✨ Colic Cause 3: Could It Be Infant Dyschezia? If your baby strains, turns red, cries, and kicks their legs while trying to poo — but still passes a soft stool — this may not be constipation at all. It could be infant dyschezia. This is one of the most misunderstood causes of colic-type crying, and I remember watching both of my babies go through this and feeling completely helpless 😭 👶 Signs of infant dyschezia can include: 💩 Grunting and intense straining 💩 Crying or screaming while trying