Eqstim
General Drug Information and Indications
Immunostimulant (Propionibacterium acnes) for immunomodulation in horses; adjunct for respiratory infections.
Immunostimulant (Propionibacterium acnes — killed bacteria). Mechanism: activates macrophages, natural killer cells, and lymphocytes via Toll-like receptor (TLR) stimulation → non-specific innate immune enhancement. Increases phagocytic activity and cytokine production. IV or IM administration.
Key information
Mycobacterium cell wall fraction immunostimulant. Refrigerate. Horses only. IV administration only. Shake well. Used for immunostimulation in respiratory disease.
How to Give this Medication
IV injection: administer slowly IV. Typical protocol: once weekly for 2–3 doses. Monitor for post-injection reaction (fever, lethargy within 24 hrs — expected). Store refrigerated (2–8°C); do not freeze.
If a dose is missed
This medication is administered by a veterinarian or veterinary staff in a clinical setting. Missed doses are managed by your veterinary team — contact your veterinarian to reschedule.
Side Effects
Fever, malaise, lethargy (24–48 hrs post-injection — expected immune response). Local injection site reactions (pain, swelling, nodule formation). Anaphylaxis (rare).
Precautions
For animals
Not approved for use in food-producing animals. Avoid in patients with known immunosuppressive conditions.
For people handling this medication
Administered by veterinary professionals only. No specific human precautions for caregivers beyond normal hygiene.
Overdose
Contact your veterinarian. Immunostimulant overdose may cause injection-site inflammation and transient fever.
Eqstim dosage forms
| Product | Strength | Form | Size | Type |
|---|---|---|---|---|
| EQSTIM 0.4MG/ML 50ML | 0.4 MG/ML | Injectable | 1 | Commercial |
| EQSTIM 0.4MG/ML 5 ML | — | Injectable | 1 | Commercial |
Sources
This information is provided for educational purposes and is not a substitute for advice from your veterinarian. Source: Merck Veterinary Manual (merckvetmanual.com); Plumb's Veterinary Drug Handbook (Plumb, D.C., app.plumbs.com)