Elephantiasis, also known as lymphatic filariasis, is a serious infection that can lead to significant swelling, primarily in the legs but also in the arms, breasts, and genital areas. Recently, Mashonaland West province in Zimbabwe has reported an outbreak, with cases confirmed in Kariba and Mhondoro Ngezi. The outbreak came to light when some pupils in rural Kariba exhibited symptoms of the disease.
According to the World Health Organization, lymphatic filariasis poses a serious threat to around 406 million people in Africa. Globally, it affects more than 120 million individuals across 72 countries in tropical and subtropical regions, including parts of Asia, Africa, the Western Pacific, and the Caribbean.
What Causes Elephantiasis?
Elephantiasis is caused by a parasitic worm transmitted through mosquito bites. When a mosquito bites an infected person, it picks up the parasite and can then spread it to healthy individuals. Tiny larvae enter the body through the bite and travel to the lymphatic system, where they mature into adult worms. These worms can live for several years, producing millions of larvae that circulate in the blood. If left untreated, the infection can result in severe swelling and thickening of the skin in affected areas.
Symptoms to Watch For
Acute symptoms of elephantiasis can include redness, warmth, swelling, and pain in the affected areas. While many people may not notice symptoms initially, the infection can still damage the lymphatic system and kidneys. When symptoms do develop, they often manifest as swelling, particularly in the legs, but can also affect the arms, breasts, or genitals. In men, the scrotum may swell, a condition known as hydrocele.
Severe cases can lead to complications, as the disease hampers the immune system, making individuals more susceptible to skin infections. Rarely, it can also cause respiratory issues such as coughing and shortness of breath.
Diagnosing elephantiasis typically involves a blood test, although it can sometimes yield negative results even if the disease is present. This is because noticeable swelling may not occur until years after the initial infection. Ultrasound can also be used to detect adult worms in the lymphatic system.
While there is medication available to kill the worms, treatment is most effective when administered before significant symptoms develop. If you or someone you know is experiencing swelling, consulting with a healthcare provider is crucial. Specialized care from a lymphedema therapist can help manage symptoms, and surgical options may be necessary for severe cases involving swelling of the scrotum.
Preventing elephantiasis primarily involves avoiding mosquito bites, especially in areas where the disease is prevalent. To minimize your risk, sleep under mosquito nets during peak mosquito activity hours in the evening and early morning, wear long-sleeved clothing and long pants to cover your skin, and apply mosquito repellent on any exposed areas.
For those already experiencing symptoms, maintaining cleanliness in the affected areas is vital. Regularly wash the swollen area with soap and water, and elevate swollen limbs to help reduce fluid accumulation. Specific exercises can also aid in fluid movement; consult a healthcare provider for guidance.
The recent outbreak of elephantiasis in Zimbabwe serves as a reminder of the importance of awareness and prevention. Understanding the risks, symptoms, and treatment options can greatly impact the lives of those affected. If you suspect you or someone you know may be at risk, seek medical advice promptly.
Readers should consult their doctor or clinic on any matter related to their health or the treatment of any health problem.