Tick Removal



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Am Fam Physician. 2002 Aug 15;66(4):643-646.

  Patient Information Handout

Many methods of tick removal that have been reported in the literature have proved to be unsatisfactory in controlled studies. Some methods may even cause harm by inducing the tick to salivate and regurgitate into the host. Ticks are best removed as soon as possible, because the risk of disease transmission increases significantly after 24 hours of attachment. The use of a blunt, medium-tipped, angled forceps offers the best results. Following tick removal, the bite area should be inspected carefully for any retained mouthparts, which should be excised. The area is then cleaned with antiseptic solution, and the patient is instructed to monitor for signs of local or systemic illness. Routine antibiotic prophylaxis following tick removal generally is not indicated but may be considered in pregnant patients or in areas endemic to tick-borne disease.

Because tick bites are nearly painless, a tick may not be noticed until after it is attached. It is important to remove the tick from the host as soon as possible after it is discovered. Animal and human studies have shown that the risk of Lyme disease transmission increases significantly after 24 hours of attachment and is even higher after more than 48 hours.16

In addition to timely removal, it is important to remove the tick completely, including the mouthpart and the cement the tick has secreted to secure attachment. Improper tick removal may cause mouthparts to break off in the skin, possibly leading to infection or granuloma formation.7 Twisting off the head should be avoided, because this may cause the tick's potentially infectious body fluids to escape.

Ticks should never be handled with bare hands and should be disposed of with hazardous waste or preserved in alcohol if identification is needed.

Few methods for tick removal that have been reported in the literature have scientific support. Some methods that are not recommended (Table 1) include applying a hot match or nail to the tick body; covering the tick with petroleum jelly, nail polish, alcohol or gasoline; using injected or topical lidocaine (Xylocaine); or passing a suture needle through the tick.815 Although there is conflicting evidence as to whether the removal technique influences infection rates,6,10,16 these methods may induce the tick to salivate and regurgitate into the attachment site, theoretically increasing the risk of infection.8,11

TABLE 1

Ineffective or Dangerous Methods of Removing Ticks: What Not to Do

Do not use sharp forceps.

Do not crush, puncture, or squeeze the tick's body.

Do not apply substances such as petroleum jelly, gasoline, lidocaine (Xylocaine), etc., to the tick.

Do not apply heat with a match or hot nail.

Do not use a twisting or jerking motion to remove the tick.

Do not handle the tick with bare hands.

TABLE 1   Ineffective or Dangerous Methods of Removing Ticks: What Not to Do

View Table

TABLE 1

Ineffective or Dangerous Methods of Removing Ticks: What Not to Do

Do not use sharp forceps.

Do not crush, puncture, or squeeze the tick's body.

Do not apply substances such as petroleum jelly, gasoline, lidocaine (Xylocaine), etc., to the tick.

Do not apply heat with a match or hot nail.

Do not use a twisting or jerking motion to remove the tick.

Do not handle the tick with bare hands.

Commercially available tick-removal devices include the Sawyer Tick Pliers (B&A Products, Bunch, Okla.), Pro-Tick Remedy (SCS Limited, Stony Point, N.Y.) and Ticked Off (Ticked Off Inc., Dover, N.H.). Although one study17 found that the Pro-Tick Remedy and Ticked Off devices left mouthparts in the skin less often, all three devices listed above were recommended over tweezers for tick removal. Another study2 recommended the Ticked Off device but did not compare it with other devices. There are other commercially available tick-removal devices, but no studies have evaluated their usefulness.

The most commonly recommended and successful tick-removal method is manual extraction of the tick.7,8,10,11,16,1821 [Reference 16—Evidence level B, nonrandomized study] Ablunt, medium-tipped, angled forceps offers the best results, using the method shown in Figure 1.

After a tick is removed, an antiseptic solution is applied to the attachment site, and patients should be educated about the signs and symptoms of local and systemic illness. There is conflicting evidence as to the need for routine antibiotic prophylaxis.2224 Although a discussion of evidence is beyond the scope of this article, most experts, including the Centers for Disease Control and Prevention and the Infectious Diseases Society of America, do not recommend routine antibiotic prophylaxis.25,26 [Reference 26—Evidence level C, expert opinion] However, antibiotic use may be considered in patients who are deemed high-risk, in pregnant patients, and in patients living in areas endemic to tick-borne disease.2,18

FIGURE 1.

Simulated tick removal. (Top) Using blunt forceps, grasp the tick as close to the skin as possible. (Bottom) Use perpendicular traction to remove the tick, taking care not to twist the tick.

View Large


FIGURE 1.

Simulated tick removal. (Top) Using blunt forceps, grasp the tick as close to the skin as possible. (Bottom) Use perpendicular traction to remove the tick, taking care not to twist the tick.


FIGURE 1.

Simulated tick removal. (Top) Using blunt forceps, grasp the tick as close to the skin as possible. (Bottom) Use perpendicular traction to remove the tick, taking care not to twist the tick.

The Authors

MATTHEW GAMMONS, M.D., is chief resident in the Department of Family Practice at Saginaw Cooperative Hospitals, Saginaw, Mich., and a clinical instructor at Michigan State University College of Human Medicine, Department of Family Practice, East Lansing. He received his medical degree from Ross University School of Medicine, Portsmouth, Commonwealth of Dominica, West Indies.

GOHAR SALAM, M.D., D.O., is assistant director in the family practice residency program at Saginaw Cooperative Hospitals, where he completed a residency program. He is also assistant professor of family practice at Michigan State University College of Human Medicine. He is a graduate of Dow Medical College, Karachi, Pakistan, and New York College of Osteopathic Medicine, Old Westbury, N.Y.

Address correspondence to Matthew Gammons, M.D., 1000 Houghton Ave., Saginaw, MI 48602 ( mgammons@hotmail.com). Reprints are not available from the authors.

The authors indicate that they do not have any conflicts of interest. Sources of funding: none reported.

REFERENCES

1. Katavolos P, Armstrong PM, Dawson JE, Telford SR 3d. Duration of tick attachment required for transmission of granulocytic ehrlichiosis. J Infect Dis. 1998;177:1422–5.

2. Sood SK, Salzman MB, Johnson BJ, Happ CM, Feig K, Carmody L, et al. Duration of tick attachment as a predictor of the risk of Lyme disease in an area in which Lyme disease is endemic. J Infect Dis. 1997;175:996–9.

3. Des Vignes F, Piesman J, Heffernan R, Schulze TL, Stafford KC 3d, Fish D. Effect of tick removal on transmission of Borrelia burgdorferi and Ehrlichia phagocytophila by Ixodes scapularis nymphs. J Infect Dis. 2001;183:773–8.

4. Piesman J. Dynamics of Borrelia burgdorferi trans mission by nymphal Ixodes dammini ticks. J Infect Dis. 1993;167:1082–5.

5. Piesman J, Mather TN, Sinsky RJ, Spielman A. Duration of tick attachment and Borrelia burgdorferi transmission. J Clin Microbiol. 1987;25:557–8.

6. Kahl O, Janetzki-Mittmann C, Gray JS, Jonas R, Stein J, de Boer R. Risk of infection with Borrelia burgdorferi sensu lato for a host in relation to the duration of nymphal Ixodes ricinus feeding and the method of tick removal. Zentralbl Bakteriol. 1998;287:41–52.

7. Habif TP. Infestations and bites. In: Habif TP, ed. Clinical dermatology. 3d ed. St. Louis: Mosby, 1996:463–75.

8. Needham GR. Evaluation of five popular methods for tick removal. Pediatrics. 1985;75:997–1002.

9. Lee MD, Sonenshine DE, Counselman FL. Evaluation of subcutaneous injection of local anesthetic agents as a method of tick removal. Am J Emerg Med. 1995;13:14–6.

10. Schwartz BS, Goldstein MD. Lyme disease in outdoor workers: risk factors, preventive measures, and tick removal methods. Am J Epidemiol. 1990;131:877–85.

11. Haynes JH. Tick removal. In: Pfenninger JL, Fowler GC, eds. Procedures for primary care physicians. St. Louis: Mosby, 1994:125–6.

12. Benforado JM. Removal of ticks [Letter]. JAMA. 1984;252:3368.

13. Shakman RA. Tick removal [Letter]. West J Med. 1984;140:99.

14. Kammholz LP. Variation on tick removal [Letter]. Pediatrics. 1986;78:378–9.

15. Karras DJ. Tick removal [Letter]. Ann Emerg Med. 1998;32:519.

16. Oteo JA, Martinez de Artola V, Gomez-Cadinanos R, Casas JM, Blanco JR, Rosel L. Evaluation of methods of tick removal in human ixodidiasis [Spanish]. Rev Clin Esp. 1996;196:584–7.

17. Stewart RL, Burgdorfer W, Needham GR. Evaluation of three commercial tick removal tools. Wilderness Environ Med. 1998;9:137–42.

18. Edlow JA. Lyme disease and related tick-borne illnesses. Ann Emerg Med. 1999;33:680–93.

19. Fradin MS, Gentile DA, Lang JE. Wilderness medicine. Protection from blood-feeding arthropods. Tick-borne diseases. In: Auerbach PS, ed. Wilder ness medicine. 4th ed. St. Louis: Mosby, 2001:757–8, 800.

20. Halpern JS. Tick removal. J Emerg Nurs. 1988;14:307–9.

21. Rudnitsky GS, Barnett RC. Guidelines for foreign body removal. In: Roberts JR, Hedges JR, eds. Clinical procedures in emergency medicine. 3d ed. Philadelphia: Saunders. 1998:632–3.

22. Magid D, Schwartz B, Craft J, Schwartz JS. Prevention of Lyme disease after tick bites. A cost-effectiveness analysis. N Engl J Med. 1992;327:534–41.

23. Shapiro ED, Gerber MA, Holabird NB, Berg AT, Feder HM Jr, Bell GL, et al. A controlled trial of antimicrobial prophylaxis for Lyme disease after deer-tick bites. N Engl J Med. 1992;327:1769–73.

24. Nadelman RB, Nowakowski J, Fish D, Falco RC, Freeman K, McKenna D, et al. Prophylaxis with single-dose doxycycline for the prevention of Lyme disease after an Ixodes scapularis tick bite. N Engl J Med. 2001;345:79–84.

25. Dennis DT, Metzer MI. Antibiotic prophylaxis after tick bites. Lancet. 1997;350:1191–2.

26. Wormser GP, Nadelman RB, Dattwyler RJ, Dennis DT, Shapiro ED, Steere AC, et al. Practice guidelines for the treatment of Lyme disease. The Infectious Diseases Society of America. Clin Infect Dis. 2000;31(suppl 1):1–14.

This article is one in a series of “Office Procedures” articles coordinated by Thomas J. Zuber, M.D., Assistant Professor, Department of Family and Community Medicine, Emory University School of Medicine, Atlanta.


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