Causes and risk factors of Tuberculosis

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World globe

Tuberculosis can affect anyone in any country in the world, although it is more common in countries of lower socioeconomic development.

A lot of people in the same house

Transmission of the infection multiplies in overcrowded conditions, with people living in enclosed spaces or homes with little or no ventilation and natural lighting.

Sample tube and antibodies for Ro (or SS-A) and La (or SS-B) test

Tuberculosis is more frequent in people with an immunity problem, such as those living with HIV or receiving immunosuppressants for treatment of rheumatoid diseases, as well as transplant recipients and patients with cancer, chronic kidney disease or diabetes, for example.


Also, smoking and abusive, chronic consumption of alcohol are other risk factors for developing the disease.

Substantiated information by:

Alberto García-Basteiro
Jose Antonio Martinez Martinez

Published: 1 February 2023
Updated: 1 February 2023

The donations that can be done through this webpage are exclusively for the benefit of Hospital Clínic of Barcelona through Fundació Clínic per a la Recerca Biomèdica and not for BBVA Foundation, entity that collaborates with the project of PortalClínic.


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