2,540 Possible Causes for Headache in USA

  • Upper Respiratory Infection

    Symptoms include: Rapid onset of symptoms High fever (greater than 101 F or 38.3 C) Severe body aches and/or headache Dry cough Extreme fatigue Chills Pneumonia can be serious … Symptoms include: High fever (greater than 101 F or 38.3 C) Severe, sudden headache accompanied by any of the following: Mental changes (e.g. agitation or confusion) Neck … : Self-care is okay for Mild pain Pain that improves with non-prescription pain reliever (e.g. acetaminophen, ibuprofen) GET MEDICAL CARE IMMEDIATELY if you have headache[1]

  • Acute Gastroenteritis
  • Insect Bite

    typically appear within a few weeks after being bitten by an infected Anopheles mosquito , which can include recurrent high fever, shaking chills and profuse sweating along with headaches … Symptoms like (but not limited to) high fever, severe headaches, pain behind the eyes, rash and mild bleeding (such a nose bleed, bleeding gums, or easy bruising) usually … female Aedes mosquito specifically can also transmit chikungunya , which is characterized by symptoms similar to Dengue fever like fever, severe joint pain and muscle pain, headache[2]

  • Influenza

    They may include Body or muscle aches Chills Cough Fever Headache Sore throat Is it a cold or the flu? … Colds rarely cause a fever or headaches. … It is marked by inflammation of the nasal mucosa, pharynx, and conjunctiva; headache; myalgia; often fever, chills, and prostration; and occasionally involvement of the myocardium[3]

  • Sinusitis

    This leads to the resulting problems of sinus pressure headaches, a runny nose, or stuffy ears. … Her sinusitis had almost completely resolved, as had her headaches, and her arthritis was already much better. … Case #2: 44 year old woman (E.B.) with 15 year history of sinus problems and headaches .[4]

  • Streptococcal Infection

    Centor criteria). [14] Strep throat has an incubation period of 2-4 days and is characterized by sudden onset of sore throat, cervical lymphadenopathy, malaise, fever, and headache … Acute sinusitis manifests as persistent coryza, postnasal drip, headache, and fever. … Conversely, some patients may be toxic, with high fever, malaise, headache, and severe pain upon swallowing.[5]

  • Pneumonia

    Shortness of breath, which may only occur when you climb stairs Additional symptoms include: Sharp or stabbing chest pain that gets worse when you breathe deeply or cough Headache … The initial symptoms of viral pneumonia are the same as influenza symptoms: fever, a dry cough, headache, muscle pain, and weakness.[6]

  • Infectious Mononucleosis

    Headaches are common, and abdominal pains with nausea or vomiting sometimes also occur.[7]

  • Meningitis

    The most common symptoms are fever, headache, and neck stiffness. … In adults, the most common symptom of meningitis is a severe headache, occurring in almost 90% of cases of bacterial meningitis, followed by nuchal rigidity (the inability … Another test, known as the "jolt accentuation maneuver" helps determine whether meningitis is present in those reporting fever and headache.[8]

  • Skin Infection

    It is accompanied by the common symptoms of a viral infection, such as fever, headache and malaise. … Less often, headache, malaise, sore throat and fever may be reported. … major clinical and laboratory manifestations of acute post-streptococcal glomerulonephritis are: CLINICAL FEATURES LABORATORY FINDINGS Abrupt onset Hematuria, cylindruria Headache[9] [10]

Similar symptoms


  1. Colds and Flu: Upper Respiratory Infections, https://www.uhs.umich.edu/coldsflu
  2. How To Tell If A Bug Bite Needs Medical Attention, http://www.huffingtonpost.com/2015/07/14/when-a…
  3. Influenza, http://www.fpnotebook.com/id/virus/Inflnz.htm
  4. Sinusitis, http://www.centerforfoodallergies.com/sinusitis.htm
  5. Group A Streptococcal (GAS) Infections Clinical Presentation: History, Physical Examination, http://emedicine.medscape.com/article/228936-clinical
  6. Pneumonia Symptoms, Causes, and Risk Factors, http://www.lung.org/lung-health-and-diseases/lu…
  7. Infectious mononucleosis, https://en.wikipedia.org/wiki/Infectious_mononucleosis
  8. Meningitis, https://en.wikipedia.org/wiki/Meningitis
  9. Viral Skin Infections. Types of viral skin infections, information, http://patient.info/doctor/Viral-Skin-Infections
  10. Streptococcal Skin Infections, http://www.atsu.edu/faculty/chamberlain/website…