THE WORKING COUNTER-IRRITANT- Workalin is to be used as an aid in the temporary relief of minor stiffness and soreness caused by over-exertion. Light application acts as a counterirritant to the tissues; Caution excessive brushing may cause blistering of the skin. During treatment the horse can be exercised in accordance with the degree of lameness. All products that are marked ORM-D are not able to be shipped outside of the continental USA or by air