Source: Tafsir al-Ahlam al-Kabir (Ibn Sirin)
A nosebleed in a dream indicates unlawful money. If the blood is thin, it is money from a ruler. If it is thick, it is a miscarriage.
Source: Ta'tir al-Anam fi Ta'bir al-Manam (Al-Nabulsi)
A nosebleed indicates health of the body. It may also indicate worry from a superior.
Source: Al-Isharat fi Ilm al-Ibarat (Ibn Shahin)
A nosebleed is interpreted as wealth. Whoever sees himself having a nosebleed will gain wealth proportional to the blood.