WASHINGTON (AP) — Doctors treating Secretary of State Hillary Rodham Clinton for a blood clot in her head said blood thinners are being used to dissolve the clot and they are confident she will make a full recovery.

Clinton didn't suffer a stroke or neurological damage from the clot that formed after she suffered a concussion during a fainting spell at her home in early December, doctors said in a statement Monday.

Clinton, 65, was admitted to New York-Presbyterian Hospital on Sunday when the clot turned up on a follow-up exam on the concussion, Clinton spokesman Phillipe Reines said.

The clot is located in the vein in the space between the brain and the skull behind the right ear. She will be released once the medication dose for the blood thinners has been established, the doctors said.

In their statement, Dr. Lisa Bardack of the Mount Kisco Medical Group and Dr. Gigi El-Bayoumi of George Washington University said Clinton was making excellent progress and was in good spirits.

Clinton's complication "certainly isn't the most common thing to happen after a concussion" and is one of the few types of blood clots in the skull or head that are treated with blood thinners, said Dr. Larry Goldstein, a neurologist who is director of Duke University's stroke center. He is not involved in Clinton's care.

The area where Clinton's clot developed is "a drainage channel, the equivalent of a big vein inside the skull. It's how the blood gets back to the heart," Goldstein said.