Health Library
Plain-English guides to common symptoms and conditions: what they usually mean, what may help, and when to get help from a professional instead of waiting. General information only, not medical advice.
36 guides · 163 common questions · last reviewed 2026-09-23 · How we check · Sources · Recent changes
Emergency numbers by country
Not sure which number to call? See the emergency numbers for 44 countries, including the UK, the EU, the US and Australia.
Back Pain
Self-care, staying active, and red-flag symptoms.
Common Cold
What's normal, self-care, and when to get checked.
Conjunctivitis (Red or Sticky Eye)
Causes, hygiene tips, and when to get checked.
Flu (Influenza)
Symptoms, self-care, and when it turns serious.
Headaches
Common causes, self-care, and red-flag symptoms.
Migraine
Symptoms, triggers, and when to get checked.
Sore Throat
Causes, remedies, and when to get it checked.
Urinary Tract Infection (UTI)
Symptoms, self-care, and when it's serious.
Cough
How long a cough lasts and when to get it checked.
Sinusitis
Blocked, painful sinuses and when to get help.
Norovirus (Vomiting Bug)
Symptoms, staying hydrated and how long to stay off.
Heartburn and Acid Reflux
Burning after meals: self-care and when to get checked.
Eczema
Triggers, skincare routine, and when to seek help.
Shingles
A painful one-sided rash: why early treatment matters.
Asthma
Symptoms, inhaler use, and asthma attack warning signs.
High Blood Pressure
What it means, lifestyle steps, and warning signs.
High Cholesterol
What it means and lifestyle steps that help.
Menopause
Common symptoms and where to get support.
Type 2 Diabetes
Signs, everyday management, and emergency warning signs.
Anxiety
Common signs, coping strategies, and getting support.
Insomnia (Trouble Sleeping)
Common causes, sleep habits, and when to get help.
Fever in Children
Safe self-care and warning signs to watch for.
Croup
Barking cough in young children and when it is urgent.
Chickenpox
Spots, contagious period and when to get help.
Hand, Foot and Mouth Disease
A common mild illness in young children.
Ear Infections
Earache in children and adults, and when it needs help.
Diarrhoea and Vomiting in Children
Keeping children hydrated and signs of dehydration.
Falls in Older People
What to do after a fall, and how to prevent the next one.
Dehydration in Older People
Signs to watch for and simple ways to help.
Sudden Confusion (Delirium)
Sudden changes in thinking need urgent attention.
Early Signs of Dementia
Memory changes to look out for and getting a diagnosis.
Chest Pain
Why it needs urgent attention and what to do.
Stroke Signs (FAST)
Recognise a stroke with FAST and act immediately.
Sepsis Signs
A life-threatening reaction to infection: know the signs.
Heat Exhaustion and Heatstroke
Cool down fast, and know when it is an emergency.
Can't find your topic here? Ask HealthBot directly, or search the full Health Library inside the app.
Open the Health LibraryGeneral information only, last checked 2026-09-23 — not medical advice. For anything specific to you or someone in your care, speak to a pharmacist, GP, or other qualified professional.