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Osurnia otic ear gel is a revolutionary new ear treatment for ear infections in dogs (‘otitis externa’). It comes in the form of a pipette containing gel which is applied to the ear.
Osurnia otic ear gel contains the active ingredients terbinafine (an anti-fungal agent), florfenicol (an antibiotic) and betamethasone acetate (a steroid). The antibiotic and anti-fungal treat and kill many of the bacteria and yeast common in ear infections. The steroid helps to reduce the swelling, pain and redness associated with an ear infection.
Osurnia otic ear gel is given as two simple treatments one week apart, removing the need to clean the ear or apply medicated drops on a daily basis and making treatment of ear infections much easier!
1 dose (1.2 g) contains:
Terbinafine: 10 mg
Florfenicol: 10 mg
Betamethasone acetate: 1 mg
equivalent to Betamethasone base 0.9 mg
Butylhydroxytoluene (E321): 1 mg
Off-white to slightly yellow translucent gel.
Treatment of acute otitis externa and acute exacerbation of recurrent otitis externa associated with Staphylococcus pseudintermedius and Malassezia pachydermatis.
Do not use in case of hypersensitivity to the active substances, to other corticosteroids or to any of the excipients.
Do not use if the eardrum is perforated.
Do not use in dogs with generalised demodicosis.
Do not use in pregnant or breeding animals.
The safety of the veterinary medicinal product has not been established in pregnant and lactating bitches; therefore, the product should not be used during pregnancy and lactation.
Bacterial and fungal otitis is often secondary to other conditions. Appropriate diagnosis should be used and therapy of causative conditions should be investigated before antimicrobial treatment is considered.
Clean the ears before the initial treatment is applied. Ear cleaning should not be repeated until 14 days after the second administration. In clinical trials, saline only was used for ear cleaning.
Transient wetness of the inner and outer pinna can be observed. This observation is attributed to presence of product and is not of clinical concern.
Special precautions for use in animals
If hypersensitivity to any of the components occurs, the ear should be thoroughly washed.
The safety of the product has not been established in dogs less than 2 months of age or weighing less than 1.4 kg.
Whenever possible the use of the veterinary medicinal product should be based on identification of infecting organisms and susceptibility testing.
Use of the veterinary medicinal product deviating from the instructions given in the SPC may increase the prevalence of bacteria resistant to florfenicol and fungi resistant to terbinafine and may decrease the effectiveness of treatment with other antibiotics and antifungal agents.
In case of parasitic otitis, an appropriate acaricidal treatment should be implemented.
Before the veterinary medicinal product is applied, the external auditory canal must be examined thoroughly to ensure that the ear drum is not perforated.
Prolonged and intensive use of topical corticosteroids preparation is known to trigger systemic effects, including suppression of adrenal function.
Decreased cortisol levels were observed after product instillation in tolerance studies (before and after ACTH stimulation), indicating that betamethasone is absorbed and enters the systemic circulation. The finding was not correlated with pathological or clinical signs and was reversible.
Additional corticosteroid treatments should be avoided.
Use with precaution in dogs with suspected or confirmed endocrine disorder (i.e. diabetes mellitus; hypo- or hyper-thyroid disease, etc.).
Special precautions to be taken by the person administering the veterinary medicinal product to animals
In case of accidental eye contact, rinse thoroughly with water.
In case of accidental skin contact wash exposed skin thoroughly with water.
In case of accidental ingestion, seek medical advice immediately and show the package leaflet or the label to the physician.
No adverse reactions that could be related to the veterinary medicinal product were observed in dogs with otitis externa under field conditions when administered as indicated.
Betamethasone is known to be teratogenic in laboratory species. The safety of the veterinary medicinal product has not been established in pregnant and lactating bitches; therefore, the product should not be used during pregnancy and lactation.
Do not use in breeding animals
Compatibility with ear cleaners, other than saline, has not been demonstrated.
Administer one tube per infected ear. Repeat the administration after 7 days.
The maximum clinical response may not be seen until 21 days after the second administration.
Instructions for proper use:
It is recommended to clean and dry the external ear canal before the first administration of the product. It is recommended not to repeat ear cleaning until 14 days after the second administration of the product. If treatment with this product is discontinued, the ear canals should be cleaned before treatment with an alternative product is initiated.
1. Open the tube by twisting the soft tip.
2. Introduce this flexible soft tip into the ear canal.
3. Apply the product into the ear canal by pressing it between two fingers.
4. After application, the base of the ear may be massaged briefly and gently to facilitate even distribution of the veterinary medicinal product into the ear canal.
Keep out of the sight and reach of children.
Auricular administration of five times the recommended dose, one week apart, for 5 consecutive weeks (a total six administrations of 5 tubes per ear or 10 tubes per dog) to mixed breed dogs weighing 10 to 14 kg resulted in clinical signs of wetness of the inner and outer pinna (attributed to presence of the product). There were no clinical signs associated with unilateral vesicle formation within the epithelium of the tympanic membrane (also observed after six administrations, one week apart, of 1 tube per ear or 2 tubes per dog), unilateral mucosal ulceration in the lining of the middle ear cavity, or decrease in serum cortisol response below normal reference range in ACTH stimulation testing. The decreased adrenal and thymus weights accompanied by atrophy of the adrenal cortex and lymphoid depletion of the thymus correlated with the decreased cortisol levels, and were consistent with the pharmacologic effects of betamethasone. These findings are considered reversible. Reversibility of the epithelial tympanic membrane blistering is also likely through epithelial migration, a natural self-cleaning and self–repair mechanism for the tympanic membrane and ear canal. Additionally, dogs showed slightly elevated red blood cell count, hematocrit, total protein, albumin and alanine aminotransferase. These findings were not associated with clinical signs.
Pharmacotherapeutic group: Otologicals – Corticosteroids and anti-infectives in combination.
ATC-vet code: QS02CA90.
The veterinary medicinal product is a fixed combination of three active substances (corticosteroid, antifungal and antibiotic):
Betamethasone acetate belongs to the diesters class of the glucocorticosteroids with a potent intrinsic glucocorticoid activity which relieves both inflammation and pruritus leading to an improvement of clinical signs observed in otitis externa.
Terbinafine is an allylamine with a pronounced fungicidal activity. It selectively inhibits the early synthesis of ergosterol, which is an essential component of the membrane of yeasts and fungi including Malassezia pachydermatis (MIC90 of 2 μg/ml). Terbinafine has a different mode of action than azole antifungals, therefore there is no cross resistance with azole antifungals.
Florfenicol is a bacteriostatic antibiotic which acts by inhibiting protein synthesis. Its spectrum of activity includes Gram-positive and Gram-negative bacteria including Staphylococcus pseudintermedius (MIC90 of 8 μg/ml).
Due to the high antimicrobial concentrations achieved in the ear canal and the multifactorial nature of otitis externa, in vitro susceptibility may not be directly correlated with clinical success.
The formulation dissolves in ear wax and is slowly eliminated from the ear mechanically.
Systemic absorption of all active substances was determined in multiple-dose studies after placing the veterinary medicinal product into both ear canals of healthy mixed breed dogs. Absorption occurred primarily during the first two to four days after administration, with low plasma concentrations (1 to 42 ng/ml) of active substances.
The extent of percutaneous absorption of topical medications is determined by many factors including the integrity of the epidermal barrier. Inflammation can increase the percutaneous absorption of veterinary medicinal products.
Butylhydroxytoluene (E 321)
Shelf life of the veterinary medicinal product as packaged for sale: 3 years.
Store in a refrigerator (2 °C – 8 °C).
Single-use multi-layered aluminium and polyethylene tube with a polypropylene thermoplastic elastomer tip.
Cardboard box containing 2, 12, 20 or 40 tubes (each containing 2.05 g).
Not all pack sizes may be marketed.
Any unused veterinary medicinal product or waste materials derived from such veterinary medicinal product should be disposed of in accordance with local requirements.
Novartis Santé Animale S.A.S.
10, rue Louis Blériot
EU/2/14/170/0001 (2 tubes).
EU/2/14/170/0003 (20 tubes).
Date of first authorisation: 31/07/2014
OSURNIA EAR GEL FOR DOGS
5037694161873 & 5037694161880
All prices include VAT where applicable. *The freephone number is free from most UK landlines only, mobiles are usually charged so we'd recommend calling our landline from your mobile or internationally.
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