@clair987
I’m sure you must be scared now after a whole week being sick with fever and no diagnosis.
You definitely need another evaluation today.
It’s possible that it’s a virus but you still need some proof of that, such as a blood test.
You said a strep test was negative?
Did they test you for Covid and Flu? They say nowadays that stomach symptoms could be the first to show with Covid.
I definitely would want to know if you have Mono. It happens often in your age group plus symptoms can mimic strep. There would be the same sore, red throat - sometimes with white patches. Also there would be swollen neck glands and a tender stomach.
It could be confirmed with lab tests- Mono spot or EBV (Epstein Barr Virus) titers.
I also think you need a blood test in general at this point.
Do you have an Urgent Care office near you?
If not, you probably have to go to the ER.
Be careful taking Ibuprofen on an empty stomach- it could cause irritation and nausea.
Show these conversations to your Mom- she has to speak for you and be persistent until you know what is making you sick.
Please get back to us this weekend if you can!
Big hug!