Factors that break and don't break the fast

Q: Is it permissible to use spray deodorants (alcohol free) while fasting? 

Q: 

1. Asthmatic pump.

2. Nabulizer.

3. Drip.

4. Vitamin injection.

5. Dialysis which sugar patients use.

6. Use of oxygen. 

Q: What is the ruling of a person that masturbated while fasting during Ramadhaan. Is it required to keep kadha of that fast?

Q: I am a dentist. A fasting patient requires urgent treatment e.g. extraction or draining abscess.

Will this be permissible while fasting? Bear in mind that an injection is required, blood flows from the extraction site, and water may be put into the patient's mouth, will the fast need to be repeated?

Q: If you are going to have a blood test in Ramadhaan. Can you keep roza on that day?

Q: There was a little blood in my discharge but stopped immediately. It is not my menstrual cycle yet. It's only due to start in 2 weeks? Am I able to carry on with my fast?

Q: I would like to know whether inhaling of medication breaks one's fast? (E.g. Vicks or  a drop of white oil etc in boiling water.)

Q: Does blood coming out from the throat break the fast? What if it goes down in the directly in stomach?

Q: Can someone put mehndi or hair color while she is fasting?