Factors that break and don't break the fast

Q: I have an eye inflammation which requires me to use eye drops five times a day. Will it be permissible to use it while fasting?

Q: Will it invalidate one's fast if saliva is found on the lips and one licks the lips? Does the ruling differ if saliva is found outside the mouth?

Q:

1. If a woman inserts dry tissue into her private parts to prevent discharge from breaking her wudhu, does her fast break?

2. If a woman puts water inside her private parts just at the front to clean discharge which if not cleaned would cause her to become Ma'zoor, does her fast break?

Q: Is it permissible to sit in a room which has a humidifier on whilst fasting if there is only water in the humidifier?

Q: In Ramadhaan, when I wake up in the morning after sehri and performing fajar (for example 10 am). I always have a blood and it's taste in my mouth and I'm sure that it must have entered in my throat. What should I do for this because this is something impossible for me to control. And if this breaks fast then it means I have to repeat all my fasts. This problem is continuous with me. I cannot even make up previous fasts.

Q: A person has a sore in his nose. He applied Zambuk in his nose whilst fasting. Is his fast valid

Q: If a person who had a habit of fasting in Thursdays, sat amongst some brothers and if someone started smoking shisha pens and the person didn’t move from that place but he does not recall intentionally sniffing in any smoke, would his fast break?

Q: If one is fasting a qadhaa fast and during the fast one touches a food item, while cooking, which has some flour on it and then licks the finger, instinctively and unintentionally - will it have broken the fast if one did not wash out the mouth thereafter?

Q: If a girl was fasting and at the time of asr, she's confused and not sure if she saw slight redness and after maghrib she saw her haidh had come. So when must she take a ghusl if she gets it for 10 days? (Asr or Maghrib Time)

Will she have to make qadha of that fast?

Q: Whilst fasting, when filling sugar from its bag into a jar, I felt the sweetness of sugar in my throat. Did my fast break?