How to get better when being sick on vacation?

I've been to the USA and currently in Europe.

I've been coughing a lot and have a sore throat on and off.

I've been in and out of heat outside and back in to cold air con rooms, which is probably why.

Is there anything I can take to get rid of the sore throat.

Coughing isn't too bad. It's the sore throat on and off that's annoying.

Thank you

How to get better when being sick on vacation?
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