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Delivery of antihistamines through an inhalation route

  • US 6,740,308 B2
  • Filed: 05/21/2002
  • Issued: 05/25/2004
  • Est. Priority Date: 05/24/2001
  • Status: Expired due to Term
First Claim
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1. A composition for delivery of an antihistamine comprising a condensation aerosola) formed by volatilizing an antihistamine under conditions effective to produce a heated vapor of the antihistamine and condensing the heated vapor of the antihistamine to form condensation aerosol particles, b) wherein said condensation aerosol particles are characterized by less than 5% antihistamine degradation products, and c) wherein the aerosol MMAD is less than 3 microns.

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