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Conditions and treatments
If something's wrong, don't just put up with it. Find out about common health conditions, what to do if someone's had an accident, and more.
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Accidents and injuries
What to do if someone’s been hurt or poisoned.
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Diseases and illnesses
Health information and resources, for yourself or someone you care about, on common diseases and illnesses.
- Abdominal pain
- Abnormal vaginal bleeding
- Accelerated silicosis
- Allergies
- Arthritis
- Asthma
- Back pain
- Bad cough in children
- Bleeding from the anus
- Boils
- Botulism
- Bowel cancer
- Breast cancer
- Bronchiectasis
- COPD
- COVID-19
- Cancer
- Cellulitis
- Cervical cancer
- Chest infections
- Chest pain
- Chickenpox
- Chlamydia
- Colds
- Conjunctivitis
- Constipation
- Cough
- Croup
- Dementia
- Dengue
- Diabetes
- Diarrhoea
- Diphtheria
- Dizziness
- Earache
- Ebola
- Eczema
- Endometriosis
- Enterovirus D68 (EV-D68)
- Epilepsy
- Eye and vision problems
- Fever
- Food- and water-borne diseases
- Genital herpes
- Genital warts
- Gonorrhoea
- Gout
- HIV/AIDS
- Haemophilus influenzae type b
- Hand, foot and mouth disease
- Headache
- Headlice
- Heart disease
- Hepatitis A
- Hepatitis B
- Hepatitis C
- Inflammatory bowel disease
- Influenza
- Intestinal failure
- Iron overload (haemochromatosis)
- Irritable bowel syndrome
- Kidney disease
- Latent tuberculosis
- Lead poisoning
- Legionellosis
- Lung cancer
- Measles
- Melanoma
- Meningococcal disease
- Mumps
- Neck pain
- Norovirus
- Osteoporosis
- Ovarian cancer
- Pneumococcal disease
- Polio
- Prostate cancer
- RSV
- Rashes
- Rheumatic fever
- Ringworm
- Rotavirus
- Rubella
- Scabies
- School sores
- Sexually transmitted infections (STIs)
- Shingles
- Skin cancer
- Skin conditions in children
- Slapped cheek
- Sleep problems
- Sore throat
- Stroke
- Syphilis
- Tetanus
- Thrush when breastfeeding
- Toxic shock syndrome
- Tuberculosis
- Typhoid
- Urinary problems
- Vertigo
- Vibrio vulnificus infection
- Vomiting
- Whooping cough
- Yersiniosis
- Zika virus
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Mental health
Information and resources on how to cope with mental illness, including depression, anxiety, dementia and more.
Disabilities
Information on some common disabilities.
Treatments and surgery
Sometimes you’ll need medication to treat a health problem. Or you may require surgery. Learn more about these treatments.
- Breast implants
- Organ donations and transplants
- Medical exposure to radiation
- Medications
- Postoperative problems
School exclusion
To stop sickness from spreading, you should keep your child at home when they are ill. Find out how long for some common childhood illnesses. Read more
Need to talk to somebody?
Healthline is here to help you 24 hours a day, 7 days a week.
Phone calls are free from within New Zealand: 0800 611 116. Read more