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Vasoconstriction

 

Vasoconstriction is the narrowing (constriction) of blood vessels by small muscles in their walls. When blood vessels constrict, blood flow is slowed or blocked.

Vasoconstriction may be slight or severe. It may result from disease, drugs, or psychological conditions. Medicines that cause vasoconstriction include:

  • Decongestants, including pseudoephedrine
  • Cough and cold combinations
  • Caffeine

Medicines may be used to increase or reduce vasoconstriction in very ill people.

 

 
  • Vasocontriction

    Vasocontriction - illustration

    Vasoconstriction is constriction or narrowing of a blood vessel. When a blood vessel constricts, the flow of blood is restricted or slowed. Medications may be used to treat vasoconstriction or to cause vasoconstriction.

    Vasocontriction

    illustration

    • Vasocontriction

      Vasocontriction - illustration

      Vasoconstriction is constriction or narrowing of a blood vessel. When a blood vessel constricts, the flow of blood is restricted or slowed. Medications may be used to treat vasoconstriction or to cause vasoconstriction.

      Vasocontriction

      illustration


     

    Review Date: 1/31/2015

    Reviewed By: Linda J. Vorvick, MD, Medical Director and Director of Didactic Curriculum, MEDEX Northwest Division of Physician Assistant Studies, Department of Family Medicine, UW Medicine, School of Medicine, University of Washington, Seattle, WA. Also reviewed by David Zieve, MD, MHA, Isla Ogilvie, PhD, and the A.D.A.M. Editorial team.

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