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Vitamina A

Vitamin A supplements are taken to prevent vitamin A deficiency (although this is rare in the UK).

You should not take vitamin A supplements if you are pregnant.

A colpo d'occhio

  • Vitamin A is important for healthy eyes, good eyesight, healthy skin, and fighting infections.

  • It is available as capsules or drops, often with other vitamins.

  • Your doctor may recommend vitamin A supplements for deficiency or risk of deficiency.

  • Do not take vitamin A supplements if you are pregnant or breastfeeding, unless prescribed.

  • Foods like eggs, milk, liver, and fish-liver oils contain vitamin A.

  • Always follow the recommended dose and read the manufacturer's leaflet.

About vitamin A

Tipo di medicinale

Vitamina A

Utilizzato per

To prevent or treat vitamin A deficiency

Chiamato anche

Retinol

Disponibile come

Capsules or drops (multivitamin)

Vitamin A is a vitamin which is important for healthy eyes, good eyesight and a healthy skin. It also helps you to fight infections.

Your doctor may recommend that you (or your child) take a supplement of vitamin A if you cannot get sufficient from your normal diet, or if you are at risk of carenza di vitamina A for some other reason. Vitamin A supplements usually contain other vitamins also, such as vitamin D and vitamin C. They are available to buy without a prescription.

Before taking vitamin A

To make sure that this is the right treatment for you, before you start taking vitamin A it is important that you speak with your doctor or pharmacist:

  • If you are pregnant, trying for a baby or breastfeeding. This is because you are advised fare affidamento to take vitamin A supplements during pregnancy or if you are breastfeeding, unless prescribed by a doctor.

  • Se hai mai avuto una reazione allergica a un medicinale.

  • If you are taking other medicines, including those available to buy without a prescription, as well as herbal and complementary medicines. It is particularly important that you say if you are taking a retinoid preparation (such as isotretinoin) for a skin condition.

How to take vitamin A

  • Before you start taking a vitamin A supplement, please read the manufacturer's printed information leaflet from inside the pack.

  • Vitamin supplements are usually taken once a day. Your doctor, pharmacist or health visitor will tell you how much you (or your child) should take. The dose will also be on the label of the pack. You can take vitamin supplements at whatever time of day you find easiest to remember. They can be taken either before or after meals.

  • Do not take more than the dose which has been recommended or prescribed.

Ottenere il massimo dal tuo trattamento

  • Foods that contain vitamin A are eggs, milk, liver and fish-liver oils. Another substance called beta-carotene (which is found in green leafy and orange/yellow vegetables and fruits) can be converted by your body into vitamin A and so is also a good source. Try to regularly include some of these foods in your meals.

  • Just a reminder that you should not take vitamin A supplements if you are (or think you may be) pregnant. This includes taking fish-liver oil preparations. This is because there is evidence to suggest that high levels of vitamin A can cause problems in babies. Also, you should not eat liver or liver-containing foods such as liver pâté or liver sausage because they too contain a lot of vitamin A.

  • Before buying or taking any 'over-the-counter' medicines, please check with a pharmacist which medicines are safe for you to take alongside vitamin A.

Can vitamin A cause problems?

Although vitamin A is unlikely to cause any side-effects at the recommended doses, large overdoses can be associated with unwanted effects. If you experience any symptoms which you think may be due to the medicine, speak with your doctor or pharmacist for further advice.

How to store vitamin A

  • Tenere tutti i medicinali fuori dalla portata e dalla vista dei bambini.

  • Conservare in un luogo fresco e asciutto, lontano da fonti di calore e luce diretta.

Informazioni importanti su tutti i medicinali

Informazioni importanti su tutti i medicinali

Se devi sottoporti a un'operazione o a un trattamento dentistico, informa la persona che esegue il trattamento sui medicinali che stai assumendo.

Never take more than the prescribed dose. If you suspect that you or someone else might have taken an overdose of this medicine, go to the accident and emergency department of your local hospital for advice. Take the container with you, even if it is empty.

Questo medicinale è per te. Non darlo ad altre persone anche se la loro condizione sembra essere la stessa della tua.

Non conservare medicinali scaduti o indesiderati. Portali alla tua farmacia locale che li smaltirà per te.

If you have any questions about the medicine ask your pharmacist.

Segnala effetti collaterali di un medicinale o vaccino

Se si verificano effetti collaterali, è possibile segnalarli online tramite il Sito web Yellow Card.

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Domande frequenti

What are the main benefits of taking vitamin A?

Vitamin A is an important vitamin that helps maintain healthy eyes and good eyesight. It also contributes to healthy skin and plays a role in helping your body fight off infections.

Can I buy vitamin A supplements without a prescription?

Yes, vitamin A supplements are available to buy without a prescription. They often come as part of a multivitamin mixture, also containing other vitamins like vitamin D and vitamin C.

Is it safe to consume foods rich in vitamin A if I am pregnant?

If you are pregnant, you should not eat liver or foods containing liver, such as liver pâté or liver sausage, because they contain very high levels of vitamin A, which can cause problems for babies. You should also avoid fish-liver oil preparations. Always consult your doctor or pharmacist if you are pregnant or think you might be.

How can I ensure I am taking the correct dose of vitamin A?

Before you start, make sure to read the manufacturer's leaflet inside the pack. Your doctor, pharmacist, or health visitor will advise you on the correct dosage, and this information will also be printed on the label of the packaging. Do not take more than the recommended or prescribed amount.

Can vitamin A supplements interact with other medications I am taking?

Yes, vitamin A can interact with other medicines. It's particularly important to tell your doctor or pharmacist if you are taking any retinoid preparations, such as isotretinoin, for a skin condition, or any other medicines, including over-the-counter, herbal, or complementary remedies.

Ulteriori letture e riferimenti

Informazioni sull'autoreVisualizza il profilo completo

Immagine dell'autore

Michael Stewart, MRPharmS

Responsabile Revisione Foglietti Illustrativi – Contrattista, Farmacista

BPharm (Hons), MRPharmS

Michael è un farmacista comunitario che esercita nelle Midlands e nel South Yorkshire con oltre 20 anni di esperienza nel consigliare su farmaci e condizioni mediche. Ha una solida esperienza nella formazione sanitaria, avendo prodotto e tenuto corsi di formazione per team di farmacia e personale di strutture di assistenza residenziale, inclusi infermieri. Ha anche contribuito a consigli consultivi farmaceutici per la gestione di condizioni a bassa gravità nella comunità.

Informazioni sul recensore

Immagine dell'autore

Sid Dajani

Sultan Dajani si è laureato alla London School of Pharmacy nel 1994 ed è diventato il più giovane membro eletto del consiglio della Royal Pharmaceutical Society dalla sua fondazione nel 1842.

Storia dell'articolo

Le informazioni su questa pagina sono scritte e revisionate da clinici qualificati.

  • Prossima revisione prevista: 9 Ott 2027
  • 5 Ott 2024 | Ultima versione

    Ultimo aggiornamento di

    Michael Stewart, MRPharmS

    Revisione paritaria di

    Sid Dajani
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