A substance capable of producing pyrexia (i.e., fever).
A substance which causes a fever.
Substance (e.g., bacterial toxin) that raises body temperature.
An agent, such as bacteria, viruses, or inflammatory disorders, that causes fever.
Any substance or agent that tends to cause a rise in body temperature and produces fever.
Any agent that causes fever. It may be exogenous, such as bacteria or viruses, or endogenous, produced in the body. The latter are usually in response to stimuli accompanying infection or inflammation.
Within the bloodstream, there exists a chemical compound that instigates an elevation in the body’s temperature.
A compound that induces fever. This term typically pertains to proteins released by white blood cells as a response to infections. It is also occasionally utilized to describe substances discharged by microorganisms.