It is narrated from Sayyiduna Ibn Amr, may Allah be pleased with him, that the Noble Prophet, peace and blessings be upon him, said: "When a person goes to visit a sick person, he should supplicate: O Allah, grant Your servant healing so that he may take revenge on Your enemy and be able to walk to prayer."
Hadith Referenceمسند احمد / مسند المكثرين من الصحابة / 6600
Hadith Gradingحکم دارالسلام:إسناده ضعيف، ابن لهيعة - وإن كان سييء الحفظ- قد توبع، لكن تبقي العلة فى حيي بن عبد الله، فهو ضعيف إذا انفرد