69. Narrated Aboo Huraira (radhi Allaahu anhu) : The Prophet (Sallallaahu Alaihi Wasallam) said,
Whoever purposely throws himself from a mountain and kills himself, will be in the (Hell) Fire falling down into it and abiding therein perpetually forever; and whoever drinks poison and kills himself with it, he will be carrying his poison in his hand and drinking it in the (Hell) Fire wherein he will abide forever, and whoever kills himself with an iron weapon, will be carrying that weapon in his hand and stabbing his abdomen with it in the (Hell) Fire wherein he will abide eternally forever.
[Saheeh Al-Bukhaari, Hadeeth No. 670, Vol. 7]
Source : The Book of Belief : Chapter 45 – The mention (about) the serious prohibition of committing suicide, and whosoever commits suicide with anything will be tortured with that very thing in the (Hell) Fire, and none will enter Paradise but a Muslim. Al-Lulu Wal-Marjan,Compiled by : Fuwad Abdul-Baqi,Translated by : Dr. Muhammad Muhsin Khan
Must Read !! – The above hadeeth needs to understood in the light of ther authentic hadeeth
Shaykh Ibn Baaz (may Allaah have Mercy on him) was asked, “If someone commits suicide because of certain situations in his life and other factors that make it difficult for him to live and provide for his family, does this mean that he will abide eternally in Jahannam (the Fire)?”
Read the answer @ The Major Scholars of Today Clarify the Ruling on the Muslim who Commits Suicide – troid.ca