Doctors in Texas are worried. They keep seeing young men come into hospitals with kidney damage. These are not old or sick patients. They are otherwise healthy young men. Some of their kidneys are close to shutting down.
Doctors think some of these men may have a rare illness. It is called chronic kidney disease of unknown origin. Doctors call it CKDu for short. That name is a mouthful. But the meaning is simple. The kidneys are failing. Doctors do not know the usual reason why.
Most kidney disease comes from high blood pressure or diabetes. These patients often do not have either one. That is what makes the cases so strange.
Doctors have seen CKDu before, just not here. For years it has shown up in farm areas of Central America. It has also shown up in Sri Lanka. Now some doctors worry the same illness may be hitting workers in the United States. They are looking hard at people who work outside for long hours. That means farmworkers and other laborers who work in extreme heat.
That hits close to home in South Texas. The Rio Grande Valley has thousands of farmworkers. They pick citrus and produce in the fields. They work under the same brutal sun tied to this illness in other countries. If CKDu is showing up in outdoor workers here, Valley families could be at risk.
Nobody knows for sure yet what causes CKDu. Some studies point to a few things. Getting dehydrated over and over. Heat stress. Years of hard physical work in the sun. But doctors say they need a lot more study first. They need more proof before they can name one clear cause. Right now, nothing is confirmed.
Part of the problem is how quiet this illness can be. It often shows no symptoms at first. By the time doctors catch it, the kidneys are already badly damaged. Some patients then need dialysis. Others need a kidney transplant just to survive.
Doctors also think there could be more cases than what gets reported. Many workers do not have easy access to regular doctor visits. Feeling tired or sore after a long day in the field can seem normal. It might not feel like a warning sign.
Health experts say the first step is getting the word out. They are still trying to understand an illness that remains a medical mystery. For now, doctors are urging outdoor workers to stay hydrated. Take breaks from the heat when you can. Get checked if something feels wrong.
El Tejano will keep following this story as more research comes out.
