Otitis externa

Disease Overview

Otitis externa is the inflammation of the external ear canal. It is a common problem that affect 14-20% of dogs.

Merck Animal Health Solutions

For Otitis externa

Mometamax is an otic suspension containing gentamicin sulfate, mometasone furoate monohydrate and clotrimazole for the treatment of otitis externa in dogs caused by susceptible strains of yeast (Malassezia pachydermatis) and bacteria (Pseudomonas spp.[including P. aeruginosa], coagulase-positive staphylococci, Enterococcus faecalis, Proteus mirabilis, and beta-hemolytic streptococci)

Otomax is indicated for the treatment of canine acute and chronic otitis externa associated with yeast (Malassezia pachydermatis) and/or bacteria susceptible to gentamicin. Otomax contains gentamicin sulfate, betamethasone valerate and clotrimazole in a mineral oil-based system containing a plasticized hydrocarbon gel.

Posatex Otic Suspension is indicated for the treatment of otitis externa in dogs associated with susceptible strains of yeast (Malassezia pachydermatis) and bacteria (coagulase positive staphylococci, Pseudomonas aeruginosa, and Enterococcus faecalis).

Definition

Otitis externa is the inflammation of the external ear canal. It is a common problem that affect 14-20% of dogs.

Clinical signs of canineotitis externa

  • Pruritis(itching) of the ear
  • Head shaking
  • Exudate(discharge) present in and around the external ear canal
  • Malodor(bad smell) from the ear

Why dogs get otitis externa?

Most dogs get otitis externa because of allergies to environmental substances. The allergic reaction makes the ear itchy. Dogs respond by scratching, which damages the lining of the ear canal. Yeast and bacteria then seize the opportunity and infect the skin.