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Hair loss occurs during the fall months and starts to grow back in the spring. "Fluctuations in sex hormones can also cause coat changes in some dogs. In males, some testicular tumors can cause ...
Hair loss is originally seen in areas of repeated grooming or trauma, for instance the neck because of contact with a collar. Hair regrowth may occur, but the hair will be even weaker and the pattern will repeat. The dogs are affected between the ages of two to four years, and it is most commonly seen on the back towards the tail.
A dog with skin irritation and hair loss on its leg caused by demodectic mange. Infectious skin diseases of dogs include contagious and non-contagious infections or infestations. Contagious infections include parasitic, bacterial, fungal and viral skin diseases. One of the most common contagious parasitic skin diseases is Sarcoptic mange (scabies).
Worms and other internal parasites can be treated easily but are some of the most common problems seen in dogs. Some of the internal parasites that cause diarrhea and loose stools in puppies ...
For both of these domestic species, flea allergy dermatitis is the most common cause of skin disease. Affected animals develop allergic reactions to chemicals in flea saliva. Symptoms of this reaction include erythema (redness), papules (bumps), pustules (pus-filled bumps), and crusts (scabs). If severe, hair loss will occur in the affected area.
Ear infections are common in both dogs and cats, particularly those with floppy ears or long hair that traps moisture. Treatment is usually non-invasive and involves antibiotics or ear drops, with ...
Frequent formations of lick granulomas in the same area due to the constant licking will cause hardening, callous formation, hair loss (the hair may stop growing back), and hyperpigmentation to that area. [citation needed] Lick granulomas sometimes become infected with bacteria, causing abscessed areas or fistulous tracts . [citation needed]
This is a rare disease that does cause red skin on the belly and, in some cases, has also presented with swollen lymph nodes. There are usually crusts, and dogs have a fever and loss of appetite ...