Human: How can I get rid of a persistent rash that I have on my arms and legs? Assistant: 
The best way to get rid of a persistent rash is to consult your doctor. They can help you determine the cause and suggest treatments that may be most effective for you. Depending on the type of rash, some medications or topical creams may be recommended. Additionally, keeping the area clean and dry, avoiding scratching, and using moisturizers may help alleviate symptoms.