Dr. William Andrew Erhardt MD

Milk Protein AllergyOne of the most common food allergies in babies and young children is cow's milk allergy. The good news is that milk allergies are usually outgrown by babies when they turn 2 or 3 years old. Its symptoms are usually managed by consuming a dairy-free diet. Regular milk is...

Appendicitis is the inflammation of the appendix, a tube-like extension attached to the large intestine. The appendix has no known function, but one thing for certain is that one can live without it with no apparent consequences.Appendicitis is a life and death kind of matter and should be treated...

Considering the removal of your tonsils, based on the recurrence of strep throat infections, should be discussed with your doctor to determine if you should have the procedure.Can I Still Get Strep After Having My Tonsils Removed?Strep throat is an infection that affects the throat and is caused by...

Children who develop or complain of limping must be examined to make sure that their condition is not an orthopedic emergency like in the case of septic arthritis. After being examined, children's parents may hear about a toxic synovitis diagnosis. Such diagnosis might sound scary, but it is...

What are vaccine exemptions?There are state laws that establish compulsory vaccination for school children both studying in public and private schools as well as daycare facilities. However, certain exemptions may be offered for religious and personal or conscientious reasons in some states. What...

Jaundice is the yellowish color that often appears on the skin of newborns. This condition develops when bilirubin builds up in the baby’s blood. While pregnant, the mother’s liver gets rid of the infant’s bilirubin; however, after birth, the child’s liver eliminates the bilirubin on its...