My friend developed a dash like thing on his leg

Patient

Q: My friend developed a dash like thing on his leg few days after fishing at Mississippi river it blistered up and is spreading terrible itchiness losing sleep cause of it

Symptoms:  Rash itchy blistering spreading
Doctor

A:   Hi.
Read and understood your query about your friend.

You're posting a good quality photograph would have helped me to answer in more appropriate way; yet, the information provided by you is indicating that there might have been brushed with some water creature with his leg causing blisters and terrible itching.

I would advise you in such a situation to give him some antihistamine and apply liquid povidone iodine to the local area and surrounding skin to avoid secondary infection and take him to the Doctor / ER / Hospital ASAP.

Hope this helps.

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