My flatmate has been I'll since before Christmas. He got a bit better buy has been coughing constantly for weeks. He says the temperate and tiredness has gone but he's been left coughing constantly. Should he be worried? How long should a cough last for?
The official NHS advice, both on those countless ads on the telly and on their website is "See a GP if you've had a cough for more than 3 weeks":
https://www.nhs.uk/conditions/cough/
Buenchico.......if all sufferers followed the advice of the NHS, the GP's and X-Ray departments would be swamped and eventually collapse.
One needs a little common sense here and not dogma.
These are the salient point s in this case:
"He says the temperate and tiredness has gone"
This would suggest in this case we are not dealing with serious or life threatening underlying disease.
Consider that it might be asthma - my son has had the same problem in the past. However, there are some really nasty bugs around and it may just be that.