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Vitamin B

Drug Class: Commonly Known As: Category:
Vitamin B Adult

Vitamin B - What is it for

Vitamin B complex tablets (usually containing B1, B2, B3 & B6) is used to treat or prevent Vitamin B deficiency.

Vitamin B supplements may also be available in various combinations (e.g. B1, B6 & B12) for the nerves, or on its own (e.g. B12) for other indications. Please check with your healthcare professional.

Vitamin B - Side Effects, Precautions, and Contraindications

What side effects can Vitamin B cause?

​Some side effects of Vitamin B may include stomach discomfort (e.g. nausea, passing out gas more often or heartburn)

  • You may reduce the stomach discomfort by taking medication with or after food

The symptoms of a drug allergy include one or more of the following:

  • Swollen face/eyes/lips/tongue
  • Difficulty in breathing
  • Itchy skin rashes over your whole body

If you experience any of these symptoms, you should stop your medication and see your healthcare professional immediately.

Before taking Vitamin B, what precautions must I follow?

​Before starting on this medication, inform your healthcare professional if you:

  • Are allergic to this medication, or any of the other ingredients in this medication
  • Are taking any other medications, including supplements, traditional medications and herbal remedies

What food or medicine must I avoid when I take Vitamin B?

Vitamin B - Dosage and How to Use

How should Vitamin B be used?

  • ​Take this medication as prescribed by your healthcare professional
  • Do not stop taking your medications without checking with your healthcare professional
  • This medication may be taken with or without food
  • This medication is usually taken in the morning, as they may help with energy levels. If it is taken at night or close to bedtime, it might cause wakefulness or alertness.

What should I do if I miss a dose?

​If you miss a dose, take the missed dose as soon as you remember. If it is almost time for your next dose, take only the usual dose. Do not double your dose or use extra medication to make up for the missed dose.

What should I do if I overdose?

Vitamin B - Handling

How should I handle Vitamin B safely?

Vitamin B - Storage

How should I store Vitamin B?

Keep away from children;#Keep in a cool, dry place, away from direct sunlight;#Store at room temperature;#

​Thro away all expired medications

How should I dispose of Vitamin B safely?

​Pack this medication into a black trash bag and seal it tightly before throwing into the rubbish chute or bin.

Vitamin B - Additional Information

  • Updated on Tuesday, December 31, 2019
  • Article contributed by PSS National Medication Information Workgroup PSS National Medication Information Workgroup

    The information provided is not intended as medical advice. Terms of use. Information provided by SingHealth

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