The most likely remedie is Calcium carb, but it wont work if other remedies are needed first, remedies for problems manifested after operations.
I would suggest Sulphur if you are a warm person, if cold, Graphites (x12 twice a days for 14 days is whort a try), Natrium mur if you like salt things, and calcium carb if sweets.

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Homeopat MNNH Geir E.T. Marcussen
email: getm@eunet.no
http://www.homeopati.no