Sorry for late reply and inconvenience.
Thanks for the follow-up.
I understand your concern.
As per your description,it is possible that he may have ruptured his ear drum from all of the pressure. He probably is congested which causes fluid to put pressure on the eardrum. Blowing his nose hard and with all of the pressure could have popped his ear drum.
Other possibility could be by blowing he has forced some fluid or mucus through the eustachian tube so that now there is fluid, or at least some increased air pressure that can't be released because the tube is blocked by the fluid, behind the eardrum. This can be uncomfortable and can muffle hearing. It is also a set up for an infection behind the eardrum called an otitis media.
So now you should give him OTC Advil and Zyrtec.
Also steam inhalation and nasal saline spray can be tried.
You may get over the counter cvs ear pain relief ear drops from cvs pharmacy or hyland ear drops from walgreen or walmart,as this will help subside his ear pain.
Oral and topical antibiotics can be prescribed by his ENT specialist.
Feel free for further queries. It's good to discuss rather than quit.
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