What Breaks Wudu? A Clear Guide to Nullifiers
Wudu remains valid until something invalidates it. This guide lists what breaks wudu according to the well-known rulings, and — just as importantly — what does not. Where the schools differ, the difference is noted: this is educational summary, not a ruling for your particular situation.
The generally agreed nullifiers
Most scholars agree that wudu is invalidated by the following:
- The passing of urine, stool or wind.
- Anything that flows out of the body beyond a small, excusable amount (some schools specify that small amounts do not nullify).
- Deep sleep in which one loses awareness (light dozing that does not remove awareness is different — see below).
- Loss of consciousness from fainting, intoxication or illness.
- Touching the genitals directly with the bare hand without a barrier — a point on which the schools differ in detail.
Where the schools differ
Fiqh schools do not agree on every nullifier, which is worth knowing so you are not surprised by differing advice:
- Eating food touched by fire — an old Hanafi position that other schools do not hold.
- Touching the skin of a person of the opposite sex — the Shafi'i school holds it nullifies; Hanafi and Hanbali schools do not (with nuances).
- Touching one's own genitals — Hanafi and Maliki scholars differ on whether this nullifies wudu.
- Vomiting — many Hanafi scholars say a mouthful nullifies wudu; other schools do not.
What does NOT break wudu
Everyday things that cause doubt but do not nullify wudu include:
- Light sleep or dozing while still aware (with differing definitions between schools).
- Touching things, food, animals or clothing.
- Doubt itself: if you are unsure whether something happened, the majority guidance is that purity is not broken by doubt.
When in doubt, check with a scholar
Nullifiers are the kind of fiqh detail where the schools differ and personal circumstances matter. When you are uncertain in practice, ask a qualified scholar rather than deciding for yourself on a point of difference.
Frequently asked questions
Does bleeding from a small cut break wudu?
Scholars differ. Many Hanafi scholars hold that flowing blood breaks wudu; the majority of Shafi'i and Hanbali scholars hold it does not. Follow the view of the scholar or school you rely on.
I slept on the bus and woke up — do I redo wudu?
If the sleep removed awareness, scholars generally say wudu is needed. If it was light dozing, many say it is not. Redoing wudu is a simple, safe choice when in doubt.
Sources
- Sahih al-Bukhari & Sahih Muslim (nullifier narrations)
- Fiqh manuals of the Hanafi, Maliki, Shafi'i and Hanbali schools
Nullifiers are stated as a summary; each school's details differ. Readers should follow the school or scholar they rely upon.
Last content review: 2026-09-25. How Destiny Map selects and verifies sources is explained on the Sources & Methodology page.
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