M57, is it correct to start clarithromycin 500 bid, when you have dental sort of pain(maxillary sinus), colored phlegm;fever 99.5. thanks?

Pain: Yes you may start antibiotics with the symptoms you are oresenting with.

Sinus infection: It is very important to have the correct diagnosis in a case like this because a tooth infection can cause sinus pain but a sinus infection can also cause tooth pain. See you dentist to rule out a chronic tooth infection.

Yes: Yes, a reasonable regimen.