1) Eating, drinking or indulging in sexual relations forgetfully. This means that at the time of committing these acts, one does not remember the fast. However, if one continues even momentarily after recalling the fast, the Saum will be nullified.
(2) Applying eye-drops.
(3) Water entering the ears.
(4) Vomiting, no matter how much. This refers to vomiting which is not self-induced. For the rule regarding self-induced vomiting, (see above no. 10).
(5) Smoke, which is inhaled unintentionally, not by one’s volition or conscious action.
(6) Applying surmah into the eyes.
(7) Smelling anything fragrant provided that there are no vapours.
(8) A food particle less than the size of a chana becoming unstuck from the teeth and slipping down the throat.
(9) Swallowing saliva and slime.
(10) Injection. The injection of medicine into the body will not break the fast provided that the medicine does not reach the brain or the stomach.
(11) Blood in the saliva will not break the fast if the blood is less than the saliva. This fact will be recognized if the taste of the blood is not discerned.
(12) Using a miswak to clean the teeth even if the miswak is fresh and has a taste.
(13) Breast-feeding the baby.
(14) If during wudhu water slips down the throat while one does not remember the saum, the fast will not break.
(15) Ejaculation of semen during sleep.
(16) Ejaculation caused by imagination.
(17) Janabat or the state of Hadath-e-Akbar which is purified by ghusl. If one has not taken ghusl and Sahri time ends, the fast is valid.