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Brand Name: Lactobacillus acidophilus, Bacid, Culturelle

Generic Name: Lactobacillus

Drug Class: Gastrointestinal, Herbals

What Is Lactobacillus and How Does It Work?

Lactobacillus is a type of bacteria that is considered "friendly" bacteria that normally live in our digestive, urinary, and genital systems without causing any disease. Lactobacillus restores the intestinal flora, post-antibiotic diarrhea and for prevention of post-antibiotic vulvovaginal yeast infections (candidiasis).

Numerous products available have shown effectiveness.

Lactobacillus is available under the following different brand names: Lactobacillus acidophilus, Bacid, and Culturelle.

Dosages of Lactobacillus:



Dosage Considerations – Should be Given as Follows:

  • Lactobacillus: 1-2 capsules orally each day
  • 1-10 billion colony forming units (CFU) per day orally divided in three to four times a day
  • 8 oz yogurt two times a day
  • Take at least 2 hours after antibiotic; continue for several days after antibiotic treatment is finished


Pancreatitis is inflammation of an organ in the abdomen called the pancreas. See Answer

What Are Side Effects Associated with Using Lactobacillus?

Lactobacillus has no known side effects with other drugs.

This document does not contain all possible side effects and others may occur. Check with your physician for additional information about side effects.

What Other Drugs Interact with Lactobacillus?

If your doctor has directed you to use this medication, your doctor or pharmacist may already be aware of any possible drug interactions and may be monitoring you for them. Do not start, stop, or change the dosage of any medicine before checking with your doctor, health care provider or pharmacist first.

Lactobacillus has no known severe interactions with other drugs.

Lactobacillus has no known serious interactions with other drugs.

Lactobacillus has no known moderate interactions with other drugs.

Lactobacillus has no known mild interactions with other drugs.

This information does not contain all possible interactions or adverse effects. Therefore, before using this product, tell your doctor or pharmacist of all the products you use. Keep a list of all your medications with you, and share this information with your doctor and pharmacist. Check with your health care professional or doctor for additional medical advice, or if you have health questions, concerns or for more information about this medicine.

What Are Warnings and Precautions for Lactobacillus?


  • This medication contains Lactobacillus. Do not take Lactobacillus acidophilus, Bacid, or Culturelle if you are allergic to lactobacillus or any ingredients contained in this drug.

Keep out of reach of children. In case of overdose, get medical help or contact a Poison Control Center immediately.


Effects of Drug Abuse

  • No information available

Short-Term Effects

  • See "What Are Side Effects Associated with Using Lactobacillus?"

Long-Term Effects

  • See "What Are Side Effects Associated with Using Lactobacillus?"


  • None

Pregnancy and Lactation

  • Consult with your physician about use of Lactobacillus during pregnancy
  • Consult with your physician about use of Lactobacillus when breastfeeding


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