[Side effects of chemotherapy in patients with pulmonary tuberculosis and concomitant diseases].

As many as 395 patients with pulmonary tuberculosis concurrent with other illnesses were examined. It has been ascertained that in 57.8 percent of cases there occurs a side effect in the wake of the antituberculous drug administration. The following were recognized as ill effects of the drugs employed--allergic reactions, candidiasis, disbacteriosis, toxic reactions,--in 25.44%, 3.07%, 7.02%, and 64.47% of cases respectively. Revealed in the above series was a marked side effect on the digestive organs, neurotoxic reactions, toxic effect on the cardiovascular system in 28.08%, 15.35%, 10.53% of cases respectively. The most frequently seen side effect was due to rifampicin (23.25%), streptomycin (18.42%), isoniazid (17.08%). The least number of complications was with taking etambutol--3.94%. In 43.42% of cases, the identified side effect necessitates withdrawal of the drug, in 56.58% of cases, the management of the concomitant medical problems, a change in routes of administration of medicines, and combined employment of antihistaminic drugs and hyposensitizing methodological approaches to the management of the condition permitted carrying on with the therapy instituted.