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Vitamin A & D

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Vitamin A & D should not be taken by women who are or who may become pregnant, unless advised by a doctor.

About vitamin A & D

Type of medicine	Vitamin
Used for	Vitamin A & D deficiency
Available as	Capsules and liquid

Vitamin D is a fat-soluble vitamin. Deficiency is caused by inadequate exposure to sunlight and low consumption of foods containing vitamin D. The best natural food sources are fish oils such as cod-liver oil and halibut-liver oil.

Vitamin D supplements are given where there is insufficient absorbed naturally from sunlight and diet. It is needed for the maintenance of healthy bones and teeth, and to help boost the immune system. Vitamin D is given in a combination preparation, usually with other vitamins, such as vitamin A.

Vitamin A is also a fat-soluble vitamin. It comes in two forms: retinoids which are found in animal products such as liver, eggs, butter and fish liver oils, and carotenoids which are found in vegetables such as carrots and dark green or yellow vegetables. Our body converts the carotenoids into vitamin A when needed.

Vitamin A deficiency in Britain is rare, however supplements can be used to treat visual (eye) defects and an increased susceptibility to infections. It is also added to a wide range of cosmetic products including anti-aging creams.

Before taking vitamin A & D

Before taking vitamin A & D make sure your doctor or pharmacist knows:

If you are pregnant, trying for a baby or breast-feeding.
If you suffer from kidney, liver or heart problems.
If you know you have high levels of calcium in the blood or urine.
If you have ever had an allergic reaction to this or any other medicine.
If you are taking any other medicines, including those available to buy without a prescription, herbal and complementary medicines.

How to take vitamin A & D

Take your medication exactly as directed by your doctor or pharmacist.
Before beginning treatment, read the manufacturer's printed information leaflet.

Getting the most from your treatment

If you buy any medicines, check with a pharmacist that they are safe to take with your other medicines.
Vitamin A & D must not be taken if you are pregnant, unless advised by a doctor.
Taking vitamin A & D as a general 'pick-me-up' has not been proved to be of value and it can be harmful if more than the recommended dose is taken.

Can vitamin A & D cause problems

Vitamin A & D is unlikely to cause side effects when taken to treat vitamin deficiency at the recommended doses.

The use of large amounts of vitamin A & D, or the taking of vitamin A & D over a long period of time, can cause the following effects: sweating, headache, thirstiness, tiredness, dizziness, stomach upset, irritability, rough skin, dry hair, sore mouth, fever, cracked lips and high blood calcium levels.

If you experience any other worrying symptoms, which you think may be due to this medicine, discuss them with your doctor or pharmacist.

How to store vitamin A & D

Keep all medicines out of the reach of children.
Store in a cool, dry place, away from direct heat and light.

Important information about all medicines

Never take more than the prescribed dose. If you suspect that you or someone else has taken an overdose of this medicine go to the accident and emergency department of your local hospital at once. Take the container with you, even if it is empty.
If you are having any treatment like an operation or dental treatment tell the person carrying out the treatment which medicines you are taking.
This medicine is for you. Never give it to other people even if their condition appears to be the same as yours.
Never keep out of date or unwanted medicines. Take them to your local pharmacy which will dispose of them for you.
If you have any questions about this medicine ask your pharmacist.

References

British National Formulary; 55th Edition (March 2008) British Medical Association and Royal Pharmaceutical Society of Great Britain, London (link to current BNF).

Comprehensive patient resources are available at www.patient.co.uk

DocID:
1512

DocRef:
dils2475

Last Updated:
9 Sep 2008

Date of Next Review:
9 Sep 2010

Version:
22

The authors and editors of this article are employed to create accurate and up to date content reflecting reliable research evidence, guidance and best clinical practice. They are free from any commercial conflicts of interest. Find out more about updating.

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