ticks in lyme disease and tick bite ticksnrs.ucdavis.edu/mcl//technical/cdh lymes disease...

TICK-BORNE DISEASES AND TICK BITE PREVENTION California Department of Health Services Vector-Borne Disease Section COMMON HUMAN-BITING TICKS IN CALIFORNIA American dog tick Dermacentor variabilis WHAT ARE TICKS? TICKS ARE SMALL! Ticks are small, spider-like creatures that feed by attaching to animals and sucking blood. Magnified mouth parts of an Ixodes tick Lyme disease Ehrlichiosis Anaplasmosis Babesiosis Rocky Mountain spotted fever Tularemia Tick paralysis LYME DISEASE IS THE MOST COMMON TICK-BORNE DISEASE IN CALIFORNIA SOME TICKS CAN TRANSMIT DISEASE WHY ARE TICKS IMPORTANT? Ixodes pacificus ticks get the Lyme disease bacteria from infected rodents. Humans get Lyme disease from the bite of an infected Ixodes pacificus tick. SIGNS AND SYMPTOMS OF LYME DISEASE Erythema migrans Expanding rash 1-30 days following tick bite Rarely itching or painful May be confused with allergic reaction to tick bite Allergic reactions occur 1-24 hours after bite and do not spread For more information, contact the Vector-Borne Disease Section: 916-552-9730 http://www.dhs.ca.gov/ps/dcdc/disb/disbindex.htm Pacific coast tick Dermacentor occidentalis Western black-legged tick Ixodes pacificus Ticks are found in natural areas that have grasses, shrubs, or leaf litter under trees. WHERE ARE TICKS FOUND IN CALIFORNIA? Leaf litter Uphill side of trails Mixed hardwood forests On logs and fallen branches HOW DO I PROTECT MYSELF AGAINST TICK BITES? Promptly remove tick If you develop any symptoms 1-30 days after bite, consult with your physician Let your physician know that you were bitten by a tick Prevention of tick bites is key to prevention of disease WHAT DO I DO IF I'VE BEEN BITTEN BY A TICK? Avoid tick-infested areas Wear light-colored clothing Wear a hat, long sleeved shirt, and long pants Tuck shirt into pants, pants into boots or socks Use effective tick repellents Check yourself, children (especially at hair line), and pets regularly while in tick habitat Conduct daily full body check (hair line, armpit, back of knees, groin) at home, up to 3 days after returning from tick habitat Remove attached ticks promptly and properly PERSONAL PROTECTIVE MEASURES Flu-like symptoms Fever, chills, fatigue Muscle aches, joint pain Headache Nervous system problems Weakness of some muscles in the face Numbness, tingling, or pain in the arms and legs Heart problems Disturbances in the heart rhythm Muscle and skeletal symptoms Arthritis in one or few joints TICK REPELLENTS Apply DEET repellent (Cutter®, Off®, Repel®, Skintastic®, etc…) to skin that is not covered by clothing Treat clothing with permethrin repellent (Permonone®, Duranon®, etc…) as directed on label. TICK REMOVAL TECHNIQUE Use tweezers to grab the tick close to your skin Pull the tick firmly, straight out, away from the skin (do not jerk, twist, or burn the tick) Wash your hands and the bite site with soap and water after the tick is removed and apply an antiseptic to the bite site The sooner a tick is removed, the less likely it is for a person to become infected.

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TICK-BORNEDISEASES

AND TICK BITEPREVENTION

California Department of Health ServicesVector-Borne Disease Section

COMMON HUMAN-BITING

TICKS IN CALIFORNIA

American dog tickDermacentor

variabilis

WHAT ARE TICKS?

TICKS ARE SMALL!

Ticks are small, spider-like creatures that feed by attaching to animals and sucking blood.

Magnified mouth parts of an Ixodes tick

Lyme disease

Ehrlichiosis

Anaplasmosis

Babesiosis

Rocky Mountain

spotted fever

Tularemia

Tick paralysis

LYME DISEASE IS THE MOST COMMON TICK-BORNE DISEASE IN CALIFORNIA

SOME TICKSCAN

TRANSMITDISEASE

WHY ARE TICKS

IMPORTANT?

Ixodes pacificus ticks get the Lyme disease bacteria from infected rodents. Humans get Lyme disease from the bite of an infected Ixodes pacificus tick.

SIGNS AND SYMPTOMS OF LYME DISEASEErythema migransExpanding rash 1-30 days following tick bite Rarely itching or painful

May be confused with allergic reaction to tick biteAllergic reactions occur 1-24 hours after bite and do not spread

For more information, contact the Vector-Borne Disease Section: 916-552-9730 http://www.dhs.ca.gov/ps/dcdc/disb/disbindex.htm

Pacific coast tickDermacentoroccidentalis

Western black-legged tickIxodes pacificus

Ticks are found in natural areas that have grasses, shrubs, or

leaf litter under trees.

WHERE ARE TICKS FOUND IN

CALIFORNIA?

Leaf litterUphill side of trails Mixed hardwood forests On logs and fallen branches

HOW DO I PROTECT MYSELF AGAINST

TICK BITES? Promptly remove tick

If you develop any symptoms 1-30 days after bite, consult

with your physician

Let your physician know that you were bitten by a tick

Prevention of tick bites is keyto prevention of disease

WHAT DO I DO IF I'VE BEEN BITTEN

BY A TICK?

Avoid tick-infested areas

Wear light-colored clothing

Wear a hat, long sleeved shirt, and long pants

Tuck shirt into pants, pants into boots or socks

Use effective tick repellents

Check yourself, children (especially at hair line), and pets regularly while in tick habitat

Conduct daily full body check (hair line, armpit, back of knees, groin) at home, up to 3 days after returning from tick habitat

Remove attached ticks promptly and properly

PERSONAL PROTECTIVE MEASURES

Flu-like symptomsFever, chills, fatigueMuscle aches, joint pain Headache

Nervous system problemsWeakness of some muscles in the faceNumbness, tingling, or pain in the arms and legs

Heart problemsDisturbances in the heart rhythm

Muscle and skeletal symptomsArthritis in one or few joints

TICK REPELLENTS

Apply DEET repellent (Cutter®, Off®, Repel®, Skintastic®, etc…) to skin that is not covered by clothingTreat clothing with permethrin repellent (Permonone®, Duranon®, etc…) as directed on label.

TICK REMOVAL TECHNIQUE

Use tweezers to grab the tick close to your skin

Pull the tick firmly, straight out, away from the skin (do not jerk, twist, or burn the tick)

Wash your hands and the bite site with soap and water after the tick is removed and apply an antiseptic to the bite site

The sooner a tick is removed, the less likely it is for a person to become infected.

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