Oregano
Origanum vulgare
Potent antimicrobial and antifungal aromatic leaf; a staple in commercial poultry production for gut health and widely used in canine and equine herbalism for GI and respiratory infections.
Consult Your Veterinarian First
This information is for educational purposes only. Always consult a qualified veterinarian before using herbal remedies for your pet — especially if they are on medication, pregnant, or have existing health conditions.
Species Safety
An herb safe for one species may be toxic to another.
Dogs
SafeDuration: moderate term
Cats
Use CautionDuration: short term
Horses
SafeDuration: moderate term
Rabbits
Use CautionDuration: short term
Birds
SafeDuration: long term
Guinea Pigs
Use CautionDuration: short term
Dosing Guide
General guidance only — always consult your veterinarian.
| Species | Form | Dose | Frequency | Notes |
|---|---|---|---|---|
| Dogs | glycerin tincture | 0.25-0.5 drops /lb | twice daily | Pulsed 5 days on, 2 off for yeast/dysbiosis protocols. |
| Horses | dried herb | 15-30 grams | twice daily | Top-dress on feed for GI and respiratory support. |
| Chickens | dried herb | 0.5-1 grams | once daily | Mix in feed for flock gut health; 1-2% inclusion rate. |
Active Compounds
Compounds marked Cat Unsafe (phenols and many terpenes) cannot be metabolized by feline livers.
Safety Warnings
Essential Oil Form
Oregano essential oil is extremely hepatotoxic to cats and should never be applied, ingested, or diffused around them. Dried herb only for feline use; use extreme caution around all small mammals and birds.
Quick Info
Plant Family
Lamiaceae
Parts Used
leaf, flower
Available Forms
dried herb, glycerin tincture, alcohol tincture, capsule, soft chew
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