2,910 Possible Causes for Headache in USA

    • Upper Respiratory Infection

      Myalgias are characteristic in influenza, especially in the setting of hoarseness with sudden sore throat, fever, chills, nonproductive cough, and headache. … In adults, the classic triad of facial pain, headache, and fever is not common. [7] The 2013 American Academy of Pediatrics (AAP) guidelines define acute bacterial sinusitis … […] processes the products of the inflammatory process; foul breath may also occurs with allergic rhinitis Hyposmia: Also termed anosmia, it is secondary to nasal inflammation Headache[1]

    • Acute Gastroenteritis
    • Insect Bite

      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 … But in severe cases, patients will typically experience headaches, body aches, joint pains, vomiting, diarrhea and/or rash, and hospitalization can be necessary to provide … […] 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

      Colds rarely cause a fever or headaches. … They may include Body or muscle aches Chills Cough Fever Headache Sore throat Is it a cold or the flu? … It is marked by inflammation of the NASAL MUCOSA; the PHARYNX; and conjunctiva, and by headache and severe, often generalized, myalgia.[3]

    • Sinusitis

      headaches. … Often a localized headache or toothache is present, and it is these symptoms that distinguish a sinus-related headache from other types of headaches, such as tension and migraine … A 2004 study suggested that up to 90% of "sinus headaches" are actually migraines.[4]

    • Streptococcal Infection

      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. … 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[5]

    • Tension Headache

      Tension headache is a common type of primary headache. … Headaches, including tension-type headache, migraine, cluster headache and chronic daily headache syndromes, are the most common disorder of the nervous system. … Tension headache is diagnosed by the clinical symptoms of the headache.[6]

    • Pneumonia

      The initial symptoms of viral pneumonia are the same as influenza symptoms: fever, a dry cough, headache, muscle pain, and weakness. … 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[7]

    • Infectious Mononucleosis

      The rare patient with CNS involvement may complain of a headache, visual disturbances and dizziness.  … Prodrome of general malaise, fatigue and headache may start 3-4 days prior to the actual sore throat and fever. … Headaches are common, and abdominal pains with nausea or vomiting sometimes also occur.[8] [9]

    • Meningitis

      Signs and symptoms The common symptoms are fever, headache and neck stiffness. … The most common symptoms of meningitis are fever, headache, neck stiffness and altered mental status. … Typical signs and symptoms include severe headache, nuchal rigidity, fever, altered mental status, photophobia, phonophobia or vomiting.[10]

    Further symptoms

    Similar symptoms


    1. Upper Respiratory Tract Infection Clinical Presentation: History, Physical Examination,…
    2. How To Tell If A Bug Bite Needs Medical Attention,…
    3. Influenza,
    4. Sinusitis,
    5. Group A Streptococcal (GAS) Infections Clinical Presentation: History, Physical Examination,
    6. Tension Headache,
    7. Pneumonia Symptoms, Causes, and Risk Factors,…
    8. Infectious Mononucleosis,…
    9. Infectious mononucleosis,
    10. Meningitis,