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Bacid (LAC)

Generic name: lactobacillus acidophilus [ LAK-toe-ba-SIL-us-AS-sid-OFF-il-us ]
Brand names: Acidophilus, Acidophilus Extra Strength, Acidophilus Probiotic Blend, Acidophilus with Pectin, Bacid (LAC), ... show all 12 brands
Drug classes: Antidiarrheals, Probiotics

Medically reviewed by Drugs.com on Jul 31, 2023. Written by Cerner Multum.

What is Bacid (LAC)?

Bacid (LAC) is a bacteria that exists naturally in the body, primarily in the intestines and the vagina. This medicine has been used as a probiotic, or "friendly bacteria."

Bacid (LAC) has been used in alternative medicine as a likely effective aid in treating diarrhea in children with rotavirus.

Bacid (LAC) has been used in alternative medicine as a possibly effective aid (in children or adults) in preventing diarrhea caused by antibiotics, travel, chemotherapy, or hospitalization. This medicine is also possibly effective in treating irritable bowel syndrome, bacterial vaginal infection, colic in babies, lung infections in children, skin problems in children who are allergic to milk, and other conditions.

Bacid (LAC) has also been used to treat lactose intolerance, Crohn's disease, overgrowth of bacteria in the intestines, or vaginal yeast infections caused by antibiotics. However, research has shown that this medicine may not be effective in treating these conditions.

Other uses not proven with research have included treating indigestion, urinary tract infections, intestinal problems in premature babies, high cholesterol, lyme disease, cold sores, acne, cancer, the common cold, and other conditions.

It is not certain whether Bacid (LAC) is effective in treating any medical condition. Medicinal use of this product has not been approved by the FDA. This medicine should not be used in place of medication prescribed for you by your doctor.

Bacid (LAC) is often sold as an herbal supplement. There are no regulated manufacturing standards in place for many herbal compounds and some marketed supplements have been found to be contaminated with toxic metals or other drugs. Herbal/health supplements should be purchased from a reliable source to minimize the risk of contamination.

Bacid (LAC) may also be used for other purposes not listed in this product guide.

Bacid (LAC) side effects

Get emergency medical help if you have signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Although not all side effects are known, Bacid (LAC) is thought to be likely safe when taken for a short period of time.

Common side effects of Bacid (LAC) may include:

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

Bacid (LAC) side effects (more detail)

Warnings

Follow all directions on the product label and package. Tell each of your healthcare providers about all your medical conditions, allergies, and all medicines you use.

Before taking this medicine

Ask a doctor, pharmacist, or other healthcare provider if it is safe for you to use this product if you have:

Ask a doctor before using this product if you are pregnant or breast-feeding.

Do not give any herbal/health supplement to a child without medical advice.

How should I take Bacid (LAC)?

When considering the use of herbal supplements, seek the advice of your doctor. You may also consider consulting a practitioner who is trained in the use of herbal/health supplements.

If you choose to use Bacid (LAC), use it as directed on the package or as directed by your doctor, pharmacist, or other healthcare provider. Do not use more of this product than is recommended on the label.

Bacid (LAC) is available in capsule and tablet form, or as a vaginal suppository. Powder or liquid forms may also be available. Some dairy products, especially yogurt, also contain this medicine.

The chewable tablet must be chewed before you swallow it.

Do not use different forms of lactobacillus acidophilus at the same time without medical advice. Using different formulations together increases the risk of an overdose.

Call your doctor if the condition you are treating with Bacid (LAC) does not improve, or if it gets worse while using this product.

Store Bacid (LAC) in a sealed container as directed on the product label, away from moisture, heat, and light.

What happens if I miss a dose?

Skip the missed dose if it is almost time for your next scheduled dose. Do not use extra Bacid (LAC) to make up the missed dose.

What happens if I overdose?

Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.

What should I avoid while taking Bacid (LAC)?

Avoid taking Bacid (LAC) within 2 hours after you take any type of antibiotic medicine.

What other drugs will affect Bacid (LAC)?

Do not take Bacid (LAC) without medical advice if you are using any medications that can weaken your immune system, such as:

This list is not complete. Other drugs may interact with lactobacillus acidophilus, including prescription and over-the-counter medicines, vitamins, and herbal products. Not all possible interactions are listed in this product guide.

Bacid (LAC) drug interactions (more detail)

amoxicillin, doxycycline, ciprofloxacin, metronidazole, fluconazole, ceftriaxone, Augmentin, levofloxacin, dicyclomine, nystatin

Further information

Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

Medical Disclaimer

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