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TICKS AND LYME DISEASE


Dear Dr. Sue,

I found a tick on my daughter the evening after a hike through the woods last weekend.  I
was able to get it off, but now I wonder how worried I should be about Lyme's disease, or
other things ticks might carry.  Should she be tested?  How can I protect her against these
diseases?

 

Concerned Mom

 

 

                

 

 

Dear Mom,
 

The good news is that removing ticks promptly is one of the best protections against disease.  A
tick is unlikely to be able to transmit the bacteria that cause disease if it is removed within 24 hours of attaching to your child's skin.  There are also several other ways you can help protect your daughter.

First, dress her appropriately when she is likely to be exposed to ticks.  Appropriate dress is
light-colored, lightweight, long-sleeved shirts and long pants, with pants tucked into boots or
knee-length socks.  The light color allows you to see ticks crawling on her clothing and remove
them; the other precautions make it a lot harder for the ticks to find her skin.  In spite of legend, ticks don't jump from trees, but rather hang out in tall grasses and brush at about knee height, waiting for their next victim to walk by.  (They are incredibly patient, too.  One female tick that was being studied sat on the same blade of grass for two months until she finally found a meal!)

Consider using insect repellent.  If you do use it on your daughter, use it safely.  Never apply it to her hands, since hands often end up in children's mouths.  Never spray it onto her face; instead, spray it onto your hand and apply to her neck and cheeks, carefully avoiding her eyes and lips.  Don't use any spray containing more than 10% DEET (Skedaddle is one that has only 6.5% DEET.) Don't apply under her clothing, though you can lightly spray the clothing itself.  Don't apply to sunburned skin.  Don't use DEET at all on children under two years of age.  Wash your own hands after applying the repellent, and bathe your child as soon as she comes indoors at the end of the day.

Know ticks usual habitat.  They especially like moist areas covered with grasses, small bushes or shrubs.  They love to frequent unused farm fields, weedy ditches, overgrown vacant lots and the tall grasses beside trails.  They can also be found in parks and even in your own back yard; in fact, its estimated that seven out of ten Lyme disease victims were bitten in their own back yards.  Try to keep your yard free from tall brush and keep the grass cut.  Stack firewood away from the house, since mice like to live in woodpiles, and ticks like to feed off of mice.)  When you are in settings that seem likely to harbor ticks, look your daughter (and yourself) over every two or three hours, picking off roaming ticks when you find them.  Look carefully; the deer tick that carries Lyme disease is only as big as the head of a pin or a sesame seed.  The larger dog ticks can carry Rocky Mountain Spotted Fever, but that illness is rare in our area.  If you find a tick that has already attached, remove it.  If you don't have tweezers on your hike (see advised removal technique below) a pocket knife can be used to scrape away the smaller deer ticks.  The larger dog ticks can be removed with your fingers, preferably protected by a Kleenex or handkerchief.

Whether you've seen a tick while you're outdoors or not, when you get home it's time for a
full-body check.  Pay special attention to the following: her scalp (part her hair carefully and check ALL of it), behind her ears, in the groin area, and any other skin folds including between toes and fingers and around her belly button.  If you need to remove a tick, DO NOT, in spite of what you may have heard, touch it with a hot match, or apply oil or Vaseline to it, any of which can make regurgitation of bacteria into the wound more likely.  Instead, use the most slender pair of tweezers you can find, lie them flat against the skin so that you are grasping the tick as close as possible to the skin, and squeezing the tick's body as little as possible.  Then, using slow, steady pressure, pull the tick STRAIGHT OUT, with no rocking or twisting.  If some mouth parts remain, remove them with the tweezers or a needle.  Finally, scrub the area (and your hands) with antibacterial soap.  Save the tick in a container with a little rubbing alcohol or mineral oil, so that if your child should become sick it can be identified.  Label the container with the date, where it was on your child, and the location you were walking around in.

If you've removed any ticks within 24 hours of their attachment, any illness is quite unlikely.  Still, its wise to keep an eye on the site:  if a red, ring-like mark appears at the site within two to thirty-two days, see your pediatrician, and take the tick with you.  Do the same if your child becomes sick with a fever or different rash or other symptoms within the next week.

Lyme disease is most easily recognized by the distinctive ring-like rash, which usually, but not always, occurs at the site of the bite.  Actually, many times there is no rash at all.  Flu-like symptoms may occur without the rash; including fever, chills, sore throat and aches and pains. Treatment with antibiotics is usually very successful at this stage, but the blood test for Lyme disease can be negative even in the presence of the disease, so antibiotics are sometimes used as a precaution if the symptoms are suggestive and there has been a known tick bite (and always if the characteristic rash shows up).  Untreated, Lyme disease can lead to neurological symptoms including fainting, numbness, weakness, stiff neck, and headache, and it can also cause chronic muscle pain, arthritis, chronic fatigue, or an irregular heartbeat.  This disease is still relatively rare in our area compared to some areas, but you are wise to take precautions and to respond to any suspicious changes in your daughter after a tick bite.
 

 

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