Effective spring types for post-illness recovery
Post-illness recovery carries a general bathing indication across all 10 spring types. Because the benefit is physical and psychological (thermal action and change of place), any spring qualifies — but when vitality is low it is safest to start with low-stimulation springs.
low stimulation and easy on the body — the classic choice for a "toji" therapeutic stay
high heat retention suits recovery of vitality
soft on the skin, suitable for extended convalescence
How onsen supports post-illness recovery
After illness, vitality and immune function are reduced. Thermal bathing accelerates metabolism and aids clearance of fatigue metabolites. Buoyancy and hydrostatic pressure relax muscles and shift the nervous system to parasympathetic dominance, improving sleep quality. The change of environment (change-of-place therapy) also contributes to mental recovery.
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Bathing tips for post-illness recovery
- Bathe only once fever has resolved and condition is stable — avoid the active phase
- Begin with short soaks (5–10 minutes) and gradually increase as you recover
- Relax in lukewarm, low-stimulation water such as simple springs
- Hydrate before and after bathing to prevent bathing fatigue and overheating
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References
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