Fever: Causes & Reasons

Possible Causes for Fever

Common cold and flu are the most common human illnesses, and over-the-counter (OTC) analgesics are widely used to treat the pain and fever symptoms. [ncbi.nlm.nih.gov]

But seek medical attention right away if your child has any of the following: Fever of 100.4 F (38 C) in newborns up to 12 weeks Rising fever or fever lasting more than two [mayoclinic.com]

There is also no evidence that these medicines prolong the course of colds and flu by any effect on the immune system or by reducing fever. [ncbi.nlm.nih.gov]

Acute Bronchitis

Mild fever may be present, but high or prolonged fever is unusual and suggests influenza or pneumonia. [merckmanuals.com]

Call your provider if you: Have a cough on most days, or have a cough that keeps returning Are coughing up blood Have a high fever or shaking chills Have a low-grade fever [nlm.nih.gov]

The most common symptom is cough, with or without fever, and possibly sputum production. Diagnosis is based on clinical findings. [merckmanuals.com]

Viral Upper Respiratory Infection

We report the cases of eight military patients with fever (≥38°C) induced by viral upper respiratory tract infection (URTI) who requested treatment with acupuncture in the [ncbi.nlm.nih.gov]

Second, we only included patients with fever, which may not be presented in many URTIs. [bmcinfectdis.biomedcentral.com]

In viral nasopharyngitis patients have profuse nasal discharge, fever, halitosis, mouth breathing leading to dry mouth, hyposmia, sneezing and odynophagia, symptoms that occur [symptoma.com]

Upper Respiratory Infection

Seek medical attention when you have a fever that is greater than 100.4°F or 38°C, fever unresponsive to fever reducer, fever present for more than two to three days, or a [campushealth.unc.edu]

[…] transplant complicated by recurrence of focal segmental glomerulosclerosis and post-transplant lymphoproliferative disorder, presented nearly 2 years after transplantation with fever [ncbi.nlm.nih.gov]

Abstract XSQJ bag tea was used to treat 239 cases of high fever caused by viral upper respiratory infection, widely spreading in summer and autumn. [ncbi.nlm.nih.gov]

Urinary Tract Infection

Enteric fever caused by Salmonella Typhi is a global public health problem. [ncbi.nlm.nih.gov]

In babies, the most common signs include fever, irritability, vomiting and diarrhea, poor feeding, and failure to gain weight, but most babies will just have a high fever [childrenshospitaloakland.org]

A baby with a UTI may have a fever, throw up, or be fussy. Older kids may have a fever, have pain when peeing, need to pee a lot, or have lower belly pain. [kidshealth.org]

Acute Gastroenteritis

Rotovirus, low grade fever, malaise, nausea and vomiting as well as diarrhea. 5. [slideshare.net]

It has been suggested that high fever is generally caused by bacteria, while mild fever indicates viral gastroenteritis. [symptoma.com]

This disease is characterized by vomiting and/or diarrhea with blood or mucus, discomfort, fever, and nonspecific abdominal pain. [ncbi.nlm.nih.gov]

Viral Disease

The fever may be low grade or high grade and remittent. [webhealthcentre.com]

ONNV fever, characterized by severe arthralgia, is similar to chikungunya fever, with the exception of cervical lymphadenitis, which is peculiar to the former. [ncbi.nlm.nih.gov]

What causes viral hemorrhagic fevers? [hopkinsmedicine.org]

Adenovirus Infection

[…] period of 1-14 days, whereas rhinitis, fever, and cervical lymphadenopathy are typical for pharyngoconjunctival fever (PCF). [symptoma.com]

The elder brother developed a high fever and was diagnosed with HAdV infection with an immunochromatographic kit for HAdV (IC-kit). [ncbi.nlm.nih.gov]

RSV, influenza, parainfluenza Acute pharyngoconjunctival fever Spiking fever, headache, pharyngitis, conjunctivitis (typically unilateral), rhinitis, cervical adenitis Subsides [unboundmedicine.com]

COVID-19

Fever and dry cough are among the symptoms for COVID-19, which has so far claimed more than 7,000 lives globally. [mykhel.com]

JENNIFER NUZZO: Absolutely stay home until that fever has gone away and the symptoms have abated. [nprillinois.org]

Fever, dry cough and shortness of breath are some of the symptoms of the viral disease, which infected more than 170,000 people worldwide. [mykhel.com]

Tonsillitis

She is now worried about getting rheumatic fever herself and insists on having antibiotics prescribed. [doi.org]

Raspberry leaf is excellent for sore throats canker sores cold sores anemia colds and High Fever And Sore Throat Symptoms Tonsille Senza Tonsillite fevers diarrhea leg cramps [1point6.eu]

Acute rheumatic fever among army trainees—Ft. [doi.org]

Sinusitis

Question: Other than trying to avoid irritants and triggers, is there anything health wise I can do to alleviate or reduce the symptoms of hay fever and sinusitis? [savannahnow.com]

"Headache and fever" is a common presentation to the urgent care and emergency department setting and can have many etiologies. [ncbi.nlm.nih.gov]

Fever isn't a common sign of chronic sinusitis, but you might have one with acute sinusitis. [mayoclinic.com]

Acute Respiratory Infection

OBJECTIVES: This study aims to (1) estimate the prevalence of acute respiratory infection (ARI) symptoms, diarrhoea and fever in the previous two weeks among 3-4 year old [ncbi.nlm.nih.gov]

Via The Jakarta Post: Dengue fever outbreak kills five in Malang. [crofsblogs.typepad.com]

[…] respiratory symptoms) and acute febrile illness (AFI; fever without respiratory or other localizing symptoms) patients from three referral hospitals in Ghana. [ncbi.nlm.nih.gov]

Pharyngitis

Most of these children have undergone workup(s) for sepsis performed by their pediatricians because of the associated high fever. [ncbi.nlm.nih.gov]

It suggests that periodic fever with aphthous stomatitis, pharyngitis, and cervical adenitis syndrome may have a certain monogenetic background. [ncbi.nlm.nih.gov]

KEYWORDS: Aphthous stomatitis; Autoinflammatory diseases; Disease mechanisms; Periodic fever; Pharyngitis and cervical adenitis [ncbi.nlm.nih.gov]

Streptococcal Infection

This dogma is based on an accumulated body of epidemiologic evidence relating to both primary and recurrent episodes of rheumatic fever. [cid.oxfordjournals.org]

Scarlet Fever Scarlet fever – or scarlatina – is a bacterial infection caused by group A Streptococcus or "group A strep." [my.clevelandclinic.org]

Among such evidence are observations from both civilian and military populations in which ARF followed epidemics of pharyngitis and/or scarlet fever caused by strains of a [cid.oxfordjournals.org]

Acute Sinusitis

The patient experienced photophobia, fever, headache, nausea and vomiting. Frontal sinusitis with intracranial abscess was diagnosed on imaging. [ncbi.nlm.nih.gov]

– Fever is usually mild or absent. [medicalguidelines.msf.org]

Children may experience one to two days of fever, accompanied by constitutional symptoms, such as fatigue, headache, decreased appetite, and myalgia. [mdedge.com]

Hay Fever

Although symptoms resembling a cold or flu can be produced following hay fever, it doesn’t bring about a fever. [symptoma.com]

Read More on This Topic respiratory disease: Hay fever Hay fever is a common seasonal condition caused by allergy to grasses and pollens. [britannica.com]

With the Australian spring comes seasonal allergic rhinitis, or hay fever. But why do humans have a physiological response to pollen and dust? [newscientist.com]

Sunburn

There is no quick cure for minor sunburn: Symptoms can be treated with aspirin, acetaminophen, or ibuprofen to relieve pain and headache and reduce fever. [cdc.gov]

Do you have more than a mild fever? A mild fever is common with sunburn. Home treatment usually is all that's needed for a mild fever. [uofmhealth.org]

Fever. [healthlinkbc.ca]

Female Pelvic Inflammatory Disease

They may also exhibit signs such as intermittent or post-coital bleeding, vaginal discharge, or fever. [web.archive.org]

In severe PID, women appear very ill with fever, chills, purulent vaginal discharge, nausea, vomiting, and elevated white blood cell count (WBC). [web.archive.org]

Influenza

Miller, Acute Fever and Petechial Rash Associated with Influenza A Virus Infection, Clinical Infectious Diseases, Volume 29, Issue 2, 15 July 1999, Pages 453–454, https:// [doi.org]

Individuals with influenza were more likely to have cough (93% vs 80%), fever (68% vs 40%), cough and fever together (64% vs 33%), and/or nasal congestion (91% vs 81%) than [archinte.ama-assn.org]

Individuals with influenza were more likely than those without influenza to have baseline cough (93% vs 80%), fever (68% vs 40%), and cough and fever together (64% vs 33%) [archinte.ama-assn.org]

Salpingitis

Pain, fever, and leukocytosis resolved with conservative surgery and intravenous antibiotic therapy. [ncbi.nlm.nih.gov]

Fever 4. Pelvic mass on physical exam/ultrasound Fitz-Hugh and Curtis syndrome? [brainscape.com]

[…] activity, had a remote history of an appendectomy, and a recent diagnosis of a large, right-sided ovarian cyst, who presented with acute abdominal pain, urinary symptoms, and fever [ncbi.nlm.nih.gov]

Hypersensitivity

This leads to the characteristic hay fever symptoms, such as itchy eyes and sneezing. [newscientist.com]

Hay fever, respiratory allergies, and other allergies affect approximately 10 percent of children under 18 years old. [web.archive.org]

plus another systemic symptom) and a third consisted of fever plus rash alone. [aidsmap.com]

Otitis Media

The combination of these signs with ear pain or fever confirms the diagnosis of AOM. [medicalguidelines.msf.org]

[…] the following: Labyrinthitis - Fever, nystagmus, serous or suppurative otitis media Mastoiditis with subperiosteal abscess - Fever, fluctuance overlying the mastoid area, [emedicine.com]

Fluid and mucus become trapped inside the ear, causing the child to have a fever and ear pain. Otitis media with effusion. [hopkinsmedicine.org]

Pneumonia

Samples were collected from two secondary cases and two close contacts with fever. [ncbi.nlm.nih.gov]

Or, they may vomit, have a fever and cough, or appear restless, sick, or tired and without energy. [lung.org]

Chest radiograph improvement and symptom improvement, including fever and respiratory symptoms, was observed after 2 week of oral prednisolone treatment. [ncbi.nlm.nih.gov]

Acute Otitis Media

No protection against scarlet fever was detected. [ncbi.nlm.nih.gov]

The combination of these signs with ear pain or fever confirms the diagnosis of AOM. [medicalguidelines.msf.org]

Hearing symptoms were common (67%) but fever (32%) and retroauricular symptoms were uncommon in AOM. Fever (44%) and mastoid tenderness (65%) were common in AM. [ncbi.nlm.nih.gov]

Infectious Mononucleosis

Glandular fever mostly affects teenagers and young adults. [nhs.uk]

Identification of infectious mononucleosis (glandular fever) Clinical features Infectious mononucleosis (glandular fever) is an acute viral infection affecting mainly young [www2.health.vic.gov.au]

You don't usually get glandular fever more than once. [nhs.uk]

Cholelithiasis

The pain lasts longer than 6h and is usually associated with nausea/vomiting, fever and right upper quadrant pain. [sketchymedicine.com]

When this happens, a child may have abdominal pain and nausea, vomiting or fever. How do gallstones form? [childrenshospital.org]

Usually have abnormalities in liver enzymes and pain but no fever. The 2 major complications are 1) Cholangitis and 2) Acute pancreatitis. [sketchymedicine.com]

Toxoplasmosis

After some time, the baby presented fever and cervical lymphadenitis. [ncbi.nlm.nih.gov]

Sheep Lambs affected after birth show fever and dyspnoea. [lrd.spc.int]

Symptoms in people with otherwise healthy immune systems can include: Enlarged lymph nodes in the head and neck Headache Fever Mild illness similar to mononucleosis Muscle [nlm.nih.gov]

Acute Laryngitis

Sudden weakness Hoarseness Loss of voice Fever and chills with fever predominant Aversion to draft Headache Sweating Dry mouth and nose Possible nasal congestion Fatigue Malaise [americandragon.com]

General symptoms of head, cold, rawness or dryness of throat, malaise and fever if laryngitis has followed viral infection of upper respiratory tract. [earnosethroatclinic.blogspot.com]

Requires immediate medical attention Severe sore throat; fever; drooling; Sore throat; swollen lands; difficulty swallowing; fever; chills; ear pain; cold. [planning4adaptation.eu]

Respiratory Syncytial Virus Infection

[…] the highest fever during the period, and fever duration. [ncbi.nlm.nih.gov]

Respiratory syncytial virus disease must be considered in the differential diagnosis of fever and pulmonary infiltrates in immunocompromised adults. [ncbi.nlm.nih.gov]

The infant should be given plenty of fluids, as reduced appetite and fever can result in dehydration. [news-medical.net]

Viral Exanthem

Fever, chills, lymphadenopathy. [infectiousdiseaseadvisor.com]

Another life-threatening exanthematous fever in children which deserves special mention is dengue fever. [dx.doi.org]

Roseola infantum is caused by human herpesvirus-6 and is distinguished from other viruses by the onset of fever and the rash after fever completely subsides. [symptoma.com]