Otomax Ear Drops Suspension
Active ingredients: Betamethasone, Clotrimazole, Gentamicin
Form
Drops
Species
Manufacturer
Intervet International B.V.
VMD MA No.
06376/5050
What it's used for
the acute signs of chronic external otitis of bacterial and fungal origin due to bacteria susceptible to gentamicin, such as , and fungi susceptible to clo...
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-
1
Ask your vet for a written prescription
They must provide one on request. Under the CMA Order the fee is capped at £21 from 2027.
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2
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Prescription required
Your vet must provide a written prescription on request. You can then purchase from any licensed online retailer.
Otomax Ear Drops Suspension — SPC Details
Source: VMD Summary of Product Characteristics (SPC). Last updated 27 Mar 2026.
susceptible to gentamicin, such as , and fungi
susceptible to clotrimazole, in particular Malassezia pachydermatis.
To ensure a correct dosage, body weight should be determined as accurately as
possible.
Dogs weighing less than 15 kg: Apply 4 drops to the ear twice a day.
Dogs weighing more than 15 kg: Apply 8 drops to the ear twice a day.
The duration of treatment is 7 days.
After application the base of the ear may be massaged briefly and gently to allow the
preparation to penetrate to the lower part of the ear canal.
1 drop of the veterinary medicinal product corresponds to 66.9 IU gentamicin, 22.3
µg betamethasone and 223 µg clotrimazole.
Do not use in cases of hypersensitivity to the active substances or to any of the
excipients.
These lesions regress when treatment is discontinued.
Temporary.
Especially in elderly animals.
Very rare
(<1 animal / 10,000 animals treated,
including isolated reports):
Application site erythema
; application site
papule
;
Impaired hearing
2,3,5
, loss of hearing
3,4,5
,
vestibular disorder
.
Can be irreversible in extremely rare cases.
In the event of auditory or vestibular dysfunction, treatment must be discontinued
immediately and the auditory canal cleaned carefully using a non-ototoxic solution.
Reporting adverse events is important. It allows continuous safety monitoring of a
veterinary medicinal product. Reports should be sent, preferably via a veterinarian, to
either the marketing authorisation holder or the national competent authority via the
national reporting system. See the package leaflet for respective contact details.
be identified and treated.
Special precautions for safe use in the target species:
Contact with eyes should be avoided. In case of accidental contact, flush with plenty
of water.
Before the veterinary medicinal product is applied, the external auditory canal must
be examined thoroughly to ensure that the eardrum is not perforated in order to avoid
the risk of transmission of the infection to the middle ear and to prevent damage to
the cochlear and vestibular apparatus.
The outer ear should be cleaned meticulously and dried before treatment. Excess
hair around the treatment area should be cut.
Use of the veterinary medicinal product should be based on susceptibility of isolated
bacteria and/or other appropriate diagnostic tests. If this is not possible, therapy
should be based on local (regional, farm level) epidemiological information about
susceptibility of the target bacteria.
Use of the veterinary medicinal product deviating from the instructions given in the
SPC may increase the prevalence of bacteria resistant to gentamicin and may
decrease the effectiveness of treatment with other aminoglycosides, due to the
potential for cross resistance.
Prolonged and intensive use of topical corticosteroids preparation is known to trigger
local and systemic effects, including suppression of adrenal function, thinning of the
epidermis and delayed healing.
Special precautions to be taken by the person administering the veterinary medicinal
product to animals:
Avoid contact with the veterinary medicinal product.
Wash hands carefully after applying the veterinary medicinal product. In case of
accidental contact with the eyes, rinse with plenty of water.
People with known hypersensitivity to ingredients should avoid contact with the
veterinary medicinal product.
Special precautions for the protection of the environment:
Not applicable.
substances known to cause ototoxicity.
This information is sourced from the official Summary of Product Characteristics (SPC) published by the Veterinary Medicines Directorate (VMD). It is provided for informational purposes only and does not replace professional veterinary advice. Always consult your vet before administering any medication.
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Related Conditions
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Otomax Ear Drops Suspension
POM-VIntervet International B.V.
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