A little girl has a hard lump behind her ear and under her chin that is painful when touched. The lump is not very visible on the surface, but it can be felt as hard. Additionally, the child feels discomfort and an unnatural sensation under her chin. What could be the cause?

Our child was born prematurely and has always been quite fragile, especially susceptible to catching colds at kindergarten, leading to recurrent tonsillitis. Please ask: What is the situation with a two-year-old child having tonsillitis? How can it be prevented and treated?

This article explains the reasons behind a three-month-old baby’s testicle skin turning black and wrinkly, as well as the recommended treatment methods.

Children grinding their teeth may be caused by various reasons, including parasitic infections, fatigue, and excessive mental excitement.

Causes and preventive treatment methods for ear pain in winter

Putting fingers in the mouth may be due to teething discomfort, anxiety caused by changes in the home environment, or a lack of sufficient sensory stimulation. Learn more about the causes and solutions to this behavior.

What could be causing a baby to shake their head?