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.
Liability. I am a doctor, and I can tell you that cephalexin is not the best drug for dental infections. If one is allergic to penicillin, clindamycin would be a better choice. Penicillin is still the drug of choice because it is cheap and effective. am not a doctor, but my dentist gave me Cephalexin for an abscess, and the abscess actually went away in May, and has not returned by December (2009). It might have been caused by a sinus infection, since the supposed abscess was seen on xray on my upper left rear area. The root canal specialist waited to see.