Folic acid - oral

Patient Medicine Information
Why do I need this medicine?
Folic acid is used to treat and prevent folate deficiency. This vitamin is used to treat megaloblastic and macrocytic anaemia (low red blood cell count).

This vitamin may be used to prevent folic acid deficiency caused by red blood cell disorder, or kidney dialysis.

Folic acid may also be used in women of child-bearing age and pregnant women to prevent neural tube defect (birth defects of the brain, spine or spinal cord) in their offspring.

This vitamin may be used to treat other conditions as decided by your doctor.
How do I take this medicine?
Take Folic acid exactly as directed by your doctor or according to the instructions on the label. Do not take more than instructed by your doctor.

You may take this vitamin with or without food. Try to take it at the same time each day.
What should I do if I have forgotten to take this medicine?
Take the missed dose as soon as you remember. If it is almost time for your next dose, skip the missed dose and return to your normal dosing schedule.

DO NOT double a dose under any circumstances.

If you often forget to take your medicine, let your doctor and pharmacist know.
When should I not use this medicine?
Alert your doctor if you have the following conditions:
  • anaemia associated with vitamin B12 deficiency (e.g. pernicious anaemia, megaloblastic anaemia). 
  • malignant disease (e.g. cancer)
  • vitamin B12 deficiency 
as this medicine may not be suitable for you.
What side effects could I experience?
Folic acid may cause any of the following side effects: malaise (feeling of illness, discomfort or uneasiness), redness of the skin, rash, itching, and difficulty breathing.

Other side effects include any of the following: nausea, stomach pain, flatulence.

Inform your doctor if any of these side effects do not go away or are severe, or if you experience other side effects.
Can I take this with other medicines?
Inform your doctor and pharmacist if you are taking any of these medicines:
  • medicines for epilepsy (fits or seizure) e.g. phenytoin, phenobarbital, sodium valproate, carbamazepine
  • antibiotics e.g. chloramphenicol, co-trimoxazole
  • medicines for stomach e.g. sulfasalazine
  • medicine for cancer e.g. methotrexate, fluouracil
This list does not include all medicines that may interact with Folic acid.

Always notify your doctor and pharmacist if you are taking any other medicines, including herbal tonics such as traditional Chinese medicines, supplements and medicines that you buy without a prescription.
What special dietary instructions should I follow?
Avoid alcohol.
How should I store this medicine?
Store in a cool, dry place away from the reach of children.

Medicines must not be used past the expiry date.
This information is independently developed by MIMS based on folic acid - oral and is provided for your reference only. It is not a replacement for and should only be used in conjunction with full consultation with a licensed healthcare professional, the information provided by your pharmacist and/or the manufacturer of the medication. It may not contain all the available information you require and cannot substitute professional medical care, nor does it take into account all individual circumstances. Although great effort has been made to ensure content accuracy, we shall not be held responsible or liable for any claims or damages arising from the use or misuse of the information contained herein, its contents or omissions, or otherwise. Copyright © 2022 MIMS. All rights reserved. Powered by
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