Hi, guys! Long time no see.

Say, It's Ramadan today and I have saliva problems... It's like I have the urge to swallow it and spit it out when I can't control it. The thing is, I won't be able to do that during class(I'm in high school now!). So, what do I do?

Why can't you swallow it in class?

Because I'm fasting?

Because I'm fasting?

Assalaam alaikum,
Swallowing spit does not invalidate the fast.
Please refer following article for further reference.

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http://www.islam-qa.com/index.php?ref=12597&ln=eng&txt=Fasting%20and%20swallowing%20spit
Question:
Does saliva invalidate the fast during Ramadaan or not? Because I produce a lot of saliva especially when reading Qur'aan and when I am in the mosque.

Answer:
Praise be to Allaah.

If a fasting person swallows his saliva that does not invalidate his fast even if there is a lot of it and if that happens in the mosque or elsewhere. However if it is thick like mucus, he should not swallow it, rather he should spit it out into a tissue or whatever if he is in the mosque.

And Allaah is the Source of strength. May Allah send blessings and peace upon of Prophet Muhammad and his family and companions.

Al-Lajnah al-Daa'imah li'l-Buhooth wa'l-Ifta, 1-/270.

If it is asked, is it permissible to swallow mucus deliberately?

The answer is:

It is haraam to swallow mucus whether one is fasting or not, because it is considered to be dirty and it may carry diseases produced by the body. But it does not break the fast if a fasting person swallows it, because it does not come from blood and swallowing it is not regarded as food or drink. If he swallows it after it reaches the mouth, it does not break the fast. From the words of Shaykh Muhammad ibn 'Uthaymeen, may Allaah have mercy on him. See al-Sharh al-Mumti', 6/428.
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Hope that helped.
May Allah grant you eternal peace and many blessings this Ramazan.

Wa alaikum salaam

Thanks, firm! I really appreciate it.

Alhamdlillah... it helped you!