‏اللباس والزينة‏ : Hadeeth No:5170 Anas reported that Allaah's Messenger (sallAllaahu alayhi wa sallam) granted concession, or Zubair b. Awwam and 'Abd Al-Rahman b. Auf were granted concession, for the wearing of silk because of the itch that they both had....

‏الزهد والرقائق‏ : Hadeeth No:7074 This hadith has been narrated on the authority of Isma'il b. Khalid with the same chain of transmitters and the words are:" One amongst us would relieve himself as the goats do without anything mixing with its excrement."...