It is highly discouraged to go to the bathhouse if there is an inflammatory process in the body, including in the bronchi. It should also be borne in mind that during the illness the body is weakened and additional loads in the bath can be harmful for it. It is not recommended to visit steam rooms with low humidity (saunas) for problems with the respiratory tract, including problems with the lungs.
Not only possible, but also necessary! Provided that there is no temperature and you will not drink alcohol. Better to take cranberry juice with you or just drink plenty of water.
In the bath with sweat, excess toxins are released from the body, blood circulation improves, the respiratory organs are warmed up and cleansed.