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What Diseases Can Ticks Carry in Texas?

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Home > Blog >  What Diseases Can Ticks Carry in Texas?

When it comes to pest control, it's crucial to understand the potential risks each pest poses to humans. Among the most dangerous pests in Texas are ticks, mainly due to the diseases they can carry and transmit to humans. In this comprehensive guide, we will explore the types of ticks found in Texas, the diseases they can transmit, symptoms of these diseases, and preventive measures.

Introduction to Ticks and Diseases

Ticks are tiny arachnids that belong to the order Parasitiformes. As external parasites, they feed on the blood of mammals, birds, and sometimes reptiles and amphibians. Ticks are vectors of several diseases that affect both humans and other animals.

Types of Ticks found in Texas

Texas is home to several types of ticks that can pose a risk to humans and pets. Here are the main ones:

  1. Lone Star Tick (Amblyomma americanum): Named for the single silvery-white spot on the female's back, this tick is widespread across Texas and notorious for its aggressive biting behavior.
  2. American Dog Tick (Dermacentor variabilis): Also known as the wood tick, this species primarily feeds on dogs but will also bite humans.
  3. Black-legged Tick (Ixodes scapularis): The deer tick is considered the primary vector of Lyme disease in Texas.
  4. Brown Dog Tick (Rhipicephalus sanguineus): This tick prefers to feed on dogs but can bite humans if necessary.

Understanding Tick-Borne Diseases

Ticks are carriers, or vectors, of various bacterial, viral, and protozoan diseases, which they can transmit while feeding on the blood of their hosts. The most common diseases carried by ticks in Texas include Lyme Disease, Rocky Mountain Spotted Fever, Anaplasmosis, Southern Tick-Associated Rash Illness (STARI), and Tularemia.

While different pathogens cause these diseases, they often present similar symptoms in their early stages, such as fever, fatigue, headache, muscle and joint aches, and characteristic skin rashes.

The severity of these diseases can vary. Some might resolve independently without treatment, while others can cause serious health issues if not treated promptly. It's important to remember that prompt removal of ticks is the best way to prevent these diseases, and early detection and treatment can improve the outcome.

Major Diseases Carried by Ticks in Texas

Lyme Disease

One of the most well-known tick-borne diseases is Lyme, caused by the bacterium Borrelia burgdorferi. This disease is transmitted to humans through the bite of infected black-legged ticks.

Symptoms of Lyme Disease

The early signs of Lyme disease can appear within 3 to 30 days after a tick bite. They may include fatigue, chills, fever, headache, muscle and joint aches, swollen lymph nodes, and a distinctive skin rash called erythema migrans that looks like a bull's eye.

Treatment and Prevention of Lyme Disease

If detected early, Lyme disease can be treated effectively with antibiotics. However, if left untreated, the infection can spread to the joints, heart, and nervous system, leading to more severe complications. As for prevention, the best way to avoid Lyme disease is to prevent tick bites by using insect repellent, wearing long clothing when in tick-infested areas, and conducting tick checks after being outdoors.

Check back for more information on other diseases ticks can transmit in Texas, including Rocky Mountain Spotted Fever, Anaplasmosis, STARI, and Tularemia, as well as the role of climate change in the tick population, the prevalence of tick-borne diseases in Texas, and best practices for tick prevention and removal.

Rocky Mountain Spotted Fever

Another tick-borne disease that Texans need to be aware of is Rocky Mountain Spotted Fever (RMSF). This disease, caused by the bacterium Rickettsia rickettsii, is transmitted primarily by the American Dog and Rocky Mountain wood ticks.

Symptoms of Rocky Mountain Spotted Fever

The early symptoms of RMSF can be mild and non-specific, often beginning 2-14 days after the tick bite. They may include fever, headache, muscle pain, and rash. The rash, a key identifying symptom, typically starts on the wrists and ankles and spreads to the rest of the body.

Treatment and Prevention of Rocky Mountain Spotted Fever

RMSF is a severe illness that can be fatal if not treated early with the right antibiotic. Prompt removal of ticks is an essential preventive measure. Protective clothing, tick repellents, and frequent body checks for ticks after outdoor activities prevent RMSF.


Anaplasmosis is a tick-borne disease caused by the bacterium Anaplasma phagocytophilum, transmitted through the bite of infected black-legged ticks.

Symptoms of Anaplasmosis

The symptoms of anaplasmosis typically begin 1-2 weeks after the tick bite. They can include fever, headache, muscle pain, malaise, chills, nausea/abdominal pain, cough, confusion, and rarely rash.

Treatment and Prevention of Anaplasmosis

Like other tick-borne diseases, anaplasmosis can be treated effectively with antibiotics, particularly when treatment is started early. Preventive measures are similar to those for other tick-borne diseases:

  • Avoiding tick-infested areas
  • Using repellents
  • Wearing protective clothing
  • Performing regular tick checks

Southern Tick-Associated Rash Illness (STARI)

Southern Tick-Associated Rash Illness, commonly known as STARI, is a condition that occurs following a bite from a lone star tick. It's unclear what causes STARI, and there's ongoing research to determine if an infectious agent causes it.

Symptoms of STARI

Symptoms of STARI are similar to those of Lyme disease, including a red, expanding "bull's-eye" lesion at the site of the tick bite, fatigue, headache, fever, and muscle pains.

Treatment and Prevention of STARI

The treatment for STARI usually involves a course of antibiotics, which helps to clear up the rash quickly and prevent potential complications. Preventing STARI involves the same precautions as other tick-borne diseases, including repellents, appropriate clothing, and prompt tick removal.


Tularemia is a disease caused by the bacterium Francisella tularensis, and it can be transmitted to humans through tick bites, particularly the lone star tick and the American Dog tick.

Symptoms of Tularemia

Symptoms of tularemia can vary depending on how the bacteria enter the body. However, common symptoms include fever, chills, headache, diarrhea, muscle aches, joint pain, dry cough, and progressive weakness. Some people may also experience skin ulcers, swollen and painful lymph glands, inflamed eyes, sore throat, and difficulty breathing.

Treatment and Prevention of Tularemia

Tularemia is a potentially severe disease that can be fatal if not treated with appropriate antibiotics. Prevention methods include wearing protective clothing, using insect repellent, and checking for ticks regularly when in tick-infested environments.

Each of these diseases underlines the importance of understanding and respecting the potential health risks of ticks. In the following sections, we will discuss the prevalence of tick-borne diseases in Texas, how to avoid tick bites and climate change's role in the tick population.

Other Tick-Borne Diseases in Texas

Besides the significant diseases we've already discussed, ticks in Texas can also carry other diseases, including canine parvovirus, often called Parvo. Although Parvo is primarily spread through direct contact between dogs, ticks have been implicated as potential carriers of this virus, underscoring the importance of maintaining comprehensive tick control measures not just for human health but for the health of our pets as well.

Prevalence of Tick-Borne Diseases in Texas

While tick-borne diseases are a concern across the entire United States, some diseases are more prevalent in Texas due to their diverse ecology and the variety of ticks found across the state. Lyme disease, though considered less common in Texas compared to northeastern states, still poses a risk, particularly in the eastern part of the state.

Rocky Mountain spotted fever, on the other hand, is more common in Texas, especially in the central, southern, and western regions. Cases of Anaplasmosis, Tularemia, and STARI have also been reported, reinforcing the need for residents and visitors to remain vigilant regarding tick bite prevention.

How to Avoid Tick Bites in Texas

Best Practices for Tick Prevention and Removal

Avoiding tick bites is the first line of defense in preventing tick-borne diseases. Here are some strategies:

  1. Use insect repellent: Use a repellent with at least 20% DEET on exposed skin and clothing. For those who prefer a natural option, products containing the oil of lemon eucalyptus can also provide protection.
  2. Wear appropriate clothing: If you're venturing into wooded or grassy areas, wear light-colored long-sleeved shirts and long pants to cover your skin and make ticks easier to spot. Tuck your pants into your socks for extra protection.
  3. Avoid tick habitats: Ticks live in grassy, brushy, or wooded areas or on animals. Avoiding these habitats can reduce your chances of being bitten.
  4. Check for ticks: After being outdoors, check your entire body for ticks. They prefer warm, moist areas in the hair, under the arms, around the waist, behind the knees, and between the legs.

If you find a tick, it's essential to remove it properly to reduce your chances of getting a disease. Use fine-tipped tweezers to grasp the tick as close to the skin's surface as possible, then pull upward with steady, even pressure. Once the tick is removed, clean the bite area and your hands with rubbing alcohol or soap and water.

Understanding the potential dangers posed by ticks and taking steps to prevent tick bites is crucial to safeguarding your health and your family's health from tick-borne diseases. In the next section, we will look at how climate change influences the tick population in Texas.

The Role of Climate Change in Tick Population

The impact of climate change on tick populations and, by extension, the prevalence of tick-borne diseases cannot be overstated. Rising temperatures, changes in rainfall patterns, and shifts in seasonal dynamics have been linked to increased tick populations and expanded geographical distribution of ticks.

Impact on Human Health

More ticks mean a higher potential for tick-borne disease transmission. The warming climate allows ticks to survive in regions previously too cold for them, expanding their range and bringing tick-borne diseases to areas where they were once unheard of. Also, longer warm seasons mean a prolonged period of tick activity, hence a longer window for potential tick-human interaction, increasing the risk of tick-borne disease transmission.

This emerging public health issue underscores the need for continuous monitoring of tick populations and the diseases they carry and increased efforts to educate the public on preventing and detecting tick-borne diseases. Homeowners, in particular, should be aware of the risks and know how to protect themselves, their families, and their pets from ticks.


The Importance of Awareness and Prevention Tactics

Ticks are more than just a nuisance; they are vectors for several serious diseases. In Texas, these include Lyme disease, Rocky Mountain spotted fever, Anaplasmosis, Southern Tick-Associated Rash Illness (STARI), Tularemia, and possibly others. Recognizing the types of ticks common in Texas and the diseases they carry is the first step in preventing these illnesses.

Practicing prevention tactics such as wearing appropriate clothing, using insect repellent, avoiding tick habitats, and checking for ticks regularly can significantly reduce the risk of tick bites and subsequent diseases. If a tick is found, removing it promptly and adequately is essential to minimize the chance of disease transmission.

Furthermore, understanding the broader factors influencing tick populations, such as climate change, can help us anticipate shifts in tick distribution and disease risk.

At Natran Green Pest Control, we believe that knowledge is power. By staying informed about the potential threats posed by ticks and other pests, Texas homeowners can make their homes safer and healthier places to live. Remember to remain vigilant, informed, and secure whether you're in Houston, Austin, or any surrounding area.

Remember, please get in touch with us if you need help managing ticks or other pests. We're committed to providing effective, eco-friendly pest control solutions for our Texas communities.

Frequently Asked Questions

What are the symptoms of Texas tick disease?

After a tick bite, it's crucial to monitor your health closely. If you experience a rash, fever, headache, joint or muscle pains, or swollen lymph nodes within 30 days of a tick bite, consult your physician immediately. These can be signs of several tick-borne diseases.

Does Lyme disease exist in Texas?

Yes, Lyme disease does exist in Texas. Although Texas is a low-incidence state for Lyme disease compared to northeastern states, it still poses a risk, particularly in the eastern part of the state.

What ticks in Texas carry Lyme disease?

The black-legged tick, Ixodes scapularis, is Texas's principal vector of Lyme disease. The nymphs and adults of this tick species can transmit the bacterium to humans.

What do ticks in Texas carry the most common diseases?

The most common diseases carried by ticks in Texas are Lyme disease, Anaplasmosis, Rocky Mountain spotted fever, Southern Tick-Associated Rash Illness (STARI), and Tularemia.

How can I protect myself from tick-borne diseases in Texas?

To protect yourself from tick-borne diseases in Texas, it's recommended to wear long sleeves and long pants in wooded or grassy areas and use an insect repellent that contains DEET. Always check your body for ticks after being outdoors, and promptly remove any ticks you find with tweezers.

How can I identify the symptoms of a tick-borne disease?

Symptoms of tick-borne diseases can vary, but common signs include fever, chills, aches and pains, and rash. These symptoms may appear slowly and might not seem serious initially, but they can progress to severe illness. Always consult your healthcare provider if you notice these symptoms after a tick bite.

Are certain areas in Texas more susceptible to ticks carrying diseases?

Yes, certain areas in Texas are more susceptible to ticks carrying diseases. Notably, Texas's eastern and coastal regions have a higher prevalence of ticks due to the favorable humid climate.

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