Ay, importante talaga yan tingnan ng doctor, lalo na kung hindi mo alam kung saan nanggaling, better safe than sorry, mama! Maraming reasons kung bakit makakabuo ng ganyan (from minor sa kailangan ng check-up talaga), so kailangan ng proper look from a professional para malaman exactly what it is at ano ang next steps. Puwede ka mag-book sa nearest clinic or puntahan mo agad kung lumalaki or may iba pang symptoms like pain, init, or pag-spread. Don't worry, most cases ay manageable once na malaman kung ano exactly, pero kailangan talaga ng actual check-up. Take care, mama!