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Thanks for your question
Heat and humidity increase the metabolic rate in the body.
This results in more oxygen consumption by the body.
This can increase the work of lungs and respiratory muscles for harder breathing.
Hence this can affect your breathing.
Cough can be due to the irritation of the airways or from the allergic reaction.
Viral or bacterial infection also can cause cough --bronchitis.
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Not specific to the question asked.
Are you going to answer?
Please specify what exactly you want to know about the effect of heat and humidity?
As it relates to a person after having been on a ventilator four years ago. these breathing problems have occurred every year since. oxygen level has remained around 98 to 99 % since.
The explanation is above.
Heat and humidity may cause breathing trouble.
That is not an answer!
To maintain oxygen at 99% the respiratory muscles anf lungs will work harder in heat and humidity.
That is the answer.
To quantify the problem, you need a lung function test.
Lung function test will provide you the information how much damage your lungs have.
We have been to specialist and was told that there was not damage to my lungs.
how wewas it determined?
did you have any test done?
yes! So was it damage to my throat?
What test did you have?
I have had all the standard test and found to have lung functioning over 90 %.
then this is unlikely you have lung damage.
Then your nasal passage and throat need to be checked by the endoscopy.
You should see a ENT specialist then.
We kn ow that we are asking about throat damage.
Yes for throat damage investigation you will need a endoscopy.
But heat will not cause throat damage.
What about possible damage caused by ventilator?
Ventilator can cause damage to the soft tissue in the throat.
This should be visible in endoscopy or CT scan of the neck with contrast.