167. A health hazard term listed on a Safety Data Sheet (SDS) that indicates allergic-like reaction in some people after repeated exposure is __________.

A sensitizer is defined as a substance causing allergic-like reactions after repeated exposure, aligning with the question's description. Pyrophoric hazards involve spontaneous ignition, skin contact hazards are general skin damage, and oxidizers enhance combustion; these do not specifically describe allergic reactions from repeated exposure.