I’m losing weight fast and unintentionally

Hey girls. I’m getting really worried about my health. I’m 18 years old, I’m 1,60 m (5’3 ft. Sorry, I’m European 😂) and I have recently gotten a very bad cold with a sore throat and a lot of coughing. My appetite has decreased too. Now, I should also state that my cholecystis is hook shaped (which is very uncommon) so digestion can be a little tricky for me sometimes, resulting in me getting quite bloated.

Now, this morning I woke up with a bad stomachache and diarrhea. My mom got worried and decided to weigh me. I weigh 46 kg, which is, I’ll admit, a little worrying. I went from 49 kg to 46 kg in just 3 days, unintentionally. I’m not on any kind of diets.

Should I be worried about my health? My mom is really scared for me. Help help help!