Schering-plough Healthcare Products Inc.

Kurt G Van Scoik

Joseph A Haslwanter

William J McLaughlin

Marcia S Schlesinger

David M Oakley

Frank A Anthony

An aqueous-based sprayable composition comprises a therapeutic or palliative agent, water and a mixture of microcrystalline cellulose and alkali metal carboxyalkylcellulose. In one embodiment, the composition is a non-Newtonian nasal spray exhibiting a very rapid viscosity recovery upon removal of shear forces.

Spray composition

Ectoparasites, such as fleas, ticks, mites and lice, are removed from a human or animal host after applying a composition to the affected area that causes desiccation of the organism. In one embodiment, treatment is effected by applying a substantially anhydrous composition that has a strong affinity for water. As the composition hydrates, it desiccates the pests and facilitates their mechanical removal, such as by combing.

Removal of ectoparasites

Ectoparasites, such as fleas, ticks, mites and lice, are removed from a human or animal host after applying a composition that causes the temperature of the treated area to become higher or lower than normal. In one embodiment, treatment is effected by applying a composition that releases heat when contacted with water. The elevated or decreased temperature immobilizes the parasites and facilitates their mechanical removal, such as by combing.

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Germantown, TN, United States of America

Kurt G Van Scoik