Mama, please see your doctor or go to the nearest clinic soon, hindi dapat i-ignore ang sakit doon, lalo na kung tumatagal na or lumalaki. It could be maraming things, pero kailangan talaga ng medical check-up para malaman kung ano talaga. One of my mum friends had something similar and it turned out na minor lang, but she still needed to get it checked para makatulog ng mahimbing, you know? Don't worry too much, pero huwag din palampasin, just get it checked out okay? Rooting for you!