A cold is a viral infection of the nose and throat. Common symptoms include a runny nose, cough, and fever.

Viral infections are the most common cause of diarrhea in toddlers. Rotavirus is a common culprit.

Ear infections are common in toddlers. Symptoms include ear pain, fever, and difficulty sleeping.

Diaper rash is a common skin irritation in toddlers. It is caused by prolonged exposure to wet or dirty diapers.

UTIs are common in toddlers. Symptoms include frequent urination, painful urination, and cloudy or foul-smelling urine.

Infection is the most common cause of a fever in toddlers. Viral and bacterial infections can both cause fever.

Strep throat is a bacterial infection of the throat. Symptoms include sore throat, fever, and swollen lymph nodes.

Colds are the most common cause of a cough in toddlers. Viral infections cause colds.

The flu is a viral infection that can cause fever, cough, sore throat, and other symptoms.

Croup is a viral infection of the larynx and trachea. It is characterized by a barking cough.

Pneumonia is an infection of the lungs. Symptoms include cough, fever, and rapid breathing.

Hand, foot, and mouth disease is a viral infection that causes a rash on the hands, feet, and mouth.

Measles is a viral infection that causes a rash, fever, and cough.

Mumps is a viral infection that causes swelling of the salivary glands.

Rubella is a viral infection that causes a rash, fever, and swollen lymph nodes.