Source: Tafsir al-Ahlam al-Kabir (Ibn Sirin)
Fever in a dream indicates payment of debt and long life. It is the messenger of the Angel of Death. Whoever sees himself feverish is delving into sin.
Source: Ta'tir al-Anam fi Ta'bir al-Manam (Al-Nabulsi)
Fever indicates the fulfillment of a promise. For the sick, it is death.
Source: Al-Isharat fi Ilm al-Ibarat (Ibn Shahin)
Fever is interpreted as worry and grief. Whoever sees himself feverish will be afflicted with worry.