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Tick bites can be minor but they can also lead to very serious diseases. The best thing to do is to avoid being bitten. This often comes down to wearing appropriate clothing and using insect repellent, knowing where ticks tend to live, avoiding those areas when possible, being alert and watchful when you must be in those areas, and inspecting your clothes and body afterwards. In most cases, tick bites require only minor first aid. In other cases, however, they can require getting the person additional medical assistance. Be sure you know if ticks are in your area, how to avoid them, how to provide first aid, especially for more serious bites, and symptoms that a tick bite is serious, such as the circular bullseye pattern around a bite.