a. The abdomen feels tense, the legs are drawn up, and/or the fists are tightly clenched.

b. Occurs usually in late afternoon or evening.

c. Occurs in breast- or bottle-fed infants.

d. Instruct the parent(s) to contact the doctor immediately if the infant experiences any of the following symptoms.

1) Waves of pain

2) Straining and screaming

3) Looks pale and sweaty

4) Vomits yellowish green material

5) Vomits forcefully a distance of I to 2 feet after feeding and is still hungry

6) Has a reddish, jelly-like bowel movement

7) Has bloody bowel movements