Vitamin a - oral
Vitamin a - oral
Vitamin A is used to prevent or treat low levels of the vitamin in people who do not get enough of it from their diets. Most people who eat a normal diet do not need extra vitamin A. However, some conditions (such as protein deficiency, diabetes, hyperthyroidism, liver/pancreas problems) can cause low levels of vitamin A. Vitamin A plays an important role in the body. It is needed for growth and bone development and to maintain the health of the skin and eyesight. Low levels of vitamin A may cause vision problems (such as night blindness) and permanent eye damage.
Take this vitamin by mouth with or without food, usually once daily. Follow all directions on the product package, or take as directed by your doctor. If you are uncertain about any of the information, consult your doctor or pharmacist.
If you are using the liquid form of this medication, carefully measure the dose using a special measuring device/spoon. Do not use a household spoon because you may not get the correct dose.
Dosage is based on your age, medical condition, and response to treatment.
Use this vitamin regularly to get the most benefit from it. To help you remember, take it at the same time each day. Do not increase your dose or use this vitamin more often than recommended. Your condition will not improve any faster, and your risk of side effects will increase.
Tell your doctor if your condition persists or worsens. If you think you may have a serious medical problem, seek immediate medical attention.
This vitamin usually has no side effects when used in recommended doses. If you have any unusual effects, contact your doctor or pharmacist promptly.
A very serious allergic reaction to this vitamin is rare. However, seek immediate medical attention if you notice any symptoms of a serious allergic reaction, including:
This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.
In the US -
Before taking vitamin A, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies. This product may contain inactive ingredients (such as soy found in some brands),which can cause allergic reactions or other problems. Talk to your pharmacist for more details.
During pregnancy, this vitamin has been found to be safe only when used in recommended doses. It must not be used in doses that are higher than recommended because doing so may harm an unborn baby. Consult your doctor for more details.
This vitamin passes into breast milk and is considered safe during breast-feeding when used in recommended doses. Consult your doctor for more information.
The effects of some drugs can change if you take other drugs or herbal products at the same time. This can increase your risk for serious side effects or may cause your medications not to work correctly. These drug interactions are possible, but do not always occur. Your doctor or pharmacist can often prevent or manage interactions by changing how you use your medications or by close monitoring.
To help your doctor and pharmacist give you the best care, be sure to tell your doctor and pharmacist about all the products you use (including prescription drugs, nonprescription drugs, and herbal products) before starting treatment with this product. While using this product, do not start, stop, or change the dosage of any other medicines you are using without your doctor's approval.
Some products that may interact with this vitamin include:
Avoid taking vitamin A at the same time as you take neomycin, orlistat, and mineral oil. If you take any of these medications, separate your doses from your dose of vitamin A by at least 2 hours.
This document does not contain all possible drug interactions. Keep a list of all the products you use. Share this list with your doctor and pharmacist to lessen your risk for serious medication problems.
If someone has overdosed and has serious symptoms such as passing out or trouble breathing, call 911. Otherwise, call a poison control center right away. US residents can call their local poison control center at 1-800-222-1222. Canada residents can call a provincial poison control center. Symptoms of overdose may include: severe headache, tiredness, dizziness, mental/mood changes (such as irritability, depression), vision changes (such as double vision, blurred vision), dry/peeling skin, bone/joint pain, loss of appetite, yellowing skin/eyes, dark urine, severe stomach/abdominal pain.
This product is not a substitute for a proper diet. It is best to get your vitamins from healthy foods. Vitamin A is commonly found in fruits (such as apricots, oranges, peaches), vegetables (such as carrots, sweet potatoes, spinach), dairy products, and eggs, among others. Consult your doctor, pharmacist, or nutritionist for more details.
If you miss a dose, take it as soon as you remember. If it is near the time of the next dose, skip the missed dose. Take your next dose at the regular time. Do not double the dose to catch up.
Different brands of this vitamin have different storage needs. Check the product package for instructions on how to store your brand, or ask your pharmacist. Do not store in the bathroom. Keep all medicines away from children and pets.
Information last revised June 2018.
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