Children's health
Learning Center
Respiratory syncytial virus (RSV)
This common illness affects the lungs. It can seem like a cold, but may be severe, especially in children. Know the symptoms and treatment.
Restless legs syndrome
Uncomfortable sensations in your legs can interrupt your sleep — making you drag through your day. These therapies calm the restlessness and improve sleep.
Rett syndrome
This rare genetic disorder affects the way the brain develops, causing a progressive inability to use muscles for eye and body movements and language.
Reye's syndrome
Learn about the causes and treatment of this rare but serious condition causing swelling in the liver and brain.
Rhabdomyosarcoma
This rare soft tissue cancer affects children more often than adults. Treatment may include surgery, chemotherapy and radiation therapy.
Rheumatic fever
Learn about this complication of strep throat and scarlet fever and what you can do to prevent it.
Rickets
Learn what can cause this bone-softening disease in children and how supplements may prevent or treat the condition.
Ringworm (body)
Learn more on causes, symptoms, treatments of this easily spread fungal skin infection that itches and is related to athlete's foot.
Ringworm (scalp)
Learn more on causes, symptoms, treatments of this easily spread, itchy fungal skin infection and how to prevent it.
Rosacea
Learn about the symptoms, skin care tips and medicines for this common skin condition of the face that causes flushing and spider veins.
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