Approach to Fever

Protocols

Approach to Fever:



1.           Fever Grade:

High grade

>104°F

Medium grade

102-103°F

Low grade

<102 °F

 

2.If the patient has come from an ENDEMIC ZONE Like

  • Dhaka: Dengue, Chikungunya
  • Hilly tract and border area: Malaria
  • Mymensingh & rangpur: kala-azar

 

3. If there any symptoms present like -malaise, headache, Runny nose

 

4. Is fever associated with Chilly ang Rigor then DD

  • Malaria
  • Pneumonia
  • Cholangitis
  • Pyelonephritis
  • Abscess


5. Is there any rash?

Fever with Rash :

Infective cause: 

(Very Sick Person Must Take Double Eggs)

  • 1st day : Chicken pox (Varicella)
  • 2nd day :Scarlet fever
  • 3rd day :small Pox
  • 4th day :Measles ,Rubella
  • 5th day :Typus
  • 6th day : Dengue
  • 7th day :Enteric fever

Non-Infective cause:

SLE,Vasculitis,Leukemia,aplastic anaemia,any drug,

6. Any localizing symptoms present or not:

  •  Headache, malaise, running nose, dry cough: Viral fever
  • Fever with sore throat: Tonsillitis / pharyngitis
  • Cough (dry/productive) chest pain with or with breathlessness: Pneumonia
  • Fever cough with productive sputum with breathlessness: COPD
  • Low grade fever evening rise temperature, weight loss, appetite: TB
  • Fever with vomiting and diarrhea: Gastroentenitis
  • Fever with jaundice: Viral hepatitis, malaria, liver abscess, Leptospira
  • Urinary urgency, frequency, dysuria: UTI i. Fever with loin pain: Pyelonephritis .
  • Fever with joint pain and swelling: Viral arthritis, RA, SLE

Red Flags mark of Fever:

1. Unconsciousness/Drowsiness/irreverent talk: 

  • Meningo-encephalitis
  • Cerebral malaria
  • Brain abscess

2. Any bleeding manifestation  like gum bleeding /epistaxis:

  • Dengue
  • Leukemia 
  • Aplastic anaemia

3.Sign of meningial irritation:

  • Meningitis 
  • meningo-encephalitis

4.Joint Tenderness: 

  • SLE
  • Rheumatoid arthritis 

5.Breathlessness:

  • Pneumonia
  • COPD
  • Acute viral hepatitis

6. Weight loss & night sweat & evening rising temperature:

  • TB

7.Jaundice:

  • Acute viral hepatitis


Investigation of Fever:

Day (1-5):

  • CBC 
  • NS1 for dengue
  • SGPT ,SGOT,PT
  • Urine RME
  • Blood C/S
  • RBS
  • CSF Study


Day(5-7):

  • CBC with PBF
  • Chest x-ray PA view
  • Dengue IgG & IgM
  • USG 
  • Tripple Antigen/Febrile antigen
  • Urine RME & C/S 
  • Blood C/S 
  • RBS
  • ICT for malaria & Kala azar 

Fever > 1 months:PUO/FUO

  • Chest x-ray 
  • Sputum for AFB
  • MT test 
  • ICT for kala azar
  • CRP ,RA ,ANA 
  • Bone marrow study 


Fever : < 2 weeks 

  • UTI 
  • Viral fever 
  • Enteric fever 
  • Dengue Fever
  • Malaria
  • Pneumonia
  • Acute viral hepatitis 
  • Lung Abscess
  • Liver Abscess
  • Pylonephritis
  • Rickettsial fever 


Fever : > 2 weeks 

  • TB 
  • Malaria 
  • Kala azar 
  • Infective endocarditis 
  • SLE ,RA , Vasculitis
  • Leukemia 
  • Lymphoma 
  • Thyrotoxicosis
  • Drug Fever

Differential diagnosis of fever in neurointensive care unit. | Download  Scientific Diagram