What does this pain mean?

[MusicLover95]

i suddenly started getting bad pain in the lower left side of my back about an hour and a half ago, it hurts when i walk and try to sit up for a long period of time. Also when i went to the toilet i was in severe pain.

[owdhamer]

Consult your gp asap

[cathfromsaron]

maybe anything, something or nothing!

contact your GP service straight away for reassurance! x

[jno]

could be mucles, organs, anything. If it persists, try your GP or a walk-in centre. Severe pain is not to be ignored.

[wildwood]

A bad pain always needs to be followed up. Do as you're told and see your GP.