Pet Wellbeing - Nettle-Eyebright Gold for Dogs with Allergies - A Natural, Herbal Supplement - 2 oz (59 ml) Liquid Bottle Supports healthy, normal response to seasonal allergies Helps maintain normal immune activity and histamine response Helps symptoms like watery eyes, sneezing, breathing difficulties associated with airborne allergens May reduce swelling and excess mucous production in nasal passages 1 Bottle = 2oz (59ml) is a 1 month supply for most medium sized (up to 50lb) dogs