ExoticRx · exoticrx.com/drugs/altrenogest
US brand names:Regu-Mate, Matrix
Altrenogest is dosed at 0.02–0.04 mg/kg PO q24h in guinea pigs, per Carpenter's Exotic Animal Formulary, 6th Ed. Verify against current literature before clinical use.
Synthetic progestagen that suppresses estrus by inhibiting gonadotropin release. Used for estrus synchronization in mares and gilts.
EXTREME caution in handling — readily absorbed through skin. Women of childbearing age must use protective gloves. Do not use in horses intended for food.
Species references:All Dog (Domestic) drugsAll Guinea Pig drugsAll Horse (Equine) drugsAll Swine (Pig) drugs
Each ExoticRx dose rule is graded by the strength of its primary evidence — see the editorial process.
A dog/cat sample is shown here. Cited dosing for all 4 species — reptiles, birds, pocket pets, livestock, and equine — is free on the per-species pages above. Pro adds the weight-based calculator for every species.
| Species | Route | Dose | Frequency | Evidence | Source |
|---|---|---|---|---|---|
| Dog (Domestic) | PO | 0.03–0.04 mg/kg | q24h | Weak | Plumb's Veterinary Drug Handbook, 9th Ed |
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View PlansSource citations and evidence levels available on the live page. Reference only — verify against current literature before clinical use.