What causes itching in a cat? - briefly
Itching in cats is often caused by parasites like fleas or mites, allergies to food or environmental factors, or skin infections such as fungal or bacterial issues.
What causes itching in a cat? - in detail
Itching in cats, medically referred to as pruritus, can arise from a variety of underlying causes, each requiring careful attention to diagnose and manage effectively. Among the most common culprits are external parasites, such as fleas, mites, or ticks. Flea infestations are particularly prevalent and can trigger intense itching, especially in cats with flea allergy dermatitis, where the cat’s immune system overreacts to flea saliva. Mites, including ear mites (Otodectes cynotis) or scabies mites (Sarcoptes scabiei), can also cause severe discomfort and scratching. Allergies are another significant factor, with cats potentially reacting to environmental allergens like pollen, dust, or mold, or to food ingredients such as certain proteins or grains. Contact dermatitis, caused by direct exposure to irritants like cleaning products or certain fabrics, can also lead to itching. Fungal infections, such as ringworm (dermatophytosis), are another possible cause, often accompanied by hair loss and skin lesions. Bacterial infections, secondary to scratching or skin damage, can exacerbate the condition. Additionally, dry skin, often due to low humidity or inadequate grooming, can cause itchiness. Hormonal imbalances, such as hyperthyroidism or diabetes, may also manifest as skin irritation. Stress or anxiety can lead to excessive grooming, which may cause or worsen itching. In rare cases, systemic diseases or autoimmune conditions can be responsible. Identifying the precise cause of itching in a cat requires a thorough veterinary examination, including skin scrapings, blood tests, or allergy testing, to ensure appropriate treatment and relief for the animal.