Abstract: A device for treating headaches includes an eye mask which may be formed and configured to cover both eyes or, alternatively, one eye of the user. The eye mask is provided with straps which are secured behind the head to hold the eye mask in the desired, operative position. The inner facing side of the eye mask is provided with soft, compliant membrane portions forming rear walls of left and right containers. The containers are provided with a fill cap which removes to facilitate filling of a liquid or gel through an opening and into an interior chamber in direct, temperature transferring relation to the respective compliant membrane portions. The liquid or gel may be brought to a desired temperature just prior to filling or, alternatively, when filled within the reservoir. The compliant membrane portions are provided with a concave configuration for congruent receipt with the periphery of the eyes and the upper and lower eye lids when the user's eyes are closed.