Source: Tafsir al-Ahlam al-Kabir (Ibn Sirin)
Healing from sickness in a dream indicates repentance from sins, relief after hardship, release from prison, and payment of debt. It is righteousness in religion and worldly life.
Source: Ta'tir al-Anam fi Ta'bir al-Manam (Al-Nabulsi)
Healing indicates righteousness in religion and worldly life. For the poor, it is wealth; for the worried, relief; and for the captive, salvation. Whoever sees that he has been cured of his illness will be saved from strife or heresy.
Source: Al-Isharat fi Ilm al-Ibarat (Ibn Shahin)
Healing is interpreted as salvation from hardships, payment of debts, and emerging from worries. For the sinner, it is repentance, and for the believer, an increase in faith.