The nasal cavity (or nasal fossa) is a large air filled space above and behind the nose in the middle of the face.Each cavity is the continuation of one of the two nostrils.he nasal cavity (or nasal fossa) is a large air filled space above and behind the nose in the middle of the face.
Polymyxin B sulfate and trimethoprim (Polytrim) is an antibacterial eye drop prescribed to treat bacterial conjunctiivitis and blepharoconjunctivitis of the eyes. Side effects, drug interactions, pregnancy safety, dosage, and storage information should be reivewed prior to using this medication.
This medication is used to treat eye infections. This product contains bacitracin and polymyxin, antibiotics that work by stopping the growth of bacteria.This medication treats only bacterial eye infections. It will not work for other types of eye infections (e.g., infections caused by viruses, fungi, mycobacteria).lace a 1/2 inch (1.5 centimeters) strip of ointment into the pouch by squeezing the tube gently. Close the eye and roll the eyeball in all directions to spread the medication. Try not to blink and do not rub the eye. Repeat these steps for your other eye if so directed.