In fact, the very idea that sweating can help people get rid of the rhinovirus stems from one 2015 study on mice, determining that the virus thrives in temperatures below 98.6°F (37°C), which is hardly enough evidence to say anything about the benefits of sweating in humans.
Admittedly, there are also some medicinal traditions that suggest sweating is beneficial for cold symptoms, but there are no findings apart from the above-mentioned study to support that claim.
The main concern with increased sweating is that it promotes dehydration, something that you want to avoid at all costs. As a matter of fact, the main piece of advice you’ll hear from every doctor is that you should stay hydrated while fighting the common cold, and sweating goes blatantly against that advice.
If you’re wondering why you have to drink plenty of fluids during a cold, it’s to help your body flush out germs and loosen the mucus, both of which are essential for a quick recovery. For the same reason, doctors regularly advise avoiding dehydrating foods, such as coffee or alcohol, as well as dry foods, such as chips, during recovery from a cold.
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Apart from that, all these exhausting activities you’re willing to undertake just to start sweating may actually make you even more fatigued than you already are, which isn’t a good idea, as it will further weaken your immune system. So, if you happen to catch a cold, all you have to remember is ‘No sweat, lots of rest and even more hydration’. Take care!