Skip to content
Save $15 off Your Next Rx Order $100+ with code: SAVERXNOV26 - Some Exclusions Apply
Save $15 off Your Next Rx Order $100+ with code: SAVERXNOV26 - Some Exclusions Apply

Rx Tresaderm (thiabendazole, dexamethasone, neomycin sulfate solution) Dermatologic Solution for Dogs & Cats

SKU 012003-7-5
Original price $32.19 - Original price $45.89
Original price $32.19
$32.19
$32.19 - $45.89
Current price $32.19
$4.29 per mL
Availability:
5+ in stock, ready to be shipped
Availability:
Only 4 left!
Size: 7.5 mL
Prescription Shipping Restriction Icon

Free Shipping over $49

Rx items qualify for free shipping over $49 (excludes vaccines).

Prescription Icon

Prescription Item

Requires Veterinarian Authorization when shipped to all states. We'll collect your pet's prescription information at Checkout.

Rx Tresaderm® Topical Solution for Dogs & Cats

Tresaderm® is a prescription topical solution used to help treat certain bacterial and fungal skin conditions, inflammation, and outer ear infections (otitis externa) in dogs and cats. Its triple-action formula combines an antibiotic, antifungal, and corticosteroid to target susceptible microorganisms while helping relieve inflammation and associated discomfort. Tresaderm is effective against certain bacteria and dermatophytes commonly associated with skin and ear conditions. It may also be used in the treatment of ear mite infestations caused by *Otodectes cynotis* when associated infections are present.

Benefits & Features:

  • Triple-action formula: Combines antibacterial, antifungal, and anti-inflammatory ingredients.
  • Antibacterial activity: Neomycin helps control susceptible gram-positive and gram-negative bacteria.
  • Antifungal activity: Thiabendazole helps treat susceptible fungal organisms, including dermatophytes.
  • Inflammation relief: Dexamethasone helps reduce inflammation and associated irritation.
  • Versatile application: Can be applied to affected skin areas or administered into the external ear canal.
  • For dogs and cats: Prescription treatment for certain dermatologic conditions and otitis externa.

Active Ingredients:

Each mL contains:

  • Thiabendazole – 40 mg
  • Dexamethasone – 1 mg
  • Neomycin – 3.2 mg (as neomycin sulfate)

Inactive Ingredients:

Glycerin, propylene glycol, purified water, hypophosphorous acid, calcium hypophosphite, approximately 8.5% ethyl alcohol, and approximately 0.5% benzyl alcohol.

Directions:

Clean the affected area before application. For ear treatment, remove accumulated earwax, discharge, and foreign material from the ear canal. For skin conditions, remove associated crusting before applying the solution.

Dosage & Administration:

Apply twice daily, following the veterinarian's instructions.

  • Ear infections: Instill 5–15 drops into the affected ear twice daily.
  • Skin conditions: Apply 2–4 drops per square inch to thoroughly moisten the affected area twice daily. The amount needed depends on the size of the lesion.

The amount and duration of treatment depend on the severity and extent of the condition. Use only as prescribed by your veterinarian.

Available Package Sizes:

  • 7.5 mL bottle
  • 15 mL bottle

Warnings & Precautions:

  • Topical use only: For use in dogs and cats. Do not administer by injection or orally.
  • Neomycin sensitivity: Some dogs may be sensitive to neomycin. Rarely, application may cause redness (erythema) or discomfort at the treated site, which may persist for 24–48 hours. Contact your veterinarian if a reaction occurs.
  • Monitoring: Discontinue use and consult your veterinarian if irritation or other adverse reactions develop.

Storage:

Refrigerate at 36–46°F (2–8°C). Refrigeration is required!

This product requires a Valid prescription.

Prescription items are NON-RETURNABLE and NON-REFUNDABLE.

California Prop 65 WARNING

Cancer and Reproductive Harm - www.p65warnings.ca.gov

Compare products

{"one"=>"Select 2 or 3 items to compare", "other"=>"{{ count }} of 3 items selected"}

Select first item to compare

Select second item to compare

Select third item to compare

Compare