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The Leucovorin Approval: Hope, Confusion, and What Autism Parents Should Actually Know

Why the headlines sound like a breakthrough and what the science actually says for autism families.

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The Spectrum Dispatch
Mar 14, 2026
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Photo by Peter Burdon on Unsplash

In the past few days, many autism parents have started seeing headlines about Leucovorin being approved by the FDA for autism. The reaction online has ranged from excitement to skepticism to outright confusion. Honestly, all of those reactions make sense. Because when you look beyond the headlines, the story behind Leucovorin and what this approval actually means is far more nuanced than it first appears.

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Leucovorin, also known as folinic acid, is not a new drug. It has been used for decades in medicine, most commonly to reduce the side effects of chemotherapy or to treat certain types of folate deficiencies. In autism circles, however, the medication has been quietly discussed for years. Some physicians have prescribed it off-label for children with autism based on research connected to something called Folate Receptor Alpha Autoanti…

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