Skin light sensitivity (photosensitivity) Skin light sensitivity (photosensitivity) means you have an unusual reaction to light.…

Skin cancer (non-melanoma) Skin cancer is one of the most common cancers in the world. Non-melanoma…

Skin cancer (melanoma) Melanoma is a type of skin cancer that can spread to other organs…

Sjogren’s syndrome Sjögren’s (pronounced Show-grin’s) syndrome is an autoimmune disorder. The body’s immune system attacks glands…

Sinusitis Sinusitis is inflammation (redness and swelling) of the sinuses. The sinuses are small, air-filled spaces…

Sickle cell disease Sickle cell disease is the name for a group of blood disorders. The…

Shortness of breath It’s normal to get out of breath when you’ve overexerted yourself. But when…

Shingles Shingles, also known as herpes zoster, is an infection of a nerve and the skin…

Severe head injury Severe head injuries need urgent medical assessment as there’s a risk of serious…

Septic shock Septic shock is a life-threatening condition that happens when your blood pressure drops to…