 [ Symptoms ] i am feeling nauseous about seven hours after unprotected sex and it will not stop i have felt nauseous for two days  yesterday at 5am i had unprotected sex he did not finish inside me or at all because we got too tired but a few hours later at 12pm when i woke up i felt really nauseous and sick i ate a banana and felt extremely nauseous throughout the day no matter what i ate i felt like i had to throw up even when i drank something i have felt nauseous for the past two days if i am pregnant i doubt the symptoms would show up hours later and be this strong i am worried about stds should i be please help [ Disease ] hi ok just relax for a while you have two ways to go either your doctor and see what heshe says or its off to the stdgum clinic and get some tests done there the staff will be helpful to your problem do hope this helps somehow good luck