Call Your Doctor Within 24 Hours (between 9am and 4pm) If

• You think you need to be seen
• Red-ring or bull's eye rash occurs around a tick bite
• Probable deer tick and it was attached for more than 24 hours (or tick appeared swollen, not flat) and Lyme disease is common in your area
• Fever occurring within 2 weeks of a tick bite
• Headache or widespread rash occurring within 2 weeks of a tick bite
• No tetanus booster in more than 10 years