Upon successful completion of this course, students will be able to: 1  describe what critical thinking is, and explain why it is valuable; 2  assess the credibility and reliability of sources;
A child with a cold may have a runny nose with mucus that starts out clear but can turn thick and gray, yellow, or green over seven to 10 days. He may also have a headache, sore throat, or cough or run a low-grade fever. Here are three signs that your child has something more serious and needs to be seen by a doctor.e may also have a headache, sore throat, or cough or run a low-grade fever. Here are three signs that your child has something more serious and needs to be seen by a doctor.
Mucus during a cold is usually clear or light yellow, but it can change to thick yellow or green-tinged mucus. This suggests the complication of rhinosinusitis, where the cold virus inflames the nasal passages and sinuses. You may also have nasal obstruction, facial pain, and headaches. Rarely, green-tinged mucus during a cold is caused by bacteria.