Hi , afew days ago i've developed pea sized red pimple on the belly near to the button line , i squeezed it and puss come out and then bood and clear water liquid , i rubbed alcohol on it and it developed a scab . now when i touch it i feel like there's lump under it , now the pimple has no head cause i popped but it left there like a bump / lump ... deeply in the skin? what do you think it might be .? and also if i applied hot compress will it help bring to the surface ??

for a additional infos .

i've acne on my face and sometimes on the shoulders too , but i've never had it on belly before ..

i've oily skin