Folic Acid Overdose Symptoms

Folic acid, also called vitamin B9, is a member of the vitamin B family. Folic acid, like other vitamins is not produced naturally by the body and has to be provided on a timely basis, to the body from outside sources. It is important for the functioning of various body processes, such as production of new cells, metabolism of proteins, etc. Thus, it is a vitamin very important to the body, especially during pregnancy for proper development of the fetus. Foods rich in folic acid are legumes, dark green leafy vegetables, broccoli, Brussels sprouts, whole grains, pork, etc. Cereals fortified with folic acid are also available today. Though folic acid is available in these food items naturally, consumption of an unhealthy diet can lead to folic acid deficiency. To counter this deficiency, folic acid supplements are taken by people. However, an overdose of folic acid can lead to some health issues. Folic acid overdose symptoms are not life-threatening, however, they have to be taken care of as soon as possible.

Folic Acid Dosage

Under normal circumstances, people do not develop folic acid deficiency. Chronic alcoholics, people with digestive tract problems, liver diseases, those undergoing kidney dialysis, etc. can suffer from folic acid deficiency and will require folic acid supplementation. People with pernicious anemia may also be given folic acid in combination with other medication. Moreover, pregnant and breastfeeding women require high levels of folic acid. Folic acid dosage will depend on the health condition of a person. For example, a healthy person requires 400 mcg per day. Children between the age of 1-13 range need about 150 mcg to 300 mcg of folic acid per day. About 600 mcg of folic acid is required by pregnant and breastfeeding women. Folic acid dosage for folic acid deficient people will range from 400 mcg to 1000 mcg. These doses are just approximations; the exact dosage amount will depend on the deficiency and health condition of a person.

Folic Acid Overdose Symptoms

Folic acid overdose is not known to have any deleterious effect on the human body. Folic acid is a vitamin and like all other vitamins, the excess folic acid ingested is flushed out or excreted in the urine, without conducing to any health problems. However, consumption of more than 1000 mcg on a daily basis, for a long period of time, can result in some problems. Some of the symptoms of folic acid overdose are as follows:

• Diarrhea
• Insomnia
• Digestive problems (such as nausea or gas)
• Rash
• Zinc deficiency
• Numbness in the mouth or tongue
• Fatigue
• Inability to concentrate
• Psychotic behavior
• Bitter taste in the mouth
• Irritability, excitability, or hyperactivity
• Reduced appetie
• Insomnia
• Depression
• Seizures
• Allergic reactions like swelling on face, throat, lips or tongue.

Moreover, high doses of folic acid can also mask a vitamin B12 deficiency. Folic acid from the supplement will treat the anemia caused by the vitamin B12 deficiency, however, the nerve damage associated with the deficiency will go undetected. An overdose of folic acid is also seen to inactivate the effect of anti-epilepsy medication. This means folic acid is indirectly harming the body, by not allowing the detection of another deficiency. High dose of folic acid is also feared to increase risks of heart attacks in people with heart diseases.

Treatment of folic acid overdose will depend on the folic acid overdose symptoms caused. For example, if the symptom caused due to overdose is diarrhea, then supportive treatment for this condition will include medication for diarrhea. If seizures or psychotic behavior is the symptom, then corresponding medicines are given. If you feel you are experiencing an overdose of folic acid, seek medical attention immediately.