Final answer:
Medical intervention for diarrhea in infants may be necessary if they exhibit certain signs and symptoms such as increased stool frequency, fever, significant weight loss, or lack of improvement after 24 hours.
Step-by-step explanation:
Medical intervention for diarrhea should be sought if an infant:
- a. has more than 5 stools in 24 hours
- b. develops a fever of 99 degrees
- c. loses 2% of his body weight
- d. shows no improvement after 24 hours
These are all signs that the infant may be experiencing severe diarrhea and may need medical attention. It is important to monitor the number of stools, body weight, presence of fever, and improvement in symptoms to determine if medical intervention is necessary.