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Gastroenteritis

Gastroenteritis

Gastroenteritis (tummy bug, food poisoning, traveller's diarrhoea, viral enteritis or intestinal flu) is a gut infection that causes stomach cramps, vomiting and diarrhoea. Read more
Gastro-oesophageal reflux

Gastro-oesophageal reflux

Gastro-oesophageal reflux disease describes inflammation of the lining of the oesophagus due to stomach acid leaking up (refluxing) from the stomach. It is commonly referred to as GORD or GERD (American spelling). Read more

Glue ear

Glue ear is a build up of fluid in the middle ear that can occur if an ear infection doesn't clear, or it can occur on its own. Read more
Gout

Gout

Gout is a common and painful form of arthritis. It causes severe joint pain and swelling, especially in your toes, knees, elbows, wrists and fingers. If left untreated, gout can cause serious damage to your joints, kidneys and quality of life. Read more

Gum disease

Gum disease is common and ranges from mild to severe. If not treated, it can lead to serious disease that results in major damage to the soft tissue and bone that support the teeth. In the worst cases, teeth are lost. Read more

Hair loss - normal or hereditary

While men experience "male pattern baldness" (vertex balding and/or receding frontal hairline), women generally experience female pattern baldness, which is a thinning over the top of the head or crown while maintaining a frontal hairline. Read more
Hair loss - temporary or abnormal

Hair loss - temporary or abnormal

Abnormal hair loss is non-hereditary and usually temporary. It can be due to many causes, including nutritional deficiencies, disease, medications, reactions to hair products, stress, (also for women, pregnancy). Read more
Hand washing

Hand washing

Everyday, we come in contact with thousands of microscopic germs which have the potential to make us sick. Keeping your hands clean is vital for helping you stay well and preventing the spread of illnesses Read more
Hay fever

Hay fever

Hay fever is the inflammation of the lining of the nose and eyes due to allergy. Many people experience it as seasonal allergy to grass pollens. Read more
HbA1c testing

HbA1c testing

The HbA1c test measures your average blood glucose over the previous 8 to 12 weeks and gives an indication of your longer-term blood glucose control. It is used as a screening test to identify diabetes and regular monitoring tool if you have been diagnosed with diabetes. Read more
Head lice

Head lice

Head lice are small parasitic insects that live clinging onto our hair and feed from our scalps. Read more
Healthy eating for children

Healthy eating for children

Tips for parents, family/whānau and caregivers on the kinds of food – and how much of each – children need to eat to be healthy. Read more

Hearing loss in babies and children

Infants and children can have temporary or permanent hearing loss that may vary from slight to profound in its severity. Read more

Heart failure

Heart failure occurs when the heart is unable to keep enough blood moving around the body. It does not mean the heart is about to stop, but it does mean that there is a problem with the heart’s pumping action. Read more

Heartburn

Heartburn is a burning feeling that rises from the stomach or lower chest up towards the neck. It can occur at any time but usually it happens after eating. Read more

High blood pressure

High blood pressure is a common condition in which the force of your blood against your artery walls is too high, too often. Ongoing high blood pressure, or hypertension, puts stress on the heart and can lead to health problems, such as heart disease and stroke. Read more
High cholesterol

High cholesterol

Cholesterol is a type of fat in your blood. Most cholesterol is made by your body, but eating fatty foods can lead to high cholesterol levels. Your arteries may clog up with the fatty cholesterol and which increases your risk of having a heart attack or stroke. Read more
How food & drink affects sleep

How food & drink affects sleep

If you've noticed you feel particularly sleepy or energised after eating or drinking certain things, that's because what you consume can have an impact on how well you sleep and how awake you are during the day. Read more
How much sleep is enough?

How much sleep is enough?

Most adults need around 7–9 hours of sleep each night. If you feel tired during the day, you might need to sleep more. Read more

Hyperthyroidism

An overactive thyroid (hyperthyroidism) is a condition in which the thyroid gland makes too much thyroid hormone. Read more