It seem form your problem that you have developed inflammation after the injury
. Give ice compression over the affected area. Do take rest for few days or at least do not keep yourself standing for long time which can make the situation worse. You can take pain killer like Ibuprofen
according to the pain severity. The swelling will take 5-7 days time to get subsided. DO not pinch or pop the area as it can lead to infection. If the swelling increases in next 48 hours then can meet the doctor immediately.