Hi, i am taking amox-clav 875-125mg, prednisone 50 mg, benzonatate 100mg and promethazine syrup.. is this safe to take together?

Interactions: There is some potential for interaction between the prednisone and promethazine, particularly if you have a history of long QT syndrome or low potassium.

Yes: When your illness is severe, you sometimes need all of these medications for a short period to recover. I suggest taking pro-biotics (or eating yogurt with active cultures) while on this regime to keep your good bacteria healthy.