Magazine article American Nurse Today

Lyme Disease Prevention and Treatment: Education and Early Detection Lead to the Best Outcomes

Magazine article American Nurse Today

Lyme Disease Prevention and Treatment: Education and Early Detection Lead to the Best Outcomes

Article excerpt

SCENARIO: When you meet your patient Tom for the first time, he reports fever, headaches, a rash on his stomach, and muscle aches. As you perform your assessment, he says, "I'm not sure what's wrong with me. It just came on a few days ago. At least it didn't interfere with my camping trip."

Staying healthy through outdoor exercise and other activities includes certain risks, including Lyme disease. Exposed skin outdoors provides an opportunity for blacklegged or deer ticks to attach and transmit the disease to humans. (See Lyme disease by the numbers.)

If not diagnosed and treated early, initial Lyme disease, which is caused by the bacterium Borrelia burgdorferi, can lead to chronic disease. Patients with chronic Lyme disease experience a substantial decline in health and quality of life, similar to patients with heart failure and type 2 diabetes, and they may require symptom management for many years. Currently, no Lyme disease vaccine is commercially available, making early recognition and treatment crucial to positive outcomes.

Prevention and tick removal

Preventing tick bites is the key to decreasing the occurrence of Lyme disease. (See Steps to prevention.) Nurses in endemic areas (the Northeast United States and upper Midwest) are in a prime position to offer education to patients, family, and friends. Topics to cover include preventing tick bites, inspecting for ticks, and safely removing ticks.

Locating ticks can be difficult; adult ticks are the size of a sesame seed, while nymph ticks that infect most humans are the size of a poppy seed. To transmit bacteria, the tick must be attached longer than 36 to 48 hours.

Instruct patients to remove ticks as soon as they're found. Explain the importance of removing the head of the tick (which is typically embedded in the skin) and not just the body protrusion. (See Safe tick removal.) Patients who don't want to remove a tick themselves should contact their healthcare provider.

Assessment and testing

Lyme disease is categorized into three stages, with stage one being early and stage three being late and most severe. Symptoms of early Lyme disease include fever, chills, and the bull's-eye rash. (See Lyme signs and symptoms.) However, some cases don't present with obvious symptoms, so your interviewing and assessment skills are key to early detection and treatment.

Ask patients about recent activities (for example, camping or hiking), travel (for example, in the Northeast or upper Midwest regions of the United States), and exposure to or interaction with animals, including household pets that have been in wooded areas or open fields. Also, ask patients if they've experienced headaches, rashes, joint pain, or other recent onset symptoms. Be especially attentive to patients who present during the warm months because of increased risk of tick bites. Next, carefully inspect the patient's skin for any possible ticks or a rash.

If signs and symptoms point to possible Lyme disease, the provider may recommend testing, which includes two steps. First, an enzyme immunoassay (EIA) or indirect immunofluorescence assay (IFA) is performed. If this test is negative, no further testing is required. However, if the test is positive or inconclusive, the next step is an immunoblot test, which detects immunoglobulin M and G classes of antibodies. Results are considered positive only if both the EIA/IFA and immunoblot are positive.


Treatment of Lyme disease begins as soon as a diagnosis is made. Most patients recover rapidly and completely when treated with oral antibiotics, such as doxycycline or amoxicillin, in the early stages of the disease. If treatment begins in the later stages when neurological or cardiac symptoms are present, patients also may require I.V. medications, such as ceftriaxone or penicillin, to manage symptoms. About 28% of those infected with Lyme disease experience residual symptoms after treatment. …

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