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Exercise while ill for colds — the evidence
There are no strong trials on training through a cold, so the guidance is physiological rather than proven: a mild head cold does not seem to harm or prolong anything, while a fever means the whole body is already working hard. The old "neck check" is folk wisdom, not evidence.
Was die Evidenz sagt
Verdict: No clear evidence. There are no strong trials on training through a cold, so the guidance is physiological rather than proven: a mild head cold does not seem to harm or prolong anything, while a fever means the whole body is already working hard. The old "neck check" is folk wisdom, not evidence.
Was man wirklich tun soll
Mild cold, no fever: easy movement is fine — a walk, light lifting, well below your normal effort. Fever, muscle aches, chesty cough: rest; the gym will still be there. Never train with a fever, and do not push through anything below the neck.
Source: NICE CKS — common cold · checked 2026-09-07
Selbsthilfe-Nachschlagewerk, keine medizinische Beratung. Kinder, ältere Erwachsene, Schwangerschaft und jeder mit einer Langzeiterkrankung sollten eine niedrigere Schwelle haben, eine Ärztin oder einen Arzt anzurufen. Schwere oder sich verschlechternde Symptome, Atemnot oder Verwirrtheit: holen Sie medizinische Hilfe.