Naltrexone Oral Suspension (Anhydrous)

Rx approval required

We'll contact your veterinarian to review your medication request. If you aren't sure of the correct size and dose, please contact them directly or get in touch with our team.

Select Strength: 1mg/mL

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Select size: 15 mL

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Also available as a Injectable

Naltrexone is an opioid antagonist medication used in veterinary medicine to block or reverse the effects of opioids. It’s often administered by injection to rapidly reverse opioid sedation or overdose in dogs or wildlife (for example, reversing drugs like morphine or carfentanil), and has also been explored for treating certain behavioral disorders in pets by modulating endorphin pathways.

How to Give Anhydrous Oral Suspension

Oral Suspension (Anhydrous) is a liquid medication that does not contain water in its base. This might be an oil-based or other special base to help stabilize the medicine. It will look like a regular liquid medication, but often needs a good shake because the drug can settle. Here's how to give it:

Shake well each time to mix the medication (5-10 seconds).
Measure the dose using the syringe/dropper provided or one recommended by your vet. Insert the top of the oral syringe into the bottle adapter. Turn the bottle upside down and pull the plunger until the medicine reaches the volume required
Hold your pet steady: a towel or helper can assist with squirmy pets.
Administer the dose slowly into the side of the mouth. Allow small pauses if needed for swallowing.
Raise the head slightly to help the medication go down and clean any spills with a little water or tissue.
Praise your pet and offer a treat or water (unless advised against feeding right after).
Clean the syringe with water immediately after use. Store the bottle as directed, out of sunlight.
Consistency is key: Shake each time, measure accurately, and contact your vet if any issues arise.

Mixlab is a licensed veterinary pharmacy dispensing both compounded and commercial medications, operating under the oversight of licensed pharmacists and in compliance with applicable state and federal pharmacy regulations. Compounded medications are prepared in compliance with USP standards and under PCAB-accredited practices. All medications dispensed by Mixlab require a valid prescription from a licensed veterinarian.