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1856 results for “Bacterial infection”
My cat has a black, scab-like patch on its chin; is it injured?
The black material is a scab from skin damage: black chin (folliculitis), trauma, or fungus. Most cases are black chin starting as coal-like specks, sometimes worsening to infected blood crusts. Use a degreasing shampoo and antibacterial ointment, Elizabethan collar, low-allergen diet, and clean the chin.
This afternoon my dog suddenly vomited several times, then hid, had full-body convulsions and foamy vomit, and died a few minutes later; it never had this before. Was it a disease?
Sudden vomiting, convulsions, foam, and quick death suggest acute onset, possibly poisoning or acute encephalitis. Encephalitis can follow distemper/rabies or be genetic; toxin ingestion also causes these signs and rapid death.

Why Is Your Turtle Vomiting?
Turtle vomiting can follow post-surgery weakness, big temperature swings, spoiled food, gut damage from overfeeding, or toxin ingestion. Fixes range from rest and warm water to antibiotics, probiotics, or induced vomiting for poisoning. This article covers the causes and treatments.
My cat has a few patches like in the photo and one or two small itchy bumps; is it ringworm, and is it serious?
From the distant photo, ringworm is hard to confirm. Suspected cases: shave fur 2cm around, check with a Wood's lamp (green glow confirms), then clean with peroxide and apply antifungal cream (terbinafine, ketoconazole, itraconazole). Use an Elizabethan collar and disinfect the environment; if no glow, get a skin scrape at the vet.
My dog’s foot is red and swollen with pus bumps; what is going on?
Redness, swelling, and pus bumps suggest interdigital dermatitis or pyoderma; one wound even has maggots, meaning deep infection. See a vet; possible bone injury from trauma. Use an Elizabethan collar, clean, disinfect, drain pus, and keep dry; supplements help recovery.
My dog just turned two months old; because of a tick bite it was shaved and given a medicated bath, then slept with the AC on. For three days it barely ate, only goat milk, but energy and stools were normal. On day five it ate, but in the afternoon spiked to 40.7C, and shots and medicine did not bring the fever down; it stayed 39.5-40. The dog is unvaccinated, no distemper, weight 0.95kg.
Persistent high fever needs prompt vet care; it may signal bacterial pneumonia, gut infection, blood parasites, distemper, or parvovirus. Non-viral cases are easier to treat. Fever is usually lowered by injection plus physical cooling while the vet finds the cause.
What causes black scabs on a male cat’s testicles?
Black scabs may come from accumulated secretions, or from a wound that bled and crusted. If no other symptoms, use pet antiseptic and an Elizabethan collar. Scrotal inflammation from trauma, over-licking, or infection is also possible and needs cleaning plus antibiotic ointment.
I found many dark brown patches on my dog’s back when grooming it a few days ago.
Dark brown patches may be normal melanin deposits from sun or aging. But fungal, bacterial, or parasitic infection can also cause them with redness, hair loss, or itching. See a vet if other skin symptoms appear.
My dog has redness and hair loss around its nose, eyes, and mouth; what could it be and how to treat it? Can I use the iodine and erythromycin we have at home?
Redness and hair loss around the eyes and mouth may be bacterial, fungal, or parasitic. A skin scraping at the vet is needed for targeted treatment. Demodex often affects those areas; if confirmed, use mite medications with mibemycin or ivermectin.
What disease causes red bumps on a dog’s ears?
Red bumps on a dog's ears may be caused by bacterial folliculitis or mosquito bites. Mosquito bites usually heal on their own, while folliculitis needs veterinary diagnosis and treatment. Check the dog's body and seek prompt care if symptoms are severe.