Nasty after taste during pregnancy?!!!!

7 weeks and 3 days here! Does anyone else have this nasty after taste after they eat? no matter how good or simple the food was and makes them so nauseous? I have to like brush my teeth or rinse it my mouth with mouthwash because water doesn't help. And I literally can't seem to find nything appealing and I'm always nauseated. This is miserable!! I hope it goes away soon 😢