The Chronic Illness That Affected El Mencho in the Final Stage of His Life
Posted on 02/26/26 at 13:34
- El Mencho Suffered from Chronic Kidney Failure
- Severely limited mobility
- Required specialized medical care
According to El Heraldo de México, Nemesio Oseguera Cervantes, alias “El Mencho,” leader of the Cártel Jalisco Nueva Generación (CJNG), died on Sunday, February 22, at the age of 59.
His death occurred after he was killed during a federal operation led by security forces in Tapalpa.
Before his death, the drug lord was reportedly battling a chronic illness that had significantly deteriorated his physical condition.
According to reports from Mexican and foreign authorities, El Mencho suffered from chronic kidney failure.
The illness allegedly reduced his kidney function to less than 15 percent of normal capacity.
Chronic Kidney Failure: El Mencho’s Diagnosis
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Kidney failure is a condition in which the kidneys lose their ability to remove waste from the body.
It also prevents the proper balance of fluids and chemicals in the bloodstream.
Additionally, it affects blood pressure regulation.
When this function is compromised, fluid retention and toxin buildup can occur.
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Symptoms include fatigue and general discomfort.
Reports indicate that El Mencho’s condition was severe.
His kidney function level was reportedly below 15 percent of normal.
Causes and Treatment of the Disease

Among the main causes of kidney failure are diabetes and hypertension.
Treatment may include dietary changes.
It can also require specific medications.
In some cases, dialysis is necessary.
In more severe situations, a kidney transplant may be required.
Reports suggest that the illness significantly limited El Mencho’s mobility and physical capabilities in his final years, reinforcing accounts of El Mencho chronic kidney failure as a persistent condition.
Medical Care Within a Secure Area
According to information gathered in official reports, Nemesio Oseguera Cervantes allegedly received specialized medical attention.
This care was reportedly provided within his security zone located in the mountains of Jalisco.
Reports also indicate that he depended on others for assistance.
At least two individuals were said to have facilitated his medications and treatments.
They also allegedly provided daily care due to his inability to fully care for himself as a result of the illness.
His medical condition is believed to have been a determining factor in his physical state prior to the operation in Tapalpa.
El Mencho had been considered one of the authorities’ top targets.
A reward of up to 30 million pesos in Mexico and $15 million in the United States had been offered for information leading to his capture.
The combination of his deteriorating health and mounting law enforcement pressure marked the final years of the CJNG leader’s life.
After his death, details about El Mencho’s chronic kidney disease became part of the broader narrative surrounding the operation in which he was killed.
Medical and intelligence reports indicate that chronic kidney failure had been a constant condition during the final stage of his life.