Lactobacillus Acidophilus Side Effects
Medically reviewed by Drugs.com. Last updated on May 31, 2025.
Applies to lactobacillus acidophilus: oral capsule, oral powder for suspension, oral tablet, oral tablet chewable, oral wafer.
It is very important that your doctor check your progress at regular visits. This will allow your doctor to see if the supplement is working properly and to decide if you should continue to take it.
If you develop a skin rash, hives, swelling, dizziness, trouble breathing, or any allergic reaction to this supplement, call your doctor as soon as possible.
Do not take other medicines unless they have been discussed with your doctor. This includes prescription or nonprescription (over-the-counter [OTC]) medicines and herbal, vitamin, or other dietary supplements.
Serious side effects
Along with its needed effects, lactobacillus acidophilus may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.
Check with your doctor immediately if any of the following side effects occur while taking lactobacillus acidophilus:
Incidence not known
- cough
- difficulty with swallowing
- dizziness
- fast heartbeat
- hives, itching, or rash
- puffiness or swelling of the eyelids or around the eyes, face, lips, or tongue
- tightness in the chest
- trouble breathing
- unusual tiredness or weakness
Other side effects
Some side effects of lactobacillus acidophilus may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects.
Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:
Incidence not known
- passing gas
See also:
Flagyl
Flagyl is used to treat bacterial infections of the vagina, stomach, skin and joints. Learn about ...
Acidophilus
Acidophilus helps maintain an acidic environment, which can prevent the growth of harmful bacteria ...
Ozempic
Learn about Ozempic (semaglutide) for type 2 diabetes treatment, weight management, cardiovascular ...
Penicillin VK
Penicillin VK is used for bacterial infection, clostridioides difficile infection, cutaneous ...
Dificid
Dificid (fidaxomicin) is an antibiotic used to treat diarrhea caused by infection with Clostridium ...
Vancocin
Vancocin is used for bacteremia, bacterial endocarditis prevention, bacterial infection, bone ...
Penicillin v potassium
Penicillin V is used to treat infections caused by bacteria, such as ear infections. Includes ...
Vancomycin
Vancomycin is used to treat infections of the intestines that cause colitis. Learn about side ...
Metronidazole
Metronidazole is an antibiotic used to fight bacteria in your body. Learn about side effects ...
More about lactobacillus acidophilus
Patient resources
- Lactobacillus acidophilus drug information
- Lactobacillus acidophilus (Advanced Reading)
- Lactobacillus Tablets and Capsules
Other brands
Acidophilus, Florajen, Acidophilus Probiotic Blend, Intestinex, ... +11 more
Professional resources
Related treatment guides
Further information
Lactobacillus acidophilus side effects can vary depending on the individual. Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.
Note: Medication side effects may be underreported. If you are experiencing side effects that are not listed, submit a report to the FDA by following this guide.
