pressor

Adjective

• increasing (or tending to increase) blood pressure
  • pressor reflexes
    

Noun

• any agent that causes a narrowing of an opening of a blood vessel: cold or stress or nicotine or epinephrine or norepinephrine or angiotensin or vasopressin or certain drugs; maintains or increases blood pressure

Related words

• Synonyms: 
  vasoconstrictor , vasoconstrictive