No poop 7 days na

hello yung 2 yeara old ko hindi pa sya nag poop 7 days na. usually every 4 days nag poop na sya but now ika 7th day na hindi pa sya nag poop. Dumedede, umiinum ng water, at kumakain naman sya. ayaw naman ng asawa ko na lagyan sya ng suppository. Should I be worried? thank u po.