Pleurisy patients can not cohabit the reason, mainly consider the following two points: one, will be infectious: pleurisy is often tuberculous pleurisy, that is, due to the infection of tuberculosis bacillus caused, so it is a contagious disease, and tuberculous pleurisy is often caused by the spread of tuberculosis, and tuberculosis has a strong contagiousness, so in the case of cohabit, it is easy to spread to each other. Second, it will aggravate the symptoms: pleurisy patients will lead to pleural effusion, when the amount of pleural effusion is more, will lead to chest tightness, shortness of breath, dyspnea, if you have intercourse, it is easy to aggravate the clinical symptoms, and even cause respiratory failure, heart failure, so it should be carried out under the condition of disease healing.