283. During the intermediate days of the Festivals everything necessary for the well-being of a person may be done even for a minor illness or complaint or for the purposes of prevention.
284. It is preferable not to make medical or dental appointments for routine examinations.
 Orach Chayyim 632:2; Mishnah Berurah 632:5; Shemirat Shabbat Kehilchata 66:20.
 Shemirat Shabbat Kehilchata 66, note 88; Resp. Iggerot Moshe Orach Chayyim 3:78.