Antibiotics on Yom Kippur

Hello Rabbi, I am taking antibiotics because of an infection or pain in a tooth. How should I conduct myself regarding the Yom Kippur fast? Should I fast as usual and take the antibiotics without water, or is it permitted to take them with a small amount of water? And if they need to be taken at fixed times and at certain intervals, what should I do?

Shalom u’vrachah 

If there is no other instruction from a doctor, you must fast. 

You should try to swallow the antibiotics without water. 

If it is not possible without water, the water should be made bitter [with a large amount of tea essence, salt, lemon juice, and the like].

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