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What chlorhexidine is safe for turtle shell rot and how to dilute?

Updated on September 23rd, 2025

My turtle has a case of shell rot and I know how to treat it at home but I'm not sure where to find the chlorhexidine (Nolvasan). Is it the same formula used for humans that can be found in any drug store or is there a special formula for turtles? Also, does it have to be diluted in water and by how much? Thank you

1 Answer

Most Helpful Answer

Angel Alvarado, LVT

Answered By Angel Alvarado, LVT

Licensed Veterinary Technician

Published on September 9th, 2017

Yes, you can purchase chlorhexidine in most pharmacies. It may be generic chlorhexidine or Hibiclens which is the brand name. You can also use Betadine solution.
Dilute the chlorhexidine to a "sky blue". Some use a 2 tablespoons in 1 gallon of water dilution. The Betadine (povidone) can be diluted to the color of medium tea.
Whichever you use, gently scrub the shell first then apply silvadene cream to the affected areas. Keep Squirt in dry dock, allowing 30 minute swim to eliminate and rehydrate, daily.
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