Transferrin saturation is a calculated value resulting from a medical laboratory test to measure the amount of iron bound to transferrin in the blood. The liver produces transferrin, which is a protein that serves to bind iron molecules and carry them through the bloodstream to the bone marrow.
In addition to the cough, your child may also have a hoarse voice and have laboured breathing. Croup is most common in autumn and winter, and when a child is between 6 months and 3 years old. However, older children up to 15 years old sometimes get croup too. Croup is a common respiratory condition in children caused by either a viral infection or allergy.
Croup is a swelling of the voice box (larynx) and windpipe (trachea). Croup can be caused by allergies, bacteria, or inhaled irritants, but it's usually the result of a virus.Most of the time, the culprit is the parainfluenza virus, but other viruses â respiratory syncytial virus (RSV) , adenovirus, influenza, and measles, for example â can also trigger croup.Croup is most common in children between the ages of 3 months and 5 years, although a child can get croup at any age.The illness shows up most frequently in the colder months â between October and March.roup is most common in children between the ages of 3 months and 5 years, although a child can get croup at any age. The illness shows up most frequently in the colder months â between October and March.