• Swelling in the lymph glands in the neck, under the arms, and in the diaper area
• Swollen belly, sometimes with diarrhea (frequent loose, watery, bowel movements)
• Itchy skin rashes
• Frequent lung infections (pneumonia)
• Frequent ear and sinus infections
• Problems with gaining weight or growth
• Inability to do the kinds of things healthy babies do (such as sitting alone, crawling, walking)
• Crankiness, irritability, and constant crying

Most important, talk with your health care provider right away about anything you notice that seems unusual for your baby.