Lactobacillus

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Other Names: Acidophilus, Acidophilus Bifidus, Acidophilus Lactobacillus, L. Acidophilus, L. Amylovorus, L. Brevis, L. Bulgaricus, L. Casei Immunitas, L. Casei, L. Crispatus, L. Delbrueckii, L. Fermentum, L. Gallinarum, L. Helveticus, L. Johnsonii, L. Johnsonii LC-1, L. Lactis, L. Plantarum, L. Reuteri, L. Rhamnosus, L. Salivarius, L. Sporogenes, Lacto Bacillus, Lactobacille, Lactobacilli, Lactobacilli Acidophilus, Lactobacilli Bulgaricus, Lactobacilli Plantarum, Lactobacilli Rhamnosus, Lactobacilli Salivarium, Lactobacillus acidophilus, Lactobacillus amylovorus, Lactobacillus brevis, Lactobacillus bulgaricus, Lactobacillus casei, Lactobacillus casei sp. rhamnosus, Lactobacillus crispatus, Lactobacillus delbrueckii, Lactobacillus delbrueckii ssp. bulgaricus, Lactobacillus fermentum, Lactobacillus gallinarum, Lactobacillus Gasseri, Lactobacillus GG, Lactobacillus Helveticus, Lactobacillus johnsonii, Lactobacillus Lactis, Lactobacillus Paracasei, Lactobacillus plantarum, Lactobacillus reuteri, Lactobacillus Rhamnosus GG, Lactobacillus rhamnosus, Lactobacillus sakei, Lactobacillus Salivarium, Lactobacillus salivarius, Lactobacillus sporogenes, Lactobacilo, Lactospores, LC-1, Probiotics, Probiotiques.
Lactobacillus is a type of bacteria. There are lots of different species of lactobacillus. These are "friendly" bacteria that normally live in our digestive, urinary, and genital systems without causing disease. Lactobacillus is also in some fermented foods like yogurt and in dietary supplements.

Special Precautions of Lactobacillus

  • Lactobacillus is LIKELY SAFE for most people, including babies and children. Side effects are usually mild and most often include intestinal gas or bloating.
  • Lactobacillus is also LIKELY SAFE for women to use inside the vagina.
  • Pregnancy and breast-feeding: Using lactobacillus during pregnancy and breast-feeding is POSSIBLY SAFE. Lactobacillus GG has been used safely in pregnant and breast-feeding women. But other types of lactobacillus have not been studied during pregnancy and breast-feeding, so their safety is unknown.
  • Weakened immune system: There is some concern that lactobacillus from supplements that contain live bacteria might grow too well in people whose immune systems are weakened. This includes people with HIV/AIDS or people who have taken medicines to prevent rejection of a transplanted organ. Lactobacillus has caused disease (rarely) in people with weakened immune systems. To be on the safe side, if you have a weakened immune system, talk with your healthcare provider before taking lactobacillus.
  • Short bowel syndrome: People with short bowel syndrome might be more likely than other people to develop lactobacillus infections. If you have this condition, talk with your healthcare provider before taking lactobacillus.
  • Antibiotic drugs interacts with lactobacillus
  • Medications that decrease the immune system (Immunosuppressants) interacts with lactobacillus.

Benefits and uses of Lactobacillus are

  • Diarrhea in children caused by a certain virus (rotavirus). Children with rotaviral diarrhea who are being treated with lactobacillus seem to get over their diarrhea about a half day earlier than they would without this treatment. Larger doses of lactobacillus are more effective than smaller ones. At least 10 billion colony-forming units during the first 48 hours should be used.
  • Preventing diarrhea in children caused by antibiotics. Giving children Lactobacillus GG (Culturelle) along with antibiotics seems to reduce the diarrhea that children sometimes experience when taking antibiotics alone.
  • Preventing diarrhea in hospitalized adults. Drinking a specific beverage containing Lactobacillus casei, Lactobacillus bulgaricus, and Streptococcus thermophilus (Actimel, Danone) twice daily during antibiotic treatment and for a week afterwards significantly decreases the risk of developing diarrhea.
  • Preventing diarrhea due to traveling. Traveler’s diarrhea is caused by bacteria, viruses, or parasites that the traveler has not been exposed to before. Taking a specific strain of Lactobacillus rhamnosus, Lactobacillus GG (Culturelle) seems to help prevent diarrhea in travelers. The effectiveness of Lactobacillus GG can vary a lot depending on the travel destination because of differences in bacteria in different locations.
  • Preventing diarrhea due to cancer treatment (chemotherapy). A chemotherapy drug called 5-fluorouracil can cause severe diarrhea and other gastrointestinal (GI) side effects. There is some evidence that patients with cancer of the colon or rectum have less severe diarrhea, less stomach discomfort, shorter hospital care, and require fewer chemotherapy dose reductions due to GI side effects when they take a particular strain of Lactobacillus rhamnosus, Lactobacillus GG (Culturelle).
  • Colic in babies. Taking a specific Lactobacillus reuteri product (Probiotic Drops, BioGaia AB) 100 million CFUs once daily for 21-28 days reduces daily crying time in nursing infants. Taking this Lactobacillus reuteri product seems to be more effective than using the drug simethicone.
  • Lung infections. Children ages 1 to 6 years who attend daycare centers seem to get fewer and less severe lung infections when given milk containing lactobacillus GG or a specific combination product containing both Lactobacillus acidophilus and Bifidobacterium (HOWARU Protect).
  • Treating a bowel condition called ulcerative colitis. Some research suggests that taking a specific combination product containing lactobacillus, bifidobacteria, and streptococcus might improve symptoms. Taking lactobacillus also seems to help treat chronic pouchitis, a complication of surgery for ulcerative colitis. Continuous treatment for one year with a specific concentrated formulation of lactobacillus, bifidobacterium, and streptococcus (VSL#3) seems to help most patients.
  • Treating irritable bowel syndrome (IBS). There is some research showing that certain strains of lactobacillus, but not others, can improve symptoms of IBS such as bloating, and stomach pain.
  • Treating vaginal infections caused by bacteria (bacterial vaginosis). Clinical research shows certain strains of Lactobacillus might help treat bacterial vaginosis when applied inside the vagina. Researchers have found Lactobacillus acidophilus suppositories (Vivag, Pharma Vinci A/S, Denmark) and vaginal tablets (Gynoflor, Medinova, Switzerland) may be effective. Researchers also found that vaginal capsules Lactobacillus gasseri and Lactobacillus rhamnosus, seem to lengthen the time between infections.
  • Treating and preventing eczema (atopic dermatitis) in infants and children who are allergic to cow’s milk. A combination of freeze-dried Lactobacillus rhamnosus and Lactobacillus reuteri seems to reduce eczema symptoms in children ages 1 to 13 years.
  • Helping prescription medications treat Helicobacter pylori (H pylori) infection, which causes stomach ulcers.
  • Treating diarrhea caused by the bacterium Clostridium difficile.