Fever is a symptom not a disease, therefore, discovering its cause is a high priority. This is most difficult during the onset as there are few concomitant symptoms. Simple remittent fevers are often related to colds, coughs, flu, and other simple infections. Please compare the information in those chapters for confirmatory symptoms.
Intermittent fever is related to diseases likes malaria.
Hectic fever is seen in septic conditions like a localized infection from TB, internal abscesses, blood poisoning. Fever may also be concomitant to several chronic constitutional syndromes. Any fever that is over 101 F for more than a sort period of time needs to be assessed by a medical professional. Any fever that rises suddenly to high temperatures, such 103 to 104, needs immediate professional help as this can be a sign of a serious condition. The remedies given here are for simple, uncomplicated fevers as any other type of fever may need professional attention.