Lizard Formulary - Antiparasitic

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Antiparasitic

Parasitic infections are common in lizards especially wild caught specimens. Environmental treatment is important.

Albendazole

  • Antinematode
  • 50 mg/kg PO as a single dose

Emetine

  • Antiamoeba, antitrematode
  • 0.5 mg/kg IM, SC q24h 10d

Fenbendazole

  • Antinematode
  • 100 mg/kg PO as a single dose

Ivermectin

  • Antinematode, antiascarid
  • May cause skin discoloration at injection site in chameleons
  • Not for use in chelonia
  • -0.2 mg/kg IM, SC, PO
  • Repeat as appropriate

Levamisole

  • Antinematode including lungworms
  • Avoid concurrent use with chloramphenicol
  • Avoid in debilitated animals
  • Low dose may stimulate depressed immune system
  • Can be used IM but less effective
  • 10 mg/kg SC, ICo, repeat in 2 weeks
  • 200 mg/kg PO as a single dose

Metronidazole

  • antiprotozoal
  • 100 mg/kg PO q3d 2-3w
  • 125-250 mg/kg PO, repeat in 2 weeks
  • 40 mg/kg PO, repeat in 2 weeks for trichomonad ocular lesions in geckos
  • 200 mg/kg PO, repeat in 2 weeks for trichomonad SC lesions in geckos

Nitrofurazone

  • Anticoccidia
  • Seldom used
  • 25.5 mg/kg PO

Oxfendazole

  • Antinematode
  • 68 mg/kg PO as a single dose

Paronomycin

  • Antiamoeba
  • 35-100 mg/kg PO q24h up to 4w

Praziquantel

  • Anticestode, antitrematode
  • 3.5-7.5 mg/kg SC
  • 100 mg/kg PO

Pyrantel palmoate

  • Antinematode
  • 5mg/kg PO, repeat in 2w

Sulphadiazine, sulphamerazine

  • Anticoccidia
  • Administer fluids concurrently
  • Do not use with renal impaired animals
  • 25 mg/kg PO q24h 3w
  • 50 mg/kg q24h 3d, then 3d off, then 3d on
  • 75 mg/kg PO then 45 mg/kg q24h 5d

Thiabendazole

  • Antinematode
  • 50-100 mg/kg PO, repeat in 2w