The information provided here is not a replacement for a doctor. You shouldn't use it for the purpose of self-diagnosing or self-medicating but rather so you can have a more informed discussion with a professional TCM practitioner.
In Chinese Medicine neurasthenia can be treated by one herbs that we have on record. Here is the list below.
Dogbane leaves might help with neurasthenia
Why might Dogbane Leaf (Luo Bu Ma) help with neurasthenia?
Because it is a herb specifically indicated to treat neurasthenia as can be seen on Dogbane Leaf's page.
Dogbane Leaves is a Cool herb that tastes Sweet. It targets the Liver.
Its main actions are: Pacifies Liver's hyperactivity and smoothes the Mind. Removes Heat and helps urination.
Other symptoms often associated with neurasthenia
Cold in the lower extremities Impotence Spermatorrhea Frequent urination Prostatic hypertrophy Coughing Asthma Persistent diarrhea Dysuria Spasms of the lower abdomen