Po Chai
Pills are a
Chinese herbal medicine used to treat
gastrointestinal problems such as stomach discomfort,
nausea,
vomiting, and
diarrhea.
Their package is red and white with Chinese
ideograms. The pills are quite inexpensive, I believe less than 3 dollars Canadian for a packet. Inside the large box are smaller red boxes and inside those boxes are phials of brown pills.
You are to swallow the whole
phial with water. I find them quite effective for stomach discomfort and diarrhea, I normally take two phials.
There is a
Japanese analogue called
Sierogan but these are large and bad smelling/tasting. Po Chai Pills are coated so you don't have to deal with their scent or taste.