<s>[INST] I was diagnosed with PTB, and was taking Fixcom 4 since May for 2 months now. Now I am taking Fixcom 3 until November or for 4 months. I have noticed that there is saliva formation, which sometimes I have diifficulty in breathinbg.. From my ct scan, my heart is normal, Thanks. [/INST] Hello, It depends on the form you have. However, I recommend you to contribute correctly to the treatment and to wait for the situation to improve. Hope I have answered your query. Let me know if I can assist you further. Regards, Dr. Jnikolla, Pulmonologist </s>