How to say recipes/formulae to treat the stomach pain? The recipes consists of Chinese materia medica.

recipes for stomach pain therapy/treatment?

prescriptions for stomach pain-killers? (Is killer necessary?)

Thanks in advance!
Without more context: The instructions for controlling stomach pain consist of Chinese materia medica formulae.
formulas/medications for gastric/stomach pain?
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Thank you Feebs11. Your responses have always been very helpful to me.

Best Regards!
 CalifJim's reply was promoted to an answer.
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CalifJim formulas/medications for gastric/stomach pain?
So I know directly things like -killer don't necessary.

Thank you very much!