A-oral?
What preparations of vitamin A-oral are available?
- Capsule: 7,500, 8000, 10,000, 25,000 Units
- Tablets: 10,000, 15,000 Units
How should I keep vitamin A-oral stored?
Vitamin A should be stored in a closed container at room
temperature, away from heat, moisture, and direct light. Keep from freezing.
