A Palestinian detainee who slipped into unconsciousness last week after a two-month hunger strike has woken up and says he will continue his protest.

Lawyer Jawad Bullos said Mohammed Allan vowed to "hunger strike until he is freed" after he woke up Tuesday.

Allan is refusing medication but is accepting vital fluids and supplements until Israel's Supreme Court rules on his case Wednesday. Allan said he will stop drinking water if he is not released.

Allan began his strike 64 days ago to protest being held in administrative detention, a measure allowing authorities to hold suspects for months without charge.

Israel says he is being held for his activities in Islamic Jihad, a Palestinian militant group.