Gastro Medicine

This makeshift medicine is sure to cure (most) upset stomachs.
Overview

As an item, 
Practical notes and usage considerations:
- Primary function: cures most upset stomachs and other gastrointestinal status effects described by the game as stomach ailments.
- Reliability: described as "sure" or "guaranteed" for most cases in multiple translations; players should expect it to work in the vast majority of standard stomach-problem encounters.
- Flavor/context: characterized consistently across languages as improvised, makeshift, or temporary—suitable for on-the-spot treatment rather than long-term care.
- When to use: apply
Gastro Medicine whenever a stomach-related status condition is active and an immediate cure is needed; it is the intended remedy for those conditions according to the item descriptions.
- Limitations: the item text explicitly notes that a small subset of stomach issues may not be cured by this remedy, so rare or exceptional digestive ailments may require alternative treatment.
Because the available source material confines itself to descriptional text, tactical guidance beyond using 

Official description
This makeshift medicine is sure to cure (most) upset stomachs.