Question: what is the best dog shampoo for itching?
Answer: Best medicated shampoo overall: Veterinary Formula Clinical Care Antiparasitic and Antiseborrheic Medicated Shampoo.
Best for skin allergies: Vet's Best Oatmeal Medicated Shampoo.
Best for bacterial infection: Curaseb Chlorhexidine 4% Medicated Shampoo for Dogs & Cats.