Dangerous illnessesThe most common illnesses carried by ticks are tick-borne encephalitis (TBE) and Lyme disease. TBE is a viral infection which leads to inflammation of the brain and the meninges (the membranes which cover the brain and spinal cord). This can be very serious and cause permanent damage, including paralysis. It can be effectively prevented by the TBE vaccination. The Federal Office of Public Health recommends that everyone in Switzerland should receive the vaccination because there are few parts of the country which are not considered high-risk areas. The picture is similar in neighbouring countries (e.g. Germany and Austria).
Lyme disease is caused by bacteria and is more common than TBE. With Lyme disease, the initial symptom may be a circular rash around the bite or elsewhere on the body. Many people also have flu-like symptoms. The infection can also spread virtually unnoticed, causing swollen joints, cardiac arrhythmia (heart rhythm abnormalities) and rashes on other parts of the body. After several months the condition can become chronic, with joint pain, neuropsychological problems and changes to the skin. There is no vaccination against Lyme disease. If it is diagnosed early, it can be treated with antibiotics. If, however, the condition progresses unnoticed, there is no guarantee that treatment with antibiotics will be successful.
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Protecting yourself against ticks (even if you have had the TBE vaccination)
- Avoid long grass, scrub and bushes.
- Keep your skin covered when you are out in the countryside. Wear tops with long arms, long trousers and closed footwear. Tuck your trousers into your socks. Use tick repellent on skin and clothing.
- Wear light-coloured clothing on which ticks can be easily seen.
- After your walk, check your clothes and body carefully, particularly the backs of your knees, your stomach and chest, and the crotch area. If you have a child, be sure to check its head and neck.
- If your pets spend time out of doors, you should also check them regularly. Ticks that have not yet latched onto a host – a pet, for example – may transfer to a human being if they come into contact. You may want to administer a tick repellent to your dog or cat or put an anti-tick collar around its neck.
If you discover a tick, you should remove it as quickly as possible. Use tweezers or a pharmacy-supplied tick card to grasp the tick vertically as close to the skin as possible and pull it out slowly and firmly. It is important not to twist or squash the tick. Once it has been removed, you should disinfect the bite mark and the surrounding area.
You should see a doctor if you have any of the following symptoms between two days and three weeks after being bitten by a tick:
- a rash around the bite mark or at another location; rashes may appear in different places and may become larger
- flu-like symptoms
- dizziness and nausea
- joint pains and headaches