6. A patient with low grade fever, cough and weight loss.

 

Case history– A 28 year’s old male presents with low grade irregular fever, cough and significant weight loss for 2 months.

What is the diagnosis striking in your mind?

Pulmonary tuberculosis

What key questions would you ask?

  • Pattern of fever- low grade irregular fever, evening rise of temperature with profuse night sweating.
  • Cough- may be dry or productive with scanty sputum. Coughing up blood is a common problem.
  • Weight loss- 10 % weight loss or more than 3 kg loss in 6 months or 0.5kg per month.
  • Associated symptoms- chest pain, haemoptysis (coughing up blood) and anorexia.

What will you examine?

General examination- Patient is ill looking, emaciated. Temperature may be raised.

Chest examination- may be normal, crepitations which disappears/alters after coughing, even may appear after coughing (post-tussive crepitation).

Features of cavitation/fibrosis * may be present.

Features of pleural effusion** may be present.

Investigations-

CBC with ESR- ESR is expected to be high

X-ray chest PA view- patchy opacities (typical), may be cavitation, consolidation and pleural effusion

Sputum for AFB

MT

Pleural fluid study.

Treatment-

  Treatment Phase:

  1. Initial or Intensive Phase- 2 months
  2. Continuation Phase- 4 months

  Composition of FDC Tablets:

  • 4FDC : Isoniazid 75 mg + Rifampicin 150 mg + Pyrazinamide 400 mg + Ethambutol 275 mg
  • 2FDC : Isoniazid 75 mg + Rifampicin 150 mg

 Dosages of FDC Tablets:

Category I:

Pre-treatment weight

(Kg)

Intensive Phase Continuation Phase
Daily (First 2 months) Daily (Next 4 Month)
Number of 4FDC tablets Number of 2FDC tablets
30-37 2 2
38-54 3 3
55-70 4 4
>70 5 5

 

  • If smear positive tuberculosis, add levofloxacin 500 mg daily for 6 months if weight <50 kg and 750 mg daily if weight >50 kg.

*Features of fibrosis- flattened chest, diminished movement, trachea and apex shifted to same side, percussion note impaired, low-pitched bronchial breath sound and crepitation.

**Features of pleural effusion- diminished movement, trachea and apex shifted to opposite side, percussion note stony dull, and breath sound diminished or absent.