is absolutely curable if the treatment is taken regularly and completely as prescribed by the treating doctor. You have already said that it's cured. Regarding Asthma
, it is not a curable disease, though, it is a preventable disease, that is, its progression can be halted on a regular treatment. Moreover, deep breathing exercises like pranayam are known to have beneficial effect in asthma. Avoid cold
and dust including household dust and pet animals to avoid asthma attacks.
Have a good health