![]() Lack of hair regrowth due to abnormalities of the hair follicle anatomy or its cyclingĪutotraumatism often caused by pruritic conditions the hair is so short that it can simulate a classic form of alopecia It is also important to see if there is any relationship with the season of the year, previous vaccinations, medications, clipping, surgery, oestrous cycle (pregnancy / whelping) and systemic diseases which may have caused stress, illness or fever. When evaluating a dog with alopecia, it is important to take a complete history to find out the dog's breed, age and sexual status and to characterise the alopecia according to its time of onset (e.g., congenital or acquired), duration, location, pattern (focal, multifocal/patchy or diffuse / symmetrical), degree of pruritus, whether a complete (absence of hairs) or an apparent (broken hairs) hair loss exists and whether it is colour-linked to the coat or not. ![]() Therefore, a methodical approach is required for an accurate diagnosis and a successful management of these cases. They may be concerned because alopecia may be a cosmetic problem especially if it is a show dog/cat, or may indicate an underlying external or internal disease process that needs to be addressed by the veterinary surgeon. Conscientious owners and breeders would easily recognise subtle changes in coat density, which may or may not lead to clinical alopecia. Alopecia is a common problem in dogs and cats and it is often a frustrating one to deal with for both the owner and the veterinary surgeon. UVA + Psoralen = PUVA (Topical and Systemic) 3.
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