Do not use OTC medications for diarrhea and vomiting for at least 6 to 8 hours. It will slow down the passage of the virus from your body. This could be botulism. It is extremely rare but extremely dangerous. See a doctor immediately.
Symptoms are severe.
You have a fever above 101. You have signs of dehydration. Diarrhea is extremely watery or explosive. Diarrhea occurs 10 or more times in a day. You cannot drink anything without vomiting.