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9.0:
Headache associated with noncephalic infection
9.1:
Viral infection
Individuals
who suffer from fever that is associated with septicemia or infectious
diseases often complain of dull, deeply situated headaches and aching of
their eyeballs. The mechanism of such pain is not understood. Sutherland
and Wolff (1940) have compared it to headaches produced by injections of
histamine. Wolff (1955) noted cerebral vasodilation in experimental
animals that had been given typhoid vaccine. He concluded that headaches
associated with acute infections, sepsis, and bacteremia are primarily
caused by the distention of intracranial arteries. Patients with diffuse
viral infections not necessarily an aseptic meningitis will often suffer
diffuse severe headache.
9.2:
Bacterial infection
Systemic
bacterial infection producing a septicemia may produce a diffuse deeply
situated dull headache particularly referred to the retroorbital region.
The exact mechanism is not well-known, but it appears to be due to
dilatation of intracranial arteries secondary to the accompanying fever.
9.3:
Headaches related to other infection
A
variety of systemic infections include those producing fever, may
produce headache even though the central nervous system is not invaded.
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