Reliable relief of discomfort and irritation for mild to moderate cases

A convenient once-daily, triple-combination treatment applied for 7 days for mild to moderate cases of otitis externa associated with susceptible strains of yeast and bacteria in dogs.


Mometamax® is indicated 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).


MOMETAMAX Otic Suspension is available in 7.5 g, 15 g, 30 g, and 215 g plastic bottles.

Features & Benefits


Mometasone furoate monohydrate

Reduces discomfort, redness and swelling1

Mometasone rapidly controls inflammation without adrenocortical suppression2



Effective against dermal infections caused by susceptible strains of yeast (Malassezia pachydermatis)1



Effective against a wide variety of Gram-positive and Gram-negative bacteria1



Each gram of MOMETAMAX Otic Suspension contains gentamicin sulfate, equivalent to 3 mg gentamicin base; mometasone furoate monohydrate equivalent to 1 mg mometasone furoate; and 10 mg clotrimazole, in a mineral oil-based system containing a plasticized hydrocarbon gel.

Administration and Dosage

For 7.5 g, 15 g, and 30 g bottles:

  • Administer once daily for 7 days
  • 4 drops per ear for dogs < 30 lbs
  • 8 drops per ear for dogs = or > 30 lbs

For 215 g bottles:

  • Administer once daily for 7 days
  • 2 drops per ear for dogs < 30 lbs
  • 4 drops per ear for dogs = or > 30 lbs


  • Solution-like consistency with clear advantage
    • Colorless solution is easy to differentiate from exudate
    • Eliminates staining
  • Hydrocarbon formulation consistency facilitates easy counting of drops for proper dosing
  • Ensures prolonged contact at the site of infection


MOMETAMAX Otic Suspension should be discontinued if any hypersensitivity to its components occurs. Do not use in dogs with known tympanic perforation. For side effects and warnings, please see the product label.


  1. Mometamax® Otic Suspension [gentamicin sulfate, mometasone furoate monohydrate, clotrimazole] [Product Information]. Madison, NJ: Intervet Inc.; 2021.
  2. Reeder CJ, Griffin CE, Polissar NL, et al. Comparative adrenocortical suppression in dogs with otitis externa following topical otic administration of four different corticosteroid-containing medications. Vet Ther. 2008;9:111-121.