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Hyosyne Oral Drops

Hyosyne Oral Drops

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Select Strength: 0.125mg/mL
Select size: 15mL bottle
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Hyosyne Oral Drops is an anticholinergic medication used in veterinary medicine to help control gastrointestinal spasms, reduce intestinal motility, and manage symptoms such as diarrhea and cramping. It works by decreasing smooth muscle contractions and secretions in the digestive tract. It may also be used to help relieve urinary tract spasms in some cases.

The active ingredient in Hyosyne Oral Drops is hyoscyamine sulfate, an anticholinergic agent that reduces smooth muscle activity and secretions. The formulation also contains inactive ingredients such as purified water, alcohol, and flavoring agents, which help dissolve the medication, preserve stability, and improve palatability.

The uses and pharmacology described below reflect the FDA-approved labeling for this active ingredient; your veterinarian determines whether and how they apply to your animal's treatment plan.

Hyoscyamine sulfate, commercially available as Hyosyne, is an anticholinergic and antispasmodic agent utilized for gastrointestinal management. It is a prescription medication available for use in dogs and cats, frequently considered by veterinarians for patients presented with digestive health challenges involving intestinal spasms.

Prescription only. Use only under the direction of a licensed veterinarian. This information is not a substitute for veterinary diagnosis, prescribing or monitoring. Compounded drugs are not approved by the FDA for safety or effectiveness.

At a pharmacological level, it manages smooth muscle contraction by blocking the action of acetylcholine at muscarinic receptors. Commonly observed effects include behavioral shifts such as temporary lethargy or localized changes like a dry mouth or dilated pupils. Because it manages gastrointestinal motility, your veterinarian will monitor for observational signs of comfort. Owners should monitor for significant changes in activity or appetite and contact their veterinarian promptly with any concerns regarding the patient's response.

Do I need a prescription?

Yes. Hyosyne is a prescription medication and requires a valid authorization from a licensed veterinarian. Mixlab ensures all professional standards are met.

Can Hyosyne be compounded for my pet?

Yes. Mixlab specializes in compounding hyoscyamine into customized strengths and flavored oral formats, such as flavored oral liquids or treats, to support easier administration for your pet.

How does this help with diarrhea?

Veterinarians discuss hyoscyamine because it slows down the overactive contractions of the intestines. This may be considered in the context of managing cramping and supporting normal stool consistency.

Will this medication make my pet's pupils big?

Dilated pupils and dry mouth are commonly observed effects of anticholinergic medications. Your veterinarian will provide guidance on what observational signs are expected during the course of management.

Is it safe for pets with glaucoma?

Hyoscyamine is typically avoided in pets with known glaucoma. Your veterinarian will determine if this management approach is appropriate based on your pet’s complete ophthalmic history.

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.
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