A combination of compounds for treating skin diseases and particularly rosacea and ocular rosacea is described. The combination of a compound of the avermectin family or of the mylbemycin family with a compound of the family of the alpha-1 or alpha-2 adrenergic receptor agonists is also described. In addition, a product in the form of a kit including: (a) a first composition containing a compound of the avermectin family or of the mylbemycin family, and (b) a second composition different from the first one and containing a compound of the family of the alpha-1 or alpha-2 adrenergic receptor agonists, as a combination product to be used as a drug for treating and/or preventing skin diseases and particularly rosacea and ocular rosacea, wherein said first and second compositions can be applied simultaneously, separately or with a time delay is described.
