Mukhtasar Muslim

It is narrated from Iyas bin Salamah that his father (Sayyiduna Salamah bin Akwa’ رضي الله عنه) heard the Noble Prophet صلى الله عليه وسلم, that a man sneezed in the presence of the Prophet صلى الله عليه وسلم, so the Prophet صلى الله عليه وسلم said, "Yarhamuk Allah (may Allah have mercy on you)." Then he sneezed again, so the Prophet صلى الله عليه وسلم said, "He has caught a cold." (That is, if someone is sneezing due to a cold, up to what point should one say "Yarhamuk Allah" to him?)