There are many causes of redness and swelling of the external auditory canal, and common causes include trauma, boils on the external auditory canal, and otitis externa. Antibiotic drugs such as erythromycin ointment, levofloxacin hydrochloride ear drops, amoxicillin capsules, cefadroxil, etc. can be used according to the cause. Drugs should be used under the guidance of a doctor or pharmacist.
1. Trauma: If you pull out the ear accidentally scratched the external auditory canal, it will lead to redness, swelling and pain in the external auditory canal, this situation can be applied locally erythromycin ointment anti-inflammatory, and avoid water in the ear, the general symptoms of redness and swelling will be relieved soon.
2. Boils on the external auditory canal: mostly caused by Staphylococcus aureus infection, the external auditory canal will have pain, redness and swelling. Patients can use cefadroxil, cefradine and other drugs for anti-inflammatory treatment, with the use of local application of erythromycin ointment.
3. Otitis externa: mostly caused by bacterial infection, manifested as congestion, redness and swelling of the external auditory canal, ear pain and so on. Patients can take oral moxifloxacin, with local use of levofloxacin ear drops and other drugs.
Redness and swelling of the external auditory canal may have other causes, such as eczema of the external auditory canal, cholesteatoma of the external auditory canal and so on. It is recommended to consult a doctor to clarify the cause of the disease and then target treatment.