How to Know if You Have Jungle Rot

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Jungle rot, also known as a tropical ulcer, is a painful, necrotic (causes tissue death) skin lesion caused by a mixed bacterial infection. This potentially debilitating infection is caused by a combination of anaerobic and spiral bacteria, among others. Jungle rot mostly affects children and young adults in hot humid tropical or subtropical regions. If you have jungle rot, you’ll see a sore or lesion at the site of a small, previously received wound on your leg or foot. The wound will become inflamed, sore, and painful. The pustules that form will exude a stinky pus. If you have a painful lesion or suspect you have jungle rot, consult a medical professional immediately. [1]

Part 1
Part 1 of 3:

Recognizing Primary Symptoms

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  1. Jungle rot makes its home in wounds you already received. Tropical ulcers generally occur in small wounds. Inflammation of the skin will begin soon after the wound is infected, starting small but increasing quickly in size. You’ll first notice a papule (lesion) that is raised slightly and brown, red, or pink in color. [2]
    • By the fifth or sixth day, a pustule about one centimeter in diameter will develop on the site of the initial wound.
    • The affected skin might be reddened, itchy, and scaly.
    • As the inflammation continues, part of the skin will progress from a rash that's itchy and scaly to dry and peeling.
  2. An ulcer is a serious sore or lesion accompanied by a breakdown of nearby tissue. On your feet or legs, the ulcer will cause severe tissue damage, bleeding, and possibly a grayish slough (a layer of dead tissue separated from the rest of your skin). The center of the ulcer might be yellow or red.
    • It might be oval or round in shape.
    • If you have jungle rot, your ulcer could be from half an inch to thirteen inches in diameter. Your ulcer's size will depend on your overall health and nutrition. The healthier you are, the less serious your ulcer will be.
    • The ulcer will grow quickly during the first three weeks, then slow in growth until it reaches its maximum size after about six weeks.
  3. The first two to three weeks of jungle rot are the most painful. Walking and standing might become nearly impossible due to the pain. [3]
    • In severe cases, there is marked disability where one is unable to walk. This may occur when the infection spreads to the tendon, sheath and the bones.
    • You can relieve pain with adequate bandaging. Use a non-adhesive dressing and change it daily. Wash the wound with clean water between dressings and pat dry.
  4. When the pustules burst, they exude a stinky mixture of blood and pus. In the later stages of the disease, a foul smell might also indicate that your muscle tissues have begun to rot and die. [4]


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Checking for Secondary Symptoms

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  1. Tetanus — also known as lockjaw — is a serious bacterial disease that affects the nervous system. Tetanus bacteria enters the body through a wound, so it is important to see your doctor for a tetanus booster shot if you haven’t had one in the past 10 years. Tetanus causes painful muscle contractions, especially in the jaw, and can affect your ability to breathe. Stay aware of signs that you might have tetanus, including: [5]
    • Difficulty swallowing
    • Spasms that last several minutes
    • Stiffness in the neck or jaw
    • Fever
    • High blood pressure
  2. The Achilles tendon — a tendon connecting your heel to the muscles in your calf — is often at special risk for rupture if you have jungle rot. Ruptured tendons can be identified by hearing or feeling a pop or snap in your calf followed quickly by a terrible pain in your leg or ankle. With a ruptured tendon, you will be unable to walk properly or put a normal amount of weight on the leg. [6]
    • Most cases of ruptured tendons require surgery. Talk to your doctor if you suspect you’ve ruptured a tendon.
  3. As the tropical ulcer progresses, it might lead to gangrene, a medical condition characterized by the death of tissue due to infection. If you suspect you have gangrene, contact a medical professional immediately for treatment. Your ulcer might have become gangrenous if: [7]
    • You have extreme pain in your affected limb followed by a period of numbness
    • Your skin near the ulcer is deeply discolored and appears bruised. It might be red, purple, black, blue, or bronze in color.
    • Your skin is pale, hard, numb, or cold.
    • You have an extreme fever and/or low blood pressure in addition to any of the above symptoms.
  4. Edema is buildup of bodily fluid that causes the skin to swell and become discolored. [8] If you notice yourself accumulating weight in your legs or feet, experiencing stiffness in your joints, or feeling aches and pains in your legs, you probably have edema. Combined with related symptoms, this may indicate a case of tropical ulcers.
  5. Hyperpigmentation is the darkening of skin in uneven patches. [9] You might notice the skin around your ulcer becomes discolored and darker than the rest of the surrounding skin. This is usually temporary, but could last for several months.
    • The amount of time the hyperpigmentation lasts varies from person to person.
Part 3
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Minimizing Risk Factors

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  1. As their name implies, tropical ulcers are found in the hot, tropical regions of the world. Most of Africa and South America host the bacterium that cause tropical ulcers, as does India, Pakistan, Iran, and Southeast Asia. When traveling to these areas, steer clear of forests and jungles, as well as marshes and swamps.
  2. The bacteria that cause tropical ulcers thrive in dirty water. Do not step in mud and puddles. Instead, walk around them to avoid contact.
    • If you do get mud splashed on you, wipe it off immediately.
    • Those who live near the river or streams, farmers who work in rice paddies, and those who live in slum areas are at risk of developing tropical ulcers.
  3. [10] Exposing wounds to the elements can increase your risk for infection. Rinse the wound with clean water. Apply a topical antibiotic to the wound site and wrap it in clean bandages. [11] For more serious wounds, consult a doctor. [12]
    • Take special care with injuries to the legs and feet, since 90% of all tropical ulcers develop below the knee.
    • It is then best to keep the area clean and dry at all costs — especially in cases of burns.
  4. Walking barefoot puts you at higher risk for tropical ulcers, since the bacteria that cause it usually invade through wounds in your legs or feet. Plus, wearing adequate footwear decreases the chances that you’ll receive a wound that the jungle rot bacteria can enter. The bacteria that cause tropical ulcers can also spread from one person to another if the two individuals both walk about barefoot on a shared floor.
    • Wear clean socks and well-fitting shoes.
    • Additionally, wear pants that extend to the ankle.
    • Avoid wearing shorts.
    • Keep your feet dry. Do not walk in wet shoes for any significant distance. If your shoes get wet, remove them and allow them to dry.
    • Do not share clothes or shoes with others.

Expert Q&A

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  • Question
    What do you use to treat it?
    Jennifer Boidy, RN
    Registered Nurse
    Jennifer Boidy is a Registered Nurse based in Baltimore, Maryland. In addition to her nursing career, she also works as a Healthcare Content Strategist & Writer, helping businesses and non-profits market their products and services to healthcare provider organizations, pharmaceutical companies, and other healthcare services vendors. Jennifer’s areas of expertise include pharmaceuticals & life sciences, health technology, medical devices & diagnostics, health insurance & managed care, and healthcare services & facilities. Her certification as a Registered Nurse was issued by the Maryland Board of Nursing. She graduated from the University of Maryland with a BS in Marketing and Finance. She received her Associate of Science in Nursing from Carroll Community College in 2012.
    Jennifer Boidy, RN
    Registered Nurse
    Expert Answer
    Daily dressing with 0.65% aluminium diacetate, 0.01% potassium permanganate or 0.005% silver nitrate solution is often sufficient to arrest progression of localized ulcers and promote healing. The lesions should also be treated with procaine benzylpenicillin, 600,000 IU daily (25,000 – 50,000 IU/kg for children under 12 years) for two to four weeks.
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      Tips

      • Jungle rot is very serious. If you suspect you have jungle rot, contact a doctor immediately.
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      • If not treated right away, the bacterium can reach muscle tissues, tendons, and bones.
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      • In worst-case scenarios where the infection can’t be controlled, amputation will be the only solution.
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      References

      1. ↑ Miguel Cunha, DPM. Board Certified Podiatrist. Expert Interview. 22 April 2020.
      2. ↑ https://dermnetnz.org/topics/tropical-ulcer/
      3. ↑ https://dermnetnz.org/topics/tropical-ulcer/
      4. ↑ https://dermnetnz.org/topics/tropical-ulcer/
      5. ↑ https://www.mayoclinic.org/diseases-conditions/tetanus/symptoms-causes/dxc-20200458
      6. ↑ https://www.mayoclinic.org/diseases-conditions/achilles-tendon-rupture/basics/definition/con-20020370
      7. ↑ https://www.mayoclinic.org/diseases-conditions/gangrene/basics/definition/con-20031120
      8. ↑ https://www.nhs.uk/Conditions/Oedema/Pages/Introduction.aspx
      9. ↑ https://www.aocd.org/page/Hyperpigmentation
      1. ↑ Miguel Cunha, DPM. Board Certified Podiatrist. Expert Interview. 22 April 2020.
      2. ↑ https://www.nhs.uk/common-health-questions/accidents-first-aid-and-treatments/how-do-i-clean-a-wound/
      3. ↑ Miguel Cunha, DPM. Board Certified Podiatrist. Expert Interview. 22 April 2020.

      About This Article

      Article Summary X

      To know if you have jungle rot, look for swelling on an existing wound, which may appear red, brown, or pink. After 5 or 6 days, expect to see a lesion about 1 centimeter in length on the wound if you have jungle rot. You should also watch for an ulcer, which will cause tissue damage and bleeding if the jungle rot is on your legs or feet. If the pain is especially sore, you can relieve it by washing the wound every day and applying a clean bandage. During the first 2 weeks, you’ll experience pain, which may make it difficult to stand up. As time goes on, check for a foul smell, which may be caused by the ulcer bursting or your muscle tendons rotting. Make sure to see a doctor if you suspect you've contracted jungle rot. For tips from our Medical co-author, including what diseases can be associated with jungle rot, keep reading!

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