Are symptoms of teething indicative of a medical condition?

No. Common inflammatory process in later infancy. Symptomatic care is all that is needed.
No. Teething is a natural process that all humans experience. You can use teething rings and damp frozen wash clothes for you child with the process of teething. Use the appropriate amount tylenol (acetaminophen) for severe teething discomfort. Avoid using medications that you rub on the gums b/c it only will last for 10 to 15 minutes and will not provide lasting relief.