Tonsilitis, Thyme for

You can make a tea of the common garden thyme and gargle or rinse your mouth and throat with it every half to one hour. This is not only healing and soothing, but it is also antiseptic. This is a constituent of many of the antiseptic preparations.

Source: Mother's Remedies: Over One Thousand Tried and Tested Remidies from Mothers of the United States and Canada, T. J. Ritter