Anas narrated "Some people from Urainah arrived in Al-Madinah, and they were uncomfortable (with the climate). So the Messenger of Allah (s.a.w) sent them some camels from charity. He told them:
"Drink from their milk and Urine". (FR)
English reference (FR): Vol. 4, Book 2, Hadith 2042 (FR)
Arabic reference (FR): Book 28, Hadith 2177 (FR)