Are drugs and other intoxicants haram?

Haram Food & drink Quran · 2 Hadith · 2

Short answer

Yes. Substances that intoxicate or cloud the mind, such as narcotics, fall under the ruling of khamr because they share its reason: they take away the mind and cause harm. The Quran also warns against destroying oneself (4:29).

Evidence

Quran

يَٰٓأَيُّهَا ٱلَّذِينَ ءَامَنُوٓا۟ إِنَّمَا ٱلْخَمْرُ وَٱلْمَيْسِرُ وَٱلْأَنصَابُ وَٱلْأَزْلَٰمُ رِجْسٌۭ مِّنْ عَمَلِ ٱلشَّيْطَٰنِ فَٱجْتَنِبُوهُ لَعَلَّكُمْ تُفْلِحُونَ ﴿٩٠﴾

O ye who believe! Strong drink and games of chance and idols and divining arrows are only an infamy of Satan's handiwork. Leave it aside in order that ye may succeed.

يَٰٓأَيُّهَا ٱلَّذِينَ ءَامَنُوا۟ لَا تَأْكُلُوٓا۟ أَمْوَٰلَكُم بَيْنَكُم بِٱلْبَٰطِلِ إِلَّآ أَن تَكُونَ تِجَٰرَةً عَن تَرَاضٍۢ مِّنكُمْ ۚ وَلَا تَقْتُلُوٓا۟ أَنفُسَكُمْ ۚ إِنَّ ٱللَّهَ كَانَ بِكُمْ رَحِيمًۭا ﴿٢٩﴾

O ye who believe! Squander not your wealth among yourselves in vanity, except it be a trade by mutual consent, and kill not one another. Lo! Allah is ever Merciful unto you.

Hadith

1 Sahih Muslim 2003a

Ibn 'Umar reported Allah's Messenger (ﷺ) as saying:Every intoxicant is Khamr and every intoxicant is forbidden. He who drinks wine in this world and dies while he is addicted to it, not having repented, will not be given a drink in the Hereafter

Arabic text (with chain of narrators)

حَدَّثَنَا أَبُو الرَّبِيعِ الْعَتَكِيُّ، وَأَبُو كَامِلٍ قَالاَ حَدَّثَنَا حَمَّادُ بْنُ زَيْدٍ، حَدَّثَنَا أَيُّوبُ، عَنْ نَافِعٍ، عَنِ ابْنِ عُمَرَ، قَالَ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم ‏ "‏ كُلُّ مُسْكِرٍ خَمْرٌ وَكُلُّ مُسْكِرٍ حَرَامٌ وَمَنْ شَرِبَ الْخَمْرَ فِي الدُّنْيَا فَمَاتَ وَهُوَ يُدْمِنُهَا لَمْ يَتُبْ لَمْ يَشْرَبْهَا فِي الآخِرَةِ ‏"‏ ‏.‏

Read it in the hadith library

2 Sunan Abi Dawud 3681 Grade: Al-Albani: Hasan Sahih · Muhammad Muhyi Al-Din Abdul Hamid: Hasan Sahih · Shuaib Al Arnaut: Sahih Lighairihi · Zubair Ali Zai: Isnaad Hasan

Narrated Jabir ibn Abdullah: The Prophet (ﷺ) said: If a large amount of anything causes intoxication, a small amount of it is prohibited

Arabic text (with chain of narrators)

حَدَّثَنَا قُتَيْبَةُ، حَدَّثَنَا إِسْمَاعِيلُ، - يَعْنِي ابْنَ جَعْفَرٍ - عَنْ دَاوُدَ بْنِ بَكْرِ بْنِ أَبِي الْفُرَاتِ، عَنْ مُحَمَّدِ بْنِ الْمُنْكَدِرِ، عَنْ جَابِرِ بْنِ عَبْدِ اللَّهِ، قَالَ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم ‏ "‏ مَا أَسْكَرَ كَثِيرُهُ فَقَلِيلُهُ حَرَامٌ ‏"‏ ‏.‏

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This is general information, not a fatwa. For your own situation, ask a qualified scholar.