Brief Answer:
infection can be associated with inflammation and numbness
Detailed Answer:
HI,thanks for using healthcare magic
Infections of the sinuses can sometimes numbness because of the inflammation of the affected area.
It should resolve as the medication kicks in.
In addition to the antibiotic, you may need anti inflammatory medication and antihistamine/decongestant combination of medication to help speed recovery.
Anti inflammatory medication would reduce the inflammation associated with the infection
If you find there is no improvement after 36 to 48 hours or if there is significant worsening, then you should be seen.
I hope this helps, feel free to ask any other questions