Charak Samhita
गन्धं रसं स्पर्शमथापि शब्दं रूपं च यद्यत् प्रियमप्यसात्म्यम्। तदेव दद्यात् प्रशमाय तस्यास्तज्जो हि रोगः सुख एव जेतुम्॥४४॥
In general, whatever odor, taste, contact, sound or sights those are pleasing to such patients should be given though otherwise unsuitable and unwholesome because in this way disease can be treated easily
english translation
gandhaM rasaM sparzamathApi zabdaM rUpaM ca yadyat priyamapyasAtmyam। tadeva dadyAt prazamAya tasyAstajjo hi rogaH sukha eva jetum॥44॥
hk transliteration by Sanscript