Bedbugs can hide in many places, including on bed frames, mattresses, clothing, furniture, behind pictures and under loose wallpaper. Signs of bedbugs include: bites – often on skin exposed while …

Find out about some of the most common insect bites and stings, how to treat them and when to get help.

Cetirizine is an antihistamine medicine that helps the symptoms of allergies. It's used to treat: hay fever conjunctivitis (red, itchy eye) eczema hives (urticaria) – an itchy, raised rash that’s usually caused by …

Find out about pubic lice, including what they look like, how you get them, symptoms, when to get medical advice, treatment and complications.

Scabies is an itchy rash caused by mites. It's spread through close skin contact, and anyone can get it. It should be treated quickly to stop it spreading. Symptoms of scabies The symptoms of scabies are: …

Read NHS information on Lyme disease, which is a bacterial infection spread to humans by infected ticks.

Antihistamines are medicines often used to relieve symptoms of allergies, such as hay fever, hives, conjunctivitis and reactions to insect bites or stings. They're also sometimes used to prevent motion …

Head lice and nits are very common in young children and their families. They are not caused by dirty hair and are picked up by head-to-head contact. Signs of head lice Head lice are small insects, up to …

Steroids Steroids (also called corticosteroids) are medicines used to treat conditions that cause swelling (inflammation) in the body. Most steroids must be prescribed, but some can be bought from …

Dots and lines (floaters) or flashes of light in your vision are common. They're not usually serious. Symptoms of floaters and flashes Floaters in your vision can look like: small dark dots squiggly lines …