True, Tagamet is more commonly used as an ulcer medication; but apparently it also works to put shingles into remission.
L-lysine has fewer side effects and is probably less expensive though.

Shingles; , causes, Tx, medication, doses etc
Discussion onTagamet/Cimetidine is about 1/3 of the page down.http://www.lef.org/protocols/prtcls-...rtcl-123.shtml

With love, Erika