Spiculosis is a rare congenital skin condition^[1] found in young^[2] male Kerry Blue Terriers.^[3] It could also occur in older females of the species.^[4] The condition is characterized by hyperkeratosis of individual hair follicles which leads to the creation of abnormally-thickened and spiked hairs, known as spicules.^[5] These can be painful but groomers are usually equipped to remove them or even pet owners by just soaking the dog in warm water and Epsom salts.^[6] In a case where the spicules become infected, additional treatment is sometimes necessary.^[7] Most cases have responded to dietary retinoid supplementation such as acitretin or etretinate.^[8] in severe cases, isotretinoin is prescribed.^[9] In less common cases, reports have been received of acral lick dermatitis and acral lick granuloma have been reported.^[10]

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