Rigors and Chills: Causes & Reasons

Possible Causes for Rigors and Chills

[…] with chills Fever with rigors Hyperpyrexia NOS Persistent fever Pyrexia NOS cat-scratch A28.1 Lymphoreticulosis, benign A28.1 (of inoculation) ICD-10-CM Codes Adjacent To [icd10data.com]

(with rigor) R50.9 ICD-10-CM Diagnosis Code R50.9 Fever, unspecified 2016 2017 2018 2019 Billable/Specific Code Applicable To Fever NOS Fever of unknown origin [FUO] Fever [icd10data.com]

2017 2018 2019 Billable/Specific Code Applicable To Ventriculitis (cerebral) NOS due to cat scratch disease A28.1 Fever (inanition) (of unknown origin) (persistent) (with chills [icd10data.com]

Philadelphia Chromosome-Positive Chronic Myeloid Leukemia

Abstract A previously healthy 11 year-old-white boy presented with persistent mild leukocytosis and a posterior mediastinal mass. Surgical excision of the mass showed it to be a ganglioneuroma. Postoperatively, the patient had marked leukocytosis (white blood cell count 57,000/mm3) and a low leukocyte alkaline[…] [ncbi.nlm.nih.gov]

Febrile Transfusion Reaction

The symptoms of an FNHTR may also include chills, rigors, increased respiratory rate, change in blood pressure, anxiety and a headache. [lifeblood.com.au]

[…] at least 2 °C from pre-transfusion values AND/OR other symptoms or signs, including chills (rigors), painful muscles (myalgia), or nausea that are severe enough that the [en.wikipedia.org]

Chills, rigors, increased respiratory rate, change in blood pressure, anxiety and a headache may accompany this reaction but may also occur in several more serious transfusion [transfusion.com.au]

Gallbladder Empyema

With the worsening of the disease, high fever, chills, rigors, and signs of systemic sepsis follows. [statpearls.com]

In severe cases, symptoms can include pain in the RUQ, jaundice and high swinging fevers with rigors and chills (Charcot's triad). [patient.info]

As the disease progresses, severe pain and associated high fever, chills, and even rigors may be reported. [emedicine.medscape.com]

Alkhurma Hemorrhagic Fever

Severe chills with violent shivering are called rigors. [en.wikipedia.org]

[…] needed] Malaria is one of the common reasons for chills and rigors. [en.wikipedia.org]

Sometimes a chill of medium power and short duration may occur during a scare, especially in scares of fear, commonly interpreted like or confused by trembling. [en.wikipedia.org]

Hemolytic Transfusion Reaction

Following initiation of blood transfusion, she experienced a sudden onset of rigorous chills, accompanied by elevated temperature, tachycardia, and hypertension. [ncbi.nlm.nih.gov]

[…] clinical indicators are present:  shock  hypertensive (systolic rises > 30mm Hg)  hypotensive (systolic falls > 30mm Hg)  fever (2ºC or 3.5ºF rise in temperature)  rigors [slideshare.net]

Common signs of AHTR are: fever, chills/rigors, facial flushing, chest pain, abdominal pain, back/flank pain,nausea/vomiting,diarrhea, hypotension, pallor, jaundice, oligoanuria [notifylibrary.org]

Jarisch Herxheimer Reaction

On examination, rigors, shallow inspirations, and chills were noted. [ncbi.nlm.nih.gov]

It usually manifests as fever, chills, rigors, nausea and vomiting, headache, tachycardia, hypotension, hyperventilation, flushing, myalgia, and exacerbation of skin lesions [pubmed.ncbi.nlm.nih.gov]

Jarisch-Herxheimer reaction Pathology Type Toxin Cause(s) Death of bacteria due to antibiotics Symptoms Fever, chills, rigor, low blood pressure, headache, tachycardia, hyperventilation [house.wikia.com]

Bardet-Biedl Syndrome Type 21

The fever was associated with rigor and chills, as well as a single episode of vomiting in the past 24 hours. [cureus.com]

Amebic Lung Abscess

Usually a smoldering infection with subacute to chronic course of symptoms Most patients report a subjective fever, usually low grade, without rigors and chills. [5minuteconsult.com]

The fever was high grade, intermittent and associated with chills and rigors. [ispub.com]

Vagal Paraganglioma

The fever was intermittent in pattern, was not associated with any rigors and chills, any cough, or sore throat. [cureus.com]

Tick-Borne Hemorrhagic Fever

[…] with chills Fever with rigors Hyperpyrexia NOS Persistent fever Pyrexia NOS hemorrhagic (arthropod-borne) A94 ICD-10-CM Diagnosis Code A94 Unspecified arthropod-borne viral [icd10data.com]

(with rigor) R50.9 ICD-10-CM Diagnosis Code R50.9 Fever, unspecified 2016 2017 2018 2019 Billable/Specific Code Applicable To Fever NOS Fever of unknown origin [FUO] Fever [icd10data.com]

(effective 10/1/2016) : No change 2018 (effective 10/1/2017) : No change 2019 (effective 10/1/2018) : No change Fever (inanition) (of unknown origin) (persistent) (with chills [icd10data.com]

Chronic Generalized Exfoliative Dermatitis

Patients with erythroderma complain of constitutional symptoms such as fever, chills and even rigors, and pruritus. [clinicaladvisor.com]

So he suffers chills and rigors. These patients develop other infections in the form of various raised nodules of the skin. They may develop infection of lungs. [draparajita.com]

Signs include rigors and chills due to thermoregulatory dysfunction. Frequently, there is dependent edema especially in the lower extremities. [clinicaladvisor.com]

Hyperpyrexia

Fever with rigors Hyperpyrexia NOS Persistent fever Pyrexia NOS [icd10data.com]

Fever with rigors Hyperpyrexia NOS Persistent fever Pyrexia NOS heat T67.0 (effects) ICD-10-CM Diagnosis Code T67.0 Heatstroke and sunstroke 2016 2017 2018 2019 Non-Billable [icd10data.com]

Signs and Symptoms • Chills, shivering, and rigors – Mechanisms to raise body core temperature • Fatigue • Malaise • Myalgias • Night sweats • Anorexia 8. • Specific fever [slideshare.net]

Acute Catarrhal Tonsillitis

Follicular tonsillitis usually begins with a temperature of 102 to 104 degrees, accompanied by chills and rigors, a full bounding pulse, throbbing headache, aching of the [jamanetwork.com]

It may vary from 38 to 40°C and may be associated with chills and rigors. [earnosethroatclinic.blogspot.com]

Symptoms of acute tonsillitis• Sore throat• Difficulty in swallowing - the child may refuse to eat anything• Fever - from 38° to 40°C, may be associated with chills and rigors [slideshare.net]

Splenic Abscess

Patients may present with left upper quadrant tenderness accompanied by rigors, chills, and vomiting. [radiopaedia.org]

We report a 40-year-old diabetic man who presented with fever with chills and rigor for the last 9 days and heaviness in the left hypochondrium for the last 6 days. [ncbi.nlm.nih.gov]

Case report A 42-year-old patient presented with left-upper quadrant abdominal pain since 15-20 days, with intermittent episodes of fever with chills and rigors. [esim.eg.net]

Pyogenic Liver Abscess

A 58-year-old Caucasian male, who was on hemodialysis treatment from July 2004 due to end-stage renal disease secondary to ADPKD, was admitted with fever, rigor, chills, weakness [ncbi.nlm.nih.gov]

[…] and rigors. [ncbi.nlm.nih.gov]

[…] and rigors) Malaise Right upper quadrant pain (up to 75% of patients) Other symptoms Physical examination The symptoms of pyogenic liver abscess are often non-specific (e.g [amboss.com]

Acute Pelvic Cellulitis

Pyelonephritis: Other symptoms: high fevers that come and go along with chills / rigor. [healthtap.com]

Hooft Disease

chills, perceived fever, or documented fever at home or at the screening clinic; cough; and shortness of breath. [cochranelibrary.com]

[…] hospital RT‐PCR test (nasopharyngeal swab) Van Walraven 2021 COVID‐19 9172 6% Canada Outpatient setting Presence of symptoms including rhinorrhoea; fever symptoms including rigor [cochranelibrary.com]

Polyserositis

Now she has fever with chills and rigors for one week. There is no cough, vomiting, bladder or bowel complaints. On examination, she had soft hepatomegaly. [pediatriconcall.com]

[…] from Valliyoor near Nagercoil admitted for evaluation of fever since March 2008: Fever high grade intermittent followed by sweating no evening rise or specific pattern no chills [de.slideshare.net]

[…] or rigors body pain+ arthralgia involving large joints without swelling,small joint involvement,hand joint involvement or early morning stiffness loss of appetite+;no significant [de.slideshare.net]

Megaloblastic Anemia in Pregnancy

The fever was continuous in nature, not associated with rigors and chills. [thejh.org]

Transfusion Reaction

[…] or rigors Blood Culture from implicated treatment pack as per instructions below if high likelihood of bacterial contamination Full Blood Count Renal Profile MSU Procedure [hse.ie]

rigors, dyspnea and abdominal pain. [ausmed.com]

The most common symptoms are chills, rigor, fever, dyspnea, light-headedness, urticaria, itching, and flank pain. [merckmanuals.com]

Plasmodium Malariae Malaria

Clinical pathway People of any age with malaria typically present to medical care with non‐specific symptoms of fever, headache, chills, or rigors. [cochranelibrary.com]

/rigors; or were recruited through active case finding (for example, door to door surveys). [cochranelibrary.com]

[…] both; had symptoms of severe malaria as defined by the WHO clinical definition (WHO 2014); did not have symptoms of malaria as defined by history of fever, headache, or chills [cochranelibrary.com]

Leptospiral Meningitis

Fever started 7 days before admission and was not associated with rigors and chills. [atmph.org]

Disseminated Blastomycosis

rigors, constipation, and 10 pound weight loss. [ncbi.nlm.nih.gov]

Our case was a 47-year-old man with past medical history significant for diabetes, hyperlipidemia, and chronic pancreatitis who presented with a 2-week history of fever, chills [ncbi.nlm.nih.gov]

Blackwater Fever

Clinical presentation: Within a few days of onset there are chills, with rigor, high fever, jaundice, vomiting, rapidly progressive anemia and the passage of dark red or black [histopathology-india.net]

[…] with chills Fever with rigors Hyperpyrexia NOS Persistent fever Pyrexia NOS West African B50.8 bilious, hemoglobinuric B50.8 blackwater B50.8 hematuric, bilious B50.8 hemoglobinuric [icd10data.com]

Within a few days of onset there are chills, with rigor, high fever, jaundice, vomiting, rapidly progressive anemia, and dark red or black urine. [en.wikipedia.org]

Liver Abscess

Both patients were admitted to our institution with a 2-week history of right upper quadrant pain, fever, chills, and rigors. [ncbi.nlm.nih.gov]

Fever Pain right hypochondrium Chills Rigors Toxicity Right upper quadrant discomfort Diarrhea weight loss Intercostal tendreness Swelling in the right hypo chondrium or epigastrium [slideshare.net]

[…] and rigors) Malaise Right upper quadrant pain (up to 75% of patients) Other symptoms Physical examination The symptoms of pyogenic liver abscess are often non-specific (e.g [amboss.com]

Chronic Hypertrophic Rhinitis

(with rigor) - R50.9 catarrhal (acute) - J00 chronic - J31.0 Hypertrophy, hypertrophic rhinitis(turbinate) - J31.0 Ozena - J31.0 Rhinitis(atrophic) (catarrhal) (chronic) [icd10coded.com]

[…] with chills Fever with rigors Hyperpyrexia NOS Persistent fever Pyrexia NOS catarrhal (acute) J00 ICD-10-CM Diagnosis Code J00 Acute nasopharyngitis [common cold] 2016 2017 [icd10data.com]

(infectious) (inflammation) - J00 — See also condition chronic - J31.0 Congestion, congestive catarrhal - J31.0 Fever (inanition) (of unknown origin) (persistent) (with chills [icd10coded.com]

Shapiro Syndrome

Additionally, patients may also have chills or rigors, often following an episode of hyperhidrosis, in order to increase body temperature 1,3-5. [radiopaedia.org]

Congenital Non-Bullous Ichthyosiform Erythroderma ARCI2

Patients with erythroderma complain of constitutional symptoms such as fever, chills and even rigors, and pruritus. [cancertherapyadvisor.com]

Signs include rigors and chills due to thermoregulatory dysfunction. Frequently, there is dependent edema especially in the lower extremities. [cancertherapyadvisor.com]

Osteomyelitis of the Frontal Bone

[…] and rigors High fever with chills and rigors Edema of conjunctiva Edema of conjunctiva Proptosis Proptosis Ophthalmoplegia Ophthalmoplegia Blindness Blindness Reduced level [slideplayer.com]

9 Intracranial complications Meningitis Meningitis LP and C/S LP and C/S IV Abs IV Abs Cavernous Sinus Thrombophlebitis Cavernous Sinus Thrombophlebitis High fever with chills [slideplayer.com]