First Time Mom

I’m a First Time Mom, Now I Have Siblings and I’ve Always Helped My Mom take Care of Them Buttttt I Was Making My Son a Bottle and I Fill His Bottle up to 2 Ounces and I Was Putting 2 Scoops in His Bottle (He’s Only 2 Weeks) Because I Didn’t Know I Was Only Suppose to Put 1 Scoop in His Bottle but Now He Hasn’t Had a Bowel Movement Til Yesterday When I Gave Him Some Prune & Apple Juice So He’s Pooping Fine Now. But Now he’s gassy and He’s turning red and pushing so hard what can I Use to Help Him I Hate that he’s Pushing like this.