Estriol / Evalon Estriol CategorySynthetic hormonesActionShort acting oestrogenIndicationManagement of urethral sphincter mechanisms incompetence (develops in spayed bitches)DoseDog - (PO q24hr)Initial dose - 1mg/dogIf treatment is successful- dose reduce to 0.5mg/kgIf treatment is not successful- dose increase to 2mg/kgContraindicationsIntact bitchesAdverse EffectsIntact bitchesAvailability DOSE CALCULATOR