Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
Qurʾān Bukhārī Muslim Nasāʾī Abū Dāwūd Tirmidhī Ibn Mājah Mālik Aḥmad Dārimī Ḥākim Ibn Ḥibbān Ṭabarānī Nasāʾī's Kubrá Bayhaqī al-Luʾluʾ wa-al-Marjān Ibn Rajab's Fifty Riyāḍ al-Ṣāliḥīn Aḥmad's Zuhd Suyūṭī
ahmad:581 – ʿAbdullāh > Abū Ibrāhīm al-Tarjumānī > al-Faraj b. Faḍālah > Muḥammad b. ʿAbdullāh b. ʿAmr b. ʿUthmān > Ummih Fāṭimah b. Ḥusayn > Ḥusaynʿan Abīh

“Do not stare at lepers, and if you speak to them, let there be a distance of a spear between you and them.”  

أحمد:٥٨١ – حَدَّثَنَا عَبْدُ اللهِ حَدَّثَنِي أَبُو إِبْرَاهِيمَ التَّرْجُمَانِيُّ حَدَّثَنَا الْفَرَجُ بْنُ فَضَالَةَ عَنْ مُحَمَّدِ بْنِ عَبْدِ اللهِ بْنِ عَمْرِو بْنِ عُثْمَانَ عَنْ أُمِّهِ فَاطِمَةَ بِنْتِ حُسَيْنٍ عَنْ حُسَيْنٍعَنْ أَبِيهِ

عَنِ النَّبِيِّ ﷺ قَالَ لَا تُدِيمُوا النَّظَرَ إِلَى الْمُجَذَّمِينَ وَإِذَا كَلَّمْتُمُوهُمْ فَلْيَكُنْ بَيْنَكُمْ وَبَيْنَهُمْ قِيدُ رُمْحٍ  

See similar narrations below:

Collected by Suyūṭī
suyuti:24733a –
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السيوطي:٢٤٧٣٣a –

"لا تُدِيمُوا النَّظَرَ إِلَى الْمَجْذُومِينَ، وَإِذا كَلَّمْتُمُوهُم فَلْيَكُنْ بَينكُمْ وَبَينَهُمْ قَدْرُ رُمْحٍ".  

[عم] زيادات عبد الله بن أحمد [ع] أبو يعلى [طب] الطبرانى في الكبير وابن جرير عن فاطمة بنت الحسين عن أبيها، ابن عساكر عن فاطمة عن الحسين وابن عباس معا