newborn constipated

Issa
My 2 week & 3 day old son is suffering from constipation. I feel so bad not knowing whatto do to help him out he pushes n pushes n gets red and i feel so bad im a FTM so i dont know much if you ladies know anything please let me know and inform me i dont want to see my baby suffering. Also i would call his DR but she is not working they dont open on weekends