Tropical sprue is a mysterious condition endemic to the tropics. The disease causes symptoms that include a sore tongue, diarrhea, malabsorption, weight loss, and sometimes anemia. When one contracts tropical sprue, there is a characteristic flattening of the intestinal villi and inflammation of the lining of the small intestine, causing pain and discomfort for those afflicted. When the villi are flattened, there is less surface area to the intestinal wall, resulting in problems properly absorbing nutrients from food. Scientists speculate that the cause of tropical sprue could be viral, amoebal, bacterial, parasitic in nature. Another possible cause for the disease could be due to a deficiency of folic acid. Not to be confused with coeliac disease (an autoimmune disorder with similar symptoms), tropical sprue is limited to regions within 30 degrees north and south of the equator, affecting only people native to the area and those visiting. Tropical sprue can lay dormant in the body for years after a person has contracted the disease, but symptoms can develop much sooner for some.
Symptoms include:
- Diarrhea
- Steatorrhea
- Malabsorption
- Indigestion
- Cramps
- Severe weight loss
- Fatigue
If a diagnosis of tropical sprue goes untreated, malabsorption can lead to vitamin deficiencies that can have very serious consequences. With treatment, the prognosis for tropical sprue is very good, with most making a full recovery. That being said, vitamin deficiencies can cause a whole range of additional symptoms. These include:
- Hyperkeratosis (skin scales from a lack of vitamin A)
- Folic acid deficiencies can cause anemia
- Spasms, bone pain, tingling, and numbness can all stem from vitamin D and calcium deficiencies
- Bruises can develop due to a vitamin K deficiency
Self Help
If one is traveling to a tropical region of the globe, there are steps that one can take to lower their risk of contracting this unique disease. The main plan of action that you should adopt when traveling to the tropics is to only use bottled water for tasks such as washing hands or face, brushing teeth, drinking, and washing food. Tap water should not be used for these purposes.
Western Treatments
Once identified, tropical sprue can be treated by a round of antibiotics for a duration lasting anywhere from three to six months. Often, vitamins B-12 and folic acid are incorporated into the treatment plan. With treatment, the prognosis for tropical sprue is very good. Once cured, there is an extremely low recurrence rate. This recurrence rate is even lower for those individuals who contracted the disease while traveling—those who hail from the tropics have a recurrence rate of around 20%.
Treatments Based in TCM Practices
There are a number of herbal mixtures that can help alleviate some of the symptoms and/or underlying causes of tropical sprue. To address the symptoms of diarrhea and weight loss, a mixture containing bovine colostrum complex can be taken. For gastric upset, a combination of poria sclerotium, coix seed, barley shen qu, magnolia bark, angelica root, pueraria root, red atractylodes rhizome, vladimiria souliei root, and pogostemon herb may help settle the stomach.
If the cause of the tropical sprue is thought to be due to parasitic infection, two herbal mixtures can be combined to help cleanse the body. The first mixture contains black walnut hulls, terminalia fruit, ginger rhizome, mume fruit, codonopsis root, poria sclerotium, white atractylodes rhizome, quisqualis, omphalia fruit, vladimiria souliei root, torreya seed, and pomegranate rind. The second mixture contains artemisia anua concentrate, dichroa root, brucea fruit, pulsatilla root, magnolia bark, pinellia rhizome, pogostemon herb, dolichos seed, and citrus peel.
Alternately, if the underlying cause of the tropic sprue is thought to be viral or bacterial, an herbal mixture containing isatis extract leaf & root, astragalus root, bupleurum root, laminaria leaf, codonopsis root, epimedium leaf, lycium fruit, and dioscorea root may help address infection and alleviate symptoms.