(100) باب كَمْ مَرَّةٍ يُشَمَّتُ الْعَاطِسُ
Narrated AbuHurayrah:
Respond three times to your brother when he sneezes, and if he sneezes more often, he has a cold in his head. (RU)
Reference (RU): Sunan Abi Dawud 5034 (RU)
In-book reference (RU): Book 43, Hadith 262 (RU)
English translation (RU): Book 42, Hadith 5016 (RU)