General Information
DEFINITION--Diseases caused by inadequate or absent B vitamins: B-1 (thiamine);
B-2, (riboflavin); niacin; B-6 (pyridoxine); B-12 (cyanocobalamin). Vitamins are organic
chemicals that occur in many natural foods. They are necessary for normal body function. B
vitamins are water soluble and excess amounts cannot be stored by the body.
BODY PARTS INVOLVED--Central nervous system; heart; skin; eyes; blood.
SEX OR AGE MOST AFFECTED--Both sexes; all ages.
SIGNS & SYMPTOMS--
CAUSES
- Malnutrition, including malnutrition incurred from fad diets or malnutrition present in
infants born to malnourished mothers.
- Alcoholism.
- Gastrointestinal diseases with poor absorption.
- Stomach surgery (B-12 deficiency only).
- Use of some medications, such as isoniazid or oral contraceptives, which inactivate
vitamin B-6.
RISK INCREASES WITH
- Adults over 60.
- Improper diet.
- Prolonged illness.
- Pregnancy.
- Smoking (maybe). This decreases absorption of vitamin C and may affect other vitamins.
HOW TO PREVENT
- Eat a well-balanced, nutritious diet.
- Take multiple-vitamin supplements if you cannot eat well.
What To Expect
DIAGNOSTIC MEASURES--
- Your own observation of symptoms.
- Medical history and physical exam by a doctor.
- Laboratory blood studies of vitamin levels.
APPROPRIATE HEALTH CARE
- Self-care after diagnosis.
- Doctor's treatment.
- Hospitalization for severe malnutrition of alcoholism.
POSSIBLE COMPLICATIONS
- Permanent brain or nerve damage.
- Severe heart disease.
PROBABLE OUTCOME--Prompt recovery if vitamin B deficiency is treated with proper
nutrition and oral supplements in the early stages. Without treatment, severe malnutrition
can cause permanent disability or death.
How To Treat
GENERAL MEASURES----No specific instructions except those listed under other
headings.
MEDICATION--Your doctor may prescribe vitamin supplements, depending on the type
of deficiency. Don't take more than the prescribed amount. Excessive doses of vitamin B-6
can cause the same symptoms produced by deficiency.
ACTIVITY--No restrictions.
DIET--No special diet. Prepare well-balanced meals. Don't overcook food or
expose it to the air for prolonged periods--these destroy vitamins. Use fresh fruits,
vegetables and meats rather than processed foods, if possible.
Call Your Doctor If
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