Dartmoor National Park Authority

Tick Advice

Ticks are arachnids, more closely related to spiders than to insects - they have eight legs. A fully fed tick will be three to ten times larger than their unfed counterparts.

Ticks are blood-feeding, external parasites. They can carry disease, including, but not limited to, Lyme disease. Ticks become active with the warm days of spring. They generally have a multi-stage life cycle, progressing from egg to larva to nymph to adult. Most species have different hosts for each stage. Ticks inject saliva into their host as they feed, sometimes transmitting disease with the saliva.

Ticks are common in areas of long vegetation such as bracken, long grass or bilberry. Here they wait for passing animals (including humans) to attach themselves to, feeding on their blood before dropping off. It is more likely that your pet will pick up ticks than you will but it is important to remember that there is a small chance of picking up a tick and an even smaller chance of developing Lyme disease.

Lyme disease

Whilst Lyme Disease used to be rare with less than 100 cases a year the Health Protection Agency (HPA) reported 900+ cases in 2007, this figure does not include unreported or undiagnosed cases which the HPA estimate could cause between 1,000 and 2,000 additional cases per year. Most ticks are not infected with the bacteria that cause Lyme disease. However it is important to be aware of the symptoms and some of the precautionary measures you can take

• Lyme disease is an infection that affects the skin and occasionally causes serious illness.
• The disease may first show itself as an expanding reddish, round rash in the area around the bite. This rash may start three to thirty days after the tick has bitten you.
• Early symptoms may resemble influenza, with swollen glands near the site, mild headaches, aching muscles and tiredness.
• If left untreated the disease may develop over months or years into a serious illness affecting the nervous system, joints or heart.
• The good news is that Lyme disease is very treatable by antibiotics – so, if you have any of these symptoms, inform your doctor.
• Note: If any type of rash appears after a bite, do try and take a photograph as it will help with later diagnosis.

Simple preventative measures…

• You should make it more difficult for a tick to reach your skin by wearing shoes rather than sandals and tuck long trousers into socks or wear gaiters.
• Ticks can be more easily seen on white or light-coloured clothing.
• Avoid a tick's favourite places by walking in the middle of paths and check yourself after sitting on logs or leaning against tree trunks.
• If you picnic, use a light-coloured picnic blanket to sit on; also check the underside.
• Check your pets for ticks when they come into the house.
• Spray your clothing with an effective anti-tick pesticide. Make sure you follow the instructions carefully.  

After visiting an area likely to contain ticks, do a full body inspection of yourself, your children and any pets that were with you. Common sites of attachment include the underarms, the groin, behind the knee and the nape of the neck. Examine children often, paying special attention to the head, neck and ears. Early discovery of ticks is critical to reducing the risk of infection by Lyme disease.

If a tick is found, removal should be done carefully to prevent its mouth parts from breaking off.

How to remove a tick promptly and properly:

Using tweezers, grasp the tick as close to the skin as possible and gently pull the tick in a steady, upward motion without twisting or jerking. NEVER USE BARE HANDS.

Wash the area with a disinfectant.

DO NOT touch the tick with your bare hands.

DO NOT squeeze the tick.

DO NOT put alcohol, nail polish remover or Vaseline on the tick.

DO NOT use a hot match or cigarette end.

For more information please visit www.lymediseaseaction.org.uk  (external website, opens in new window) or type ‘Lyme Disease’ into a search engine.

Page updated 22 September 2009