It depends on the case; there is no single guideline.
Effect by goal · level of evidence
Muscle gain (hypertrophy)
harmsModeratemeta-analysis (AAA)
Meta-analysis: immersing yourself in cold water right after strength training reduces gains in muscle mass. Cold dampens the adaptation signal; if your goal is to build muscle, it is better to leave cryotherapy for another time.
Muscle gain (hypertrophy) — harms (Moderate, meta-analysis). Meta-analysis: immersing yourself in cold water right after strength training reduces gains in muscle mass. Cold dampens the adaptation signal; if your goal is to build muscle, it is better to leave cryotherapy for another time. source
Information, not medical advice. Prescription drugs require a doctor.
Information, not medical advice. Scientific evidence reflects the quality of the studies.