Hi, Welcome to Health care magic forum.
It appears to be the gastrointestinal problem with the gastric irritation. the cause may be the the peptic ulcer
, irritant foods, or anxiety
. The white liquid may not have any relation with the weakness.
I advise you to consult a gastroenterologist
for diagnosis and treatment.You may need to have gastroscopy, and ultrasound
Take more of green leafy vegetables, pulses, sprouts,and
protein rich foods to prevent such weakness.
Wishing for a quick and complete recovery. Thank you.