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4,059 Possible Causes for Low Fever

  • Upper Respiratory Infection

    Symptoms may last 4-14 days and include: Runny nose and/or sneezing Coughing Sore throat Head and body aches Low fever (less than 101 F or 38.3 C) Congestion of the ears,[] fever Chills Watery discharge from the nose that thickens and turns yellow or green Mild fatigue How is an upper respiratory infection diagnosed?[] […] an upper respiratory infection: Stuffy, runny nose Scratchy, tickly throat Watery eyes Sneezing Mild hacking cough Congestion Sore throat Achy muscles and bones Headaches Low-grade[]

  • Infectious Mononucleosis

    A low-grade fever occurs at first, and then rises to above 100 degrees after the third or fourth day. Sometimes, the liver and spleen are affected and enlarged.[] fever, fatigue and prolonged malaise.[] The fever in infectious mononucleosis is low grade but continuous. The sore throat is often the second complaint and may vary from moderate to severe.[]

  • Acute Bronchitis

    It can also cause shortness of breath, wheezing, a low fever, and chest tightness. There are two main types of bronchitis: acute and chronic .[] Symptoms may also include wheezing (a whistling or squeaky sound when you breathe), chest pain or discomfort, a low fever, and shortness of breath .[] Low fever 5. Chest discomfort 6. Shortness of breath 7. Cold symptoms, such as headache, fatigue, and watery eyes.[]

  • Insect Bite

    More serious infections that may require the help of antibiotics include low grade fever, severe swelling and worsening redness.[] […] grade fever may accompany bites.[] […] bumps Bumps can be puffy with a red dot in the middle Bites may appear as small as blisters instead of bumps bite symptoms Itching notes For children, large swelling or low[]

  • Urinary Tract Infection

    fever (less than 101 F) Cloudy or bloody urine Pressure or cramping in the groin or lower abdomen Kidney infections are less common but more serious.[] Cystitis If a person has a bladder infection, they could also experience low fever, and pressure and cramping in the abdomen and lower back.[] fever Night sweats, shaking or chills Lesser-Known UTI Symptoms in Seniors Older individuals with UTIs may not exhibit any of the hallmark signs listed above because their[]

  • Appendicitis

    fever Nausea and vomiting Rebound tenderness: tenderness when pressure applied to the lower right abdomen is released More Advanced Symptoms Abdomen swelling and rigidity[] Other symptoms may include Swelling in the abdomen Loss of appetite Nausea and vomiting Constipation or diarrhea Inability to pass gas Low fever Not everyone with appendicitis[] Also, symptoms can include: a low fever, nausea, vomiting, gas pain, diarrhea, swollen abdomen or a loss of appetite. Symptoms may vary by the age of the child.[]

  • Influenza

    Fever may vary widely among patients, with some having low fevers (in the 100 F range) and others developing fevers as high as 104 F.[] The most common side effects from a flu shot are: Achiness Low-grade fever Soreness where the shot was given If you have them at all, these side effects are usually mild and[] fever.[]

  • Sinusitis

    fever, usually less than 101 F Importantly, the presence of these additional symptoms does not help distinguish simple, acute viral sinusitis -- for which antibiotics are[] fever Low energy Headache How can a cold or allergy become sinusitis?[] Low-grade fever may be periodic but is usually not prominent.[]

  • Pharyngitis

    fever (less than 102 degrees F) Mild headache Sore throat with flu: Fatigue Body aches Chills Fever higher than 102 degrees F Sore throat with mononucleosis: Enlarged lymph[] In addition to a sore, dry, or scratchy throat , a cold or flu may cause: sneezing runny nose headache cough fatigue body aches chills fever (a low-grade fever with a cold[] […] rashes Swollen lymph glands in the neck Depending on what illness is causing the sore throat, symptoms can vary, as in the following: Sore throat with cold: Sneezing Cough A low[]

  • Pneumonia

    Bronchitis can cause: Cough Production of mucus Shortness of breath Wheezing Chest tightness Low fever and chills Fatigue Most bronchitis is caused by viruses.[] Low fever and chills – A fever is your body’s natural response to an infection as it activates the immune system.[] Fever iStock/KatarzynaBialasiewicz You may develop a low-grade fever with an upper respiratory infections (URI); it’s not common, but also not impossible.[]

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