Causative Factors

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Causative Factors

Causes

Humans are affected by the Mycobacterium tuberculosis.
There is another species Mycobacterium Bovis, which affects the animals.

Highlights

Drug Resistance

Mostly, all infections are airborne and due to inhalation of the droplet nuclei.

Clinical Features

The signs and symptoms of tuberculosis depends on the involved part of the body. The clinical features are categorized according to the affected parts:

Tuberculosis of the lungs:

	Fever
	Night sweats
	Fatigue,
	Weight loss
	Loss of appetite.
	Cough with sputum production (sometimes mixed with blood)

Tuberculosis of the spine:

	Weakness in the lower limb
	Pain in the back
	Deformity of the spine

Tuberculosis of the meninges:

	Fever
	Vomiting
	Fatigue
	Headache
	Drowsiness

Tuberculosis of the lymph nodes:

	Fever may or may not be present
	Glands of the neck are swollen

Signs and symptoms

The signs and symptoms of tuberculosis depend on the organ that is involved.

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