First time swallowing 😷😷

Ok yesterday was the first time I sucked a guy off it wasn't too bad but I decided I would let him cum in my mouth, I didnt even feel him cumming in my mouth cuz it was so warm and sticky. Tbh I really didn't like the taste but about 10 mins after I did start to feel a lingering puking feeling and felt sick in the stomach, I still felt a bit sick in the stomache up until lunch time the next day. Did anyone else feel like this or have a similar situation to me when they swallow ??