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Fluids and rest for colds — the evidence
The two interventions with no controversy. Fever and a runny nose lose water, and dehydration makes every symptom feel worse. Rest shortens nothing measurably, but sleep is when the immune response does most of its work, and pushing through a cold prolongs the misery even when it does not prolong the virus.
Was die Evidenz sagt
Verdict: Works. The two interventions with no controversy. Fever and a runny nose lose water, and dehydration makes every symptom feel worse. Rest shortens nothing measurably, but sleep is when the immune response does most of its work, and pushing through a cold prolongs the misery even when it does not prolong the virus.
Was man wirklich tun soll
Drink enough that urine stays pale; warm drinks genuinely help a sore throat and congestion. Sleep more than usual, and keep the bedroom slightly humid — dry air is a sore-throat amplifier. Steamy showers help congestion; antibiotics never will.
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.