Dr Vyas (India) on 09/15/2017:

Causes

1. eating heavy meals beyond one's capacity
2. eating something at inappropriate time and place (late night heavy dinner)
3. drinking too much liquid diet during meal timing - ruins the digestion
4. eating opposite diet at times (viruddh aahara) eg.eating meat and milk or fish and milk together, eg. eating meat and milk or fish and milk together, There are 100ds of possibilities

first aid simple solution

1. drink plain hot water sip by sip every 10 -15 min,
2. to aid in digestion hot water + powdered black pepper - sip by sip
3. hot water + ginger crush + 4-5 drops of lemon juice works wonder
4. fenugreek soaked in water over night and take in the morning 6-10 pc
5. soaked ajowan caraway seed 6-10pc( spices) in 50-60 ml hot water and drink sip by sip slowly works wonder
6. simply eat/chew fennel seed every hourly helps in digestion and also check the acidity