What Is Lactobacillus Casei?

Lactobacillus casei is a bacteria that is a species of Lactobacillus, which is known to have a wide pH and temperate range where it can grow. It is commonly used in dairy productions as the dominant bacteria for nonstarter lactic acid bacteria in foods like cheddar cheese. The bacteria are also commonly found in naturally fermented Sicilian green olives. It is one of the most well-researched and applied probiotic Lactobacillus species.

History of Lactobacillus Casei

There are over 200 species of Lactobacillus, which makes it one of the most diverse genera within lactic acid bacteria. The lactobacillus genus was first discovered by the Orla-Jension duo in 1916, whereas Lactobacillus casei was first proposed as a novel species in 1971 by Hansen and Lessel.

Symptoms of Diseases Caused By Lactobacillus Casei

Lactobacillus Casei is a probiotic, which means it does not cause any disease to humans as far as we know. In fact, it has a number of benefits, especially when it comes to helping regulate the digestive system.

The majority of people take probiotics like Lactobacillus Casei without experiencing any adverse effects. However, those who do will experience some mild gas. Also, there occasionally are more severe side effects reported by users, which may include dangerous infections. Succumbing to a problem like this requires the presence of a severe medical condition or a weakened immune system.

How You Can Treat Lactobacillus Casei

While most people will not experience the effects mentioned above, for those who do, cutting back on taking probiotics like Lactobacillus casei appears to help quickly.


If you want to play it safe, then you only need to make a few lifestyle changes. This involves cutting out dairy products like yogurt and cheese, as well as other fermented foods like Sicilian olives. This should keep you away from most sources of Lactobacillus casei bacteria.

Also, if you are pregnant or nursing, or are someone who is taking prescription medication, talk with your doctor to learn about how to best avoid Lactobacillus casei bacteria.


Most people will not become negatively affected by Lactobacillus casei bacteria. However, if you are in one of the rare categories of people who are at risk of any foreign bacteria entering your body, then you can take antibiotics to clear up a bacterial infection. Talk to your doctor about the best antibiotic to take if you have an issue with Lactobacillus casei.

How Alliance Enviro-Tech Can Help

Although a bacterial infection caused by Lactobacillus casei is incredibly rare and unlikely, it is vital to be aware of its risks. This is especially true for people who have weakened immune systems or have a severe medical condition.

Alliance Enviro-Tech can disinfect both residential and commercial spaces thoroughly. Our Path-Guard® system and Path-Away Anti-Pathogenic Aerosol Solution® can kill Lactobacillus casei, as well as other bacteria and viruses, in under five minutes, giving you peace of mind to know your place is a healthier space. Contact us to learn more about how we can help.