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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.
Ce que disent les preuves
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.
Quoi faire vraiment
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
Référence d’autosoins, pas un avis médical. Enfants, adultes plus âgés, grossesse et quiconque avec une maladie de longue durée devraient avoir un seuil plus bas pour appeler un clinicien. Symptômes graves ou qui s’aggravent, gêne à respirer ou confusion : obtenez de l’aide médicale.