The theory behind leucovorin's use for autism postulates that some children have a blockage in the transport of folic acid ...

But if you take too much (more than 1,000 micrograms, or the daily upper limit), you can have negative side effects. Though ...

These effects are usually temporary and may disappear ... If your brand of multivitamin also contains folic acid, be sure to tell your doctor or pharmacist if you take certain anti-seizure drugs ...

Leucovorin, a drug for chemo side effects, may aid speech in nonverbal autistic children by allowing folic acid into the ...

If your doctor has prescribed this medication, remember that your doctor has judged that the benefit to you is greater than the risk of side effects ... also contains folic acid, be sure to ...

The bottom line? Approach with caution and manage expectations. Are there any adverse side effects of taking folic acid? As with any supplement, it’s important to proceed with care.