Possible Causes for Low Fever in USA

  • Upper Respiratory Infection
    Low Fever Fever

    Upper respiratory infections include the components of the upper airway and are most commonly caused by viruses. The onset of symptoms occurs 2 to 3 days after exposure to the infectious agent. The illness usually lasts for 7 to 10 days. Nasal congestion, sneezing and sore throat are the hallmarks of the…[1]

  • Infectious Mononucleosis
    Low Fever Fever

    Infectious mononucleosis is a common viral infection known to cause pharyngitis and fever. It is primarily an infection of teenagers and young adults caused by the Epstein Barr virus. The majority of patients with infectious mononucleosis have mild symptoms. However a few will complain of the following features: Once…[2]

  • Rubella
    Low Fever Fever

    Low fever of less than 38.3 °C (101 °F).[3]

  • Mycoplasma Infection
    Low Fever Fever

    Mycoplasma infection commonly refers to respiratory illness and pneumonia caused by Mycoplasma pneumoniae or to genital tract infection caused by other Mycoplasma species. Patient may remain asymptomatic or present with following signs and symptoms: Non-productive cough Pharyngitis Low-grade fever Headache…[4]

  • Chronic Myeloid Leukemia
    Low Fever Fever

    Chronic myeloid leukemia (CML), also known as chronic myelogenous leukemia, is the most common myeloproliferative disorder. Most of patients with chronic myelogenous leukemia are diagnosed in the chronic phase and then progress to the accelerated and blast phases in 3 to 5 years. The diagnosis of chronic myeloid…[5]

  • Abscess
    Low Fever Fever

    An abscess is a localized collection of pus in a cavity formed by disintegration of tissues, characteristically caused by staphylococci or streptococci, but also caused by parasites and foreign materials. There are two types of abscesses, septic and sterile. It is frequently associated with swelling, local pain, redness…[6]

  • Brain Abscess
    Low Fever Fever

    A brain abscess or cerebral abscess is formed as a result of an inflammation and infection of the brain parenchyma secondary to remote or contiguous infections. Patients with brain abscess remain symptomatic for up to 2 weeks in 60% of cases, depending on the severity and the timing of medical intervention. The…[7]

  • Chronic Hepatitis C
    Low Fever Fever

    Hepatitis C is an infectious disease caused by the hepatitis C virus. If such an infection persists for more than six months, it is deemed chronic hepatitis C, and this condition bears high risks of liver cirrhosis or malignant degeneration. An acute stage of hepatitis C infection has been described, but most patients…[8]

  • Brucellosis
    Low Fever Fever

    Brucellosis is an infectious disease caused by any of several species of the Brucella genus: Brucella melitensis, Brucella abortus, Brucella suis and Brucella canis. Acute brucellosis may present with symptoms such as: Fever with chills and rigors  Anorexia  Headache Abdominal pain Muscular pain Fatigue and weakness…[9]

  • Chronic Fatigue Syndrome
    Low Fever Fever

    Chronic fatigue syndrome is characterized by persistent fatigue and other specific symptoms that last for a minimum duration of six months. This syndrome presents with a sudden onset of flu like symptoms with no prior history of severe exhaustion. With the onset of flu like symptoms patient complains of severe…[10]

Low Fever

A subfebrile state is marked by a body temperature slightly above normal.

Further symptoms

Similar symptoms


  1. Upper Respiratory Infection, Symptoma
  2. Infectious Mononucleosis, Symptoma
  3. Wikipedia: Rubella, CC-BY-SA-3.0
  4. Mycoplasma Infection, Symptoma
  5. Chronic Myeloid Leukemia, Symptoma
  6. Abscess, Symptoma
  7. Brain Abscess, Symptoma
  8. Chronic Hepatitis C, Symptoma
  9. Brucellosis, Symptoma
  10. Chronic Fatigue Syndrome, Symptoma