About Vitamin DeficiencyVitamin deficiencies happen when the diet does not provide enough vitamins, or the body cannot absorb them well. Common ones include vitamin B12, folate, vitamin C and vitamin D.Symptoms depend on the vitamin and can include tiredness, weakness, numbness and tingling (B12), mouth ulcers, bleeding gums (vitamin C) and bone pain (vitamin D).Medicines used for Vitamin DeficiencyDeficiencies are corrected with targeted supplements such as mecobalamin (vitamin B12), folic acid, vitamin C or multivitamins, together with a balanced diet. Some people, such as older adults, vegetarians and people taking metformin long term, need regular checks.When to see a doctorAsk a doctor for a blood test if you have persistent tiredness or numbness, and avoid taking very high doses of vitamins without advice.This page is for general information only. Many of these medicines need a prescription; please use them only on the advice of a doctor or pharmacist, who can choose the right medicine and dose for you.
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