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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, medicines, or psychological conditions. Medicines that cause vasoconstriction include:

  • Decongestants, including pseudoephedrine
  • Cough and cold combinations

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

Open References

References

Taber's Medical Dictionary Online website. www.tabers.com/tabersonline. Accessed March 15, 2023.

  • Vasoconstriction

    Vasoconstriction - 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.

    Vasoconstriction

    illustration

  • Vasoconstriction

    Vasoconstriction - 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.

    Vasoconstriction

    illustration

 

Review Date: 2/2/2023

Reviewed By: Linda J. Vorvick, MD, Clinical Professor, Department of Family Medicine, UW Medicine, School of Medicine, University of Washington, Seattle, WA. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.

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