my niece mehrisha is very weak and have always health issues like appetite problem, cough , runny nose.what to do for safe journey

A. Madam what is the age of your niece can you please specify that second when you say somebody’s weak then that’s usually due to improper food habits not having proper proteins in the diet and a lot of times that could be associated with multiple nutritional deficiency and that is why lack of nutrients poor immunity and lead to the situation it’s better to check with the doctor so you can start with proper health tonic and supplements and make sure to give a balanced nutritious diet to the child