A newborn infant shows symptoms of irritability, high-pitched cry, muscle spasms, fever, sleep disturbance, and feeding problems. What is one likely diagnosis

The mother is a cocaine addict.

The likely diagnosis in the mentioned case is that mother of the infant is cocaine addict.

Explanation:

One of the signs of a mother's cocaine addiction is NAD or neonatal abstinence syndrome. The condition results when the addiction of the mother towards cocaine develops chemical dependency in the system of the infant, which further makes the infant become a drug addict.

The infants with NAS begins to develop withdrawal symptoms just after they get born, as they no longer acquire the drug from the mother's body. Some of the signs and symptoms are shown by the infant suffering from NAS are sleeplessness, muscle spasms, difficulty in feeding, tremors, and others.