What type of tick causes lyme disease




















Neurological symptoms including numbness in the extremities, tingling and pain, and difficulties with speech, memory, and concentration. Usually, these are characterized by persistent musculoskeletal and peripheral nerve pain, fatigue, and memory impairment. Lyme disease is difficult to diagnose because symptoms are not consistent and may mimic other conditions.

Diagnosis for Lyme disease must be made by a healthcare provider experienced in recognizing Lyme disease. Diagnosis is usually based on symptoms and a history of a tick bite. Testing is generally done to confirm the diagnosis and rule out other conditions.

This may need blood and other lab tests. The symptoms of Lyme disease may look like other medical conditions or problems. Always talk with your healthcare provider for a diagnosis. Lyme disease affects people differently. Relapse and incomplete treatment responses happen. Complications of untreated early-stage disease include:. People aren't able to become immune to Lyme disease. So even if you've had Lyme disease, you can get it again.

It's typically not itchy or painful but might feel warm to the touch. Erythema migrans is one of the hallmarks of Lyme disease, although not everyone with Lyme disease develops the rash. Some people develop this rash at more than one place on their bodies. If untreated, new signs and symptoms of Lyme infection might appear in the following weeks to months.

These include:. Only a minority of tick bites leads to Lyme disease. The longer the tick remains attached to your skin, the greater your risk of getting the disease. Lyme infection is unlikely if the tick is attached for less than 36 to 48 hours.

If you think you've been bitten and have signs and symptoms of Lyme disease — particularly if you live in an area where Lyme disease is common — contact your doctor. Treatment for Lyme disease is more effective if begun early. Visit your doctor even if signs and symptoms disappear — the absence of symptoms doesn't mean the disease is gone. Untreated, Lyme disease can spread to other parts of your body for several months to years after infection, causing arthritis and nervous system problems.

Ticks can also transmit other illnesses, such as babesiosis and Colorado tick fever. The deer tick Ixodes scapularis goes through three life stages.

Shown from left to right is the adult female, adult male, nymph and larva on a centimeter scale. In the United States, Lyme disease is caused by the bacteria Borrelia burgdorferi and Borrelia mayonii, carried primarily by black-legged or deer ticks. Young brown ticks often are no bigger than a poppy seed, which can make them nearly impossible to spot. To contract Lyme disease, an infected deer tick must bite you.

The bacteria enter your skin through the bite and eventually make their way into your bloodstream. In most cases, to transmit Lyme disease, a deer tick must be attached for 36 to 48 hours. If you find an attached tick that looks swollen, it may have fed long enough to transmit bacteria. Removing the tick as soon as possible might prevent infection. Where you live or vacation can affect your chances of getting Lyme disease.

So can your profession and the outdoor activities you enjoy. Adult ticks approximately the size of a sesame seed can also spread Lyme disease. Early symptoms include a small, red bump that appears at the site of a tick bite or tick removal and resolves over a few days.

This is normal after a tick bite and does not indicate Lyme disease. However, these signs and symptoms may occur within a month after infection:. From 3 to 30 days after an infected tick bite, an expanding red area might appear that sometimes clears in the center, forming a bull's-eye pattern. The rash erythema migrans expands slowly over days and can spread to 12 inches 30 centimeters across. It is typically not itchy or painful. If untreated, new signs and symptoms of Lyme infection might appear in the following weeks to months.

These include erytyema mirgrans, joint paint, nausea and vomiting, diffuse rash and neurological problems. Several weeks after infection, some people develop heart problems, eye inflammation, liver inflammation hepatitis and severe fatigue. To get a better idea of which tick-borne diseases have been found in your area, check this site. Adult ticks feed and mate primarily on deer. You may also find adult ticks on dogs, horses and other domesticated animals. Nymphs feed primarily on smaller animals.

These include squirrels, mice, lizards, rabbits, and birds that feed on the ground. Migratory birds help distribute ticks throughout the country. Learn more about the types of ticks. Support LymeDisease.

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