Fatigue can be a warning sign of illness. It is often a sign of lack of sleep, exhaustion or stress.
Some people also react to a change in the weather or season with fatigue. In these cases, exercise and certain foods can help you get back on track. If you have certain fatigue criteria, you should see a doctor, as Pharmacy Umschau explains. This article only contains general information on the respective health topic and is therefore not intended for self-diagnosis, treatment or medication. It in no way replaces a visit to the doctor.