Tick bite ER visits hit highest seasonal level in years as doctors warn of disease surge

Tick bite-related ER visits are astatine their highest seasonal levels since 2017 crossed astir U.S. regions, raising concerns astir accrued Lyme illness and different tick-borne illnesses.

That’s according to caller information from nan Centers for Disease Control and Prevention’s Tick Bite Tracker, which monitors play emergency section visits associated pinch tick bites crossed nan country.

For each 100,000 ER visits, astir 71 were related to tick bites successful April 2026, compared to a humanities seasonal mean of astir 30 per 100,000.

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Some of nan highest rates of tick-based ER visits were among children younger than 10 years and adults betwixt 70 and 79 years.

A close-up shows a parasitic mite successful mobility connected a quality fingertip, highlighting nan imaginable for illness transmission specified arsenic encephalitis. (iStock)

"Over nan past 3 decades, nan geographic scope of nan blacklegged tick has expanded significantly, and pinch it, nan consequence of Lyme illness and different Ixodes-transmitted infections," Dr. Steven Goldberg, MD, a family medicine expert who practices urgent attraction and family medicine astatine UofLHealth successful Louisville, Kentucky, told Fox News Digital.

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"The Ohio River Valley region is 1 of nan astir striking examples — Lyme illness cases successful Ohio person accrued astir 10-fold complete nan past decade, apt driven by nan convergence of Northeastern and Upper Midwestern tick populations gathering successful that corridor."

States for illustration Virginia and West Virginia, arsenic good arsenic areas southbound of nan accepted endemic zone, are reporting expanding tick abundance and illness cases, nan expert noted.

"Over nan past 3 decades, nan geographic scope of nan blacklegged tick has expanded significantly."

"The lone prima tick is besides expanding its scope northward beyond its accepted stronghold successful nan Southeast, which intends diseases for illustration ehrlichiosis and alpha-gal syndrome are appearing successful regions wherever clinicians whitethorn not yet beryllium reasoning astir them," he warned.

Some climate studies foretell that nan blacklegged tick's suitable residence could grow by complete 200% by nan extremity of nan century, Goldberg noted, including into Canada and crossed nan cardinal and confederate U.S.

What’s driving nan spike?

"Warmer, wetter conditions let ticks to past successful habitats that antecedently would person been excessively cold," Saggar said. "Milder winters besides widen nan lifespan of some ticks and nan animals they provender on, accelerating tick reproduction and shortening their life cycles."

Areas that historically knowledgeable longer, colder winters aliases important snowfall screen are now much hospitable to ticks, nan expert noted.

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"As temperatures emergence and precipitation patterns change, ticks are capable to dispersed northward and thrive successful caller ecosystems," he said. 

Another contributing facet is accrued land development and quality description into wooded and grassy areas, arsenic good arsenic reforestation of formerly cultivation land.

"As temperatures emergence and precipitation patterns change, ticks are capable to dispersed northward and thrive successful caller ecosystems," an master said.  (iStock)

"The betterment and description of white-tailed cervid populations — captious hosts for big blacklegged ticks — has been a awesome driver," Goldberg added. "Deer density is positively associated pinch Lyme illness incidence. Small mammal communities, peculiarly white-footed mice that service arsenic cardinal reservoir hosts for Borrelia burgdorferi, besides play a cardinal role."

Tick-borne diseases

Tick bites are known to transmit galore illnesses, nan astir wide of which is Lyme disease, a bacterial infection.

"Lyme illness cases unsocial person accrued astir two- to threefold complete nan past 20 years," Saggar said. Approximately 476,000 Americans are diagnosed and treated for Lyme illness each year, per CDC surveillance data.

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Also communal are anaplasmosis and ehrlichiosis, 2 different types of bacterial infections, according to nan doctor. Tick bites tin besides origin babesiosis, a malaria-like parasitic illness that infects and destroys reddish humor cells.

"Another increasing interest is alpha-gal syndrome, a information successful which a (lone star) tick wound triggers a superior allergic guidance to reddish meat," Saggar said. "In uncommon cases, group person died from anaphylactic reactions linked to alpha-gal syndrome pursuing a tick bite."

Some communal symptoms of tick-borne unwellness see fever, chills, fatigue, headaches, musculus aches and associated pain. (iStock)

Ticks tin besides transmit viruses, including nan Powassan virus, which tin origin terrible neurologic injury.

"Powassan microorganism disease is arguably nan astir concerning emerging tick-borne infection," said Goldberg, who is besides main aesculapian serviceman astatine HealthTrack. "It's transmitted by nan aforesaid blacklegged tick that carries Lyme disease, but dissimilar Lyme, it tin beryllium transmitted wrong minutes of tick attachment."

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Powassan tin origin terrible encephalitis pinch a astir 10% to 15% fatality rate, and much than half of survivors person lasting neurological deficits, Goldberg noted.

In nan Rocky Mountain states, nan Rocky Mountain wood tick (Dermacentor andersoni) transmits Rocky Mountain spotted fever and Colorado tick fever.

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"In nan Southeast and South-Central U.S., nan lone prima tick (Amblyomma americanum) drives a different group of concerns: ehrlichiosis, tularemia, and 2 emerging viral threats — Heartland microorganism and Bourbon virus," said Goldberg.

Symptoms to watch for

Some communal symptoms of tick-borne illness see fever, chills, fatigue, headaches, musculus aches and associated pain, according to Dr. Suraj Saggar, main of infectious illness astatine Holy Name Medical Center successful Teaneck, New Jersey.

Another motion is nan classical "bullseye" rash associated pinch Lyme disease, known medically arsenic "erythema migrans." 

"If you deliberation you person been bitten by a tick, you should activity aesculapian attraction if you create symptoms aft a known tick wound aliases aft spending clip successful tick-prone areas, particularly during nan spring, summertime and fall." (iStock)

"Because testing tin sometimes beryllium falsely antagonistic early successful nan illness process, doctors whitethorn dainty patients based connected symptoms and vulnerability history alternatively than waiting for laboratory confirmation," Saggar noted. 

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"If you deliberation you person been bitten by a tick, you should activity medical attention if you create symptoms aft a known tick wound aliases aft spending clip successful tick-prone areas, particularly during nan spring, summertime and fall."

Preventing tick bites

As location are nary vaccines presently disposable for immoderate tick-borne illness successful nan U.S., prevention is nan astir effective strategy.

Goldberg shared nan pursuing recommended prevention strategies.

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• Use EPA-approved repellents, including DEET, picaridin, IR3535 aliases lipid of citrus eucalyptus connected exposed skin. Treat clothing and cogwheel pinch permethrin (a synthetic insecticide and repellent) aliases acquisition pre-treated clothing.
• Wear light-colored clothing (to spot ticks much easily), agelong sleeves and agelong pants tucked into socks erstwhile successful wooded aliases grassy areas.
• After spending clip outdoors, cheque your full body, paying typical attraction to nan scalp, down nan ears, armpits, groin and down nan knees, nan expert advised. It’s besides recommended to ablution wrong 2 hours of coming indoors.
• Tumble-dry clothing connected precocious power for astatine slightest 10 minutes to termination immoderate ticks connected clothing.
• Remove ticks promptly and properly. Using fine-tipped tweezers, grasp nan tick arsenic adjacent to nan tegument arsenic possible, and propulsion upward pinch steady, moreover pressure. Clean nan wound area afterward.

Approximately 476,000 Americans are diagnosed and treated for Lyme illness each year, per CDC data.

"The longer a tick is attached, nan higher nan consequence of disease transmission — for Lyme disease, transmission mostly requires astatine slightest 36 hours of attachment," Goldberg said. "The Powassan microorganism tin beryllium transmitted overmuch much quickly."