Drugs prescribed folic acid in preparation for pregnancy, after severe diseases, when diagnosed with anemia on the background of lack of vitamin B9, chemotherapy, after surgery on the gastrointestinal tract, dysbacteriosis. Also take folic acid should, if concerned about frequent colds, viral infections, with General weakness and constant sleepiness, after extensive intoxication of alcoholic beverages or narcotic drugs, salts of heavy metals.
The intake of vitamin B9 for prevention of these diseases and conditions are assigned in the dose of 50 mg daily morning after Breakfast for 3-4 weeks. After a ten-day break, the course of prevention, you can repeat. During the year, you can spend 6 courses, taking folic acid in the form of tablets or capsules.
If the patient takes a multivitamin, then assign the additional intake of folic acid only if a number of therapeutic indications. For example, in preparation for pregnancy dose of folic acid should be 400 mcg is equal to and acceptance in the form of a multivitamin does not make up for the required dose. In the first trimester of pregnancy need to take vitamin B9 in a dose of 300-400 mg. Lactation reduce the dose of 200 mcg, the ways of intake recommended by the physician. Usually prescribed four-week courses with a break of one week.
If the patient undergoes radiation or chemotherapy, the intake of folic acid is designated for the entire duration of therapy and additionally within three months after withdrawal of exposure.
In the gastro-intestinal diseases, after surgery, folic acid is administered as an injection, since oral administration does not result due to the fact that the drug is not absorbed by the body.
After acute poisoning, administered 400 mcg of folic acid in the form of intramuscular injections for three months.
When dysbiosis prescribe vitamin B9 in the form of injections or orally with the simultaneous application of bifidobacteria and lactobacilli.
The intake of foods rich in folic acid, replenishes its supply only if you need to carry out preventive methods. A large amount of acid contained in green salads, cereals, bran, nuts, oranges, bananas, baking yeast. For therapeutic purposes to replenish vitamin B9 only products impossible.