Ow, ow, ow!!! I feel for your brother! Sinus infections can be excruciating to the point of incapacitating. I hope the meds kick in quickly.
He said he thinks they are starting to work.
I hope he makes it on the plane and can get to work. He has to drag his bags, packed for a couple months, with him. He’s hoping not to bring them home and wait for another flight.