New Zealand poses minimal health risks to travellers. Diseases such as malaria and typhoid are unheard of, poisonous snakes and other dangerous animals are absent, and there are currently no dangerous insect-borne diseases. The biggest risks to travellers involve exploring the great outdoors: hikers must be clued-up on rapidly changing weather and diligent about sharing any plans to visit remote areas. Drivers must be very careful on NZ's notoriously winding, often-narrow roads.

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Before You Go

Health Insurance

Health insurance is essential for all travellers, even to safe, wealthy countries such as New Zealand. While healthcare in NZ is of a high quality and not overly expensive by international standards, considerable costs can be built up, and repatriation is pricey.

If you don't have a health insurance plan that covers you for medical expenses incurred overseas, buy a travel insurance policy – see www.lonelyplanet.com/travel-insurance. Find out in advance if your insurance plan will make payments directly to providers or reimburse you later for overseas health expenditures. Check whether your policy covers the activities you're planning to do in NZ (eg rock climbing or winter sports) and whether there's a limit on the number of days of cover for the activity.

Recommended Vaccinations

New Zealand has no vaccination requirements for any traveller, but the World Health Organization recommends that all travellers should be covered for chickenpox, diphtheria, hepatitis B, measles, mumps, pertussis (whooping cough), polio, rubella, seasonal flu, tetanus and tuberculosis, regardless of their destination. Ask your doctor for an international certificate of vaccination (or ‘the yellow booklet’) in which they will list all the vaccinations you’ve received.

Medications

Bring any prescribed medications for your trip in their original, clearly labelled containers. It is also wise to bring a signed and dated letter from your physician describing your medical conditions and medications (including generic names), and any requisite syringes or needles.

In New Zealand

Availability & Cost of Health Care

New Zealand's public hospitals offer a high standard of care (free for residents). All travellers are covered for medical care resulting from accidents that occur while in NZ (eg motor-vehicle accidents or adventure-activity accidents) by the Accident Compensation Corporation (www.acc.co.nz). Costs incurred due to treatment of a medical illness that occurs while in NZ will only be covered by travel insurance. For more details, see www.health.govt.nz.

The 24-hour Healthline offers health advice throughout NZ (free from local mobile phones or landlines). Interpreters are available.

Infectious Diseases

Aside from the same sexually transmitted infections that are found worldwide (take normal precautions), giardiasis and (following an outbreak in 2019) measles are the main infectious diseases to be aware of when travelling in NZ.

Giardiasis

The giardia parasite is widespread in NZ waterways: drinking untreated water from streams and lakes is not recommended. Using water filters and boiling or treating water with iodine are effective ways of preventing the disease. The parasite can also latch on to swimmers in rivers and lakes (try not to swallow water), or through contact with infected animals. Symptoms consist of diarrhoea, vomiting, stomach cramps, abdominal bloating and wind. Effective treatment is available (tinidazole or metronidazole).

Environmental Hazards

New Zealand's numerous biting insects are an irritation rather than a serious health risk, but hypothermia and drowning are genuine threats.

Hypothermia

Hypothermia, a dangerous drop in body temperature, is a significant risk to travellers in NZ, especially during winter and year-round at altitude. Mountain ranges and/or strong winds produce a high chill factor, which can cause hypothermia even in moderate temperatures. Early signs include the inability to perform fine movements (such as doing up buttons), shivering and a bad case of the 'umbles’ (fumbles, mumbles, grumbles, stumbles).

To treat, minimise heat loss: remove wet clothing, add dry clothes with wind- and waterproof layers, and consume carbohydrates and water or warm liquids (not caffeine) to allow shivering to build the internal temperature. In severe hypothermia cases, shivering actually stops – this is a medical emergency requiring rapid evacuation in addition to the above measures.

Surf Beaches

New Zealand has exceptional surf beaches across its 15,000km coastline. The power of the surf can fluctuate as a result of the varying slope of the seabed: rips and undertows are common, and drownings do happen. Check with local surf lifesaving organisations before jumping in the sea, always heed warning signs at beaches, and be realistic about your own limitations and expertise.

Biting Insects

Wear long, loose clothing and use an insect repellent containing 20% or more DEET to ward off sandflies and mosquitoes, which are particularly common in lake areas and tree-lined clearings. Bites are intensely itchy, but fortunately don't spread disease.

Tap Water

Tap water throughout New Zealand is generally safe to drink, and public taps with non-drinkable water tend to be labelled as such. However, water quality has faced pollution challenges in some places. Very occasionally, a warning may be issued that tap water must be boiled – your accommodation should inform you if this happens.

Pharmaceuticals

Over-the-counter medications are widely available in NZ through private chemists (pharmacies). These include painkillers, antihistamines, skincare products and sunscreen. Some medications, such as antibiotics, are only available via a prescription obtained from a general practitioner. If you take regular medications, bring an adequate supply and details of the generic name, as brand names differ from country to country.