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 systremma can be treated by one herbs that we have on record. Here is the list below.
Flowering quince might help with systremma
Why might Flowering Quince (Mu Gua) help with systremma?
Because it is a herb specifically indicated to treat systremma as can be seen on Flowering Quince's page.
Flowering Quince is a Warm herb that tastes Sour. It targets the Spleen and the Liver.
Its main actions are: Relaxes the sinews by increasing the flow of both Blood and Qi. Assists the function of the Stomach and expels Dampness. Facilitate lactation.