My pitbull has fluid-filled bumps under his skin, what could it be?
Updated On September 23rd, 2025
Pet's info: Dog | Pit Bull Terrier | Male | unneutered | 3 years and 6 months old | 50 lbs
My pitbull has patches small hard bumps under the skin that contain fluid on his side towards the rear and the backs of his legs
4 Answers
Most Helpful Answer
Published on August 11th, 2017
Hi, thanks for using Petcoach! Poor Catfish (great name!) There could be a couple of things that are causing multiple bumps under the skin. Pit bulls have sensitive skin so it could be a skin infection or even hives from an allergic reaction. You can try Benadryl 25mg tablets 2 every 8 hours and a medicated shampoo. But if things get worse or the bumps don't resolve I recommend seeing your Vet. He may need steroids or an antibiotic. Below is a link of a shampoo I like. Bathe 2-3 times per week and leave the lather on for 10 mins on the affected areas before rinsing. Hope this helps and good luck! https://www.chewy.com/dog/dp/110817?utm_source=google-product
1Pet Parents found this answer helpful
Related Answers from Veterinarians
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Published on October 6th, 2018
Hi, thanks for using Petco Pet Education Center, formerly Petcoach! Poor Snuggles! Common causes of a skin condition like this are: bacterial skin infection, demodex (non-contagious mite) and less likely ringworm. I would get him to you Vet next week to have him evaluated, bring stool, have his vaccines started, start Nexgard which is a monthly flea/tick medication that gets demodex and likely oral antibiotics. Good luck!
2Pet Parents found this answer helpful
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Published on May 30th, 2017
It looks like your dog has quite a few lesions! From the photos there appear to be papules and some pustules (filled with fluid or pus). It is quite possible these are related to allergies and he has a secondary bacterial infection of the skin. Other possibilities would be parasitic skin infection such as mites but they usually cause more hair loss and scabs. A vet visit is needed to confirm if this is a skin infection and get appropriate medication (antibiotics) if that is the case. Your vet may do a skin scrape to check for mites or a cytology of the rash to check for bacteria.
2Pet Parents found this answer helpful
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Published on July 11th, 2017
Oh, poor Lucky! It is common for dogs to develop rashes this time of year due to the increase in pollen counts (environmental allergy) and parasites (fleas, mosquitos) that we typically see. The lesions that are present on Lucky's legs look to resemble what we see in patients with superficial pyodermas (bacterial infections of the skin), but we can also see these with patients that develop Demodectic mange (a mange mite that is found normally in the hair follicle but experiences an overgrowth). You can try bathing Lucky in a soothing shampoo, such as an aloe and oatmeal shampoo. If the lesions become worse or Lucky becomes itchy it would be best to have him seen by his veterinarian to see if any additional treatment is required. A skin scrape may be performed to rule-out Demodectic mange, and a skin cytology may be performed to check for the presence of bacteria. Some patients then require medicated topical shampoos, +/- systemic antibiotics, +/- anti-pruritic (anti-itch) medications to try to soothe the skin.
2Pet Parents found this answer helpful
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