Small Animal Dermatology, 3rd edition

(Tina Sui) #1

748 APPENDIX B DRUG FORMULARY


Drug name (tradeor other names)

Pharmacology andindications

Adverse effects andprecautions

Dosing information andcomments

Formulations

Dosage (unlessotherwise indicated,dose is the same fordogs and cat)

ACTH


See Corticotropin.

Afoxalaner

Antiparasitic drug.Isoxazoline: selectiveinhibitor of arthropodGABA andL-glutamate-gatedchloride channels.

Labeled use: flea and tickpreventative. Off-labelefficacy against sarcoptidmites and demodicosis.

Dog: 2.5 mg/kg every 4weeks po.

Amikacin (Amiglyde-V[veterinary] and Amikin[human])

Aminoglycosideantibacterial drug (inhibitsprotein synthesis).Mechanism is similar toother aminoglycosides(see Gentamicin sulfate),but may be more activethan gentamicin.

May causenephrotoxicosis with highdoses or prolongedtherapy. May also causeototoxicity andvestibulotoxicity. (SeeGentamicin sulfate.)

Once-daily doses aredesigned to maximizepeak minimum inhibitoryconcentration (MIC) ratio.Consider therapeutic drugmonitoring for chronictherapy. (See alsoGentamicin sulfate.)

50, 250 mg/mLinjection.

Dog and cat: 6.5 mg/kgq8hIV,IM,SC;orDog: 15–30 mg/kg q24hIV,IM,SC;Cat:10–14 mg/kg q24h IV, IM,SC.

Amitraz (Mitaban)

Antiparasitic drug forectoparasites. Used fortreatment of mites,including

Demodex.

Inhibits monoamineoxidase in mites.

Causes sedation in dogs(α

-agonist), which may 2
be reversed by yohimbineor atipamezole. Whenhigh doses are used, otherside effects reportedinclude pruritus, polyuriaand polydipsia (PU/PD),bradycardia, hypothermia,hyperglycemia, and(rarely) seizures.

Manufacturer’s doseshould be used initially.But for refractory cases,this dose has beenexceeded to produceincreased efficacy.

10.6 mLconcentrated dip(19.9%).

10.6 mL per 7.5 L water(0.025% solution). Apply3–6 topical treatmentsq14d. For refractory cases,this dose has beenexceeded to produceincreased efficacy. Dosesthat have been usedinclude: 0.025, 0.05, and0.1% concentrationapplied 2

×


per week and

0.125% solution appliedto one-half of the bodyevery day for 4 weeks to 5months.
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