Brown discharge within few days of unprotected sex wherein your partner did not ejaculate inside, can be of no significance. Stop worrying.
Better to use protection from next time on.
Do not be worried at the moment.
Hope this helps you.
These Q&A’s are for educational purposes and should not be relied upon as a substitute for medical advice you may receive from your physician. If you have a medical emergency, please call 911. These answers do not constitute or initiate a patient/doctor relationship.