Pepto-Bismol is an over-the-counter drug used for treatment of nausea, heartburn, indigestion, upset stomach
, diarrhoea, and other temporary discomforts of the stomach
and gastrointestinal tract. Ginger ale is often used as a home remedy to alleviate indigestion or motion sickness. Hence you can take them and once you feel slightly better you can get antacids and anti-emetics form the pharmacy. Hope this helps.
The answer is based on information provided.