The symptoms as mentioned in your post is attributed to either infection or inflammation in the Gastrointestinal tract.
Feeling of cramps in forearms and legs is due to loss of electrolytes from body due to repeated episodes of loose motion
1. Tablet Pantoprazole
twice daily (to be taken half an hour before food)
2. Anti spasmodics like Dicyclomine preparation twice daily (to be taken after food).
3. Oral Rehydration Solution (O.R.S) for maintaining the hydration status & electrolyte balance of the body.
4. Take soft, plain, non-spicy foods.
5. Avoid fast foods & gas producing food products like cabbage, etc.
If symptoms persist for more than 02 days, then kindly consult a Gastroenterologist
for proper clinical examination.
A course of antibiotics need to be taken based on culture & sensitivity reports.
Investigations like complete blood count
, estimation of serum electrolytes & Ultrasound scan of abdomen & Pelvis will be helpful in detecting any pathological cause for the symptoms.
Wishing a good health.