1. Meningitis

Meningitis is an infection of the body’s protective layers, which include, somewhat shockingly, the brain and spinal cord. The majority of the time, it is caused by a bacterial or infection-like illness.

The majority of cases are seen in infants, young children, adolescents, and adults who have just turned 18. According to First Support for Life, it can cause major damage to the veins (septicemia), which can result in death rather quickly.

2. Cholera

Cholera is a severe diarrheal illness that, if left untreated, can lead to death within a few hours of onset. This condition could be caused by consuming something that has gone bad, such as food or drink.

Read more>>>https://medicalcaremedia.com/without-immediate-treatment-these-6-diseases-can-kill-you-within-48-hours/