Sinus Medication Solution

The sinus infection was in my right nostril, and surrounding the eye. It’s halfway gone now, and it’s not troubling me anymore.

But I was wondering if it’d be okay to get a nose piercing in my left nostril. Or would it get infected?

I have been treating a sinus infection for the last two weeks and have been to the doctor several times. My ears are clogged to the point of distracting me from my everyday life, I am dizzy and uncomfortable from all the pressure, and become carsick easily evem during short rides. I am taking pseudophedrine 60mg every 4-6 hours, and have completed an antibiotic treatment (azithromax for 5 days). What can I do?