Interactions on record — worth a quick check against your medications. Based on 2 of 4 ingredients. Check your meds →
Dietary supplement

Flora-Q2 Ingredients & Drug Interactions

by PharmaDerm

Capsule Category: Non-nutrient/non-botanical
Most serious interaction: Moderate
The interaction bottom line Most serious interaction: Moderate

Flora-Q2 is a dietary supplement by PharmaDerm with 4 active ingredients. Its ingredients are commonly taken for digestive health, lactose intolerance, diarrhea prevention and support.Based on those ingredients, 182 medications have a known interaction with it, the most serious rated moderate. The ingredients most likely to interact are Lactobacillus acidophilus. Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.

HelloPharmacist Scorecard of Flora-Q2 by PharmaDerm

Our pharmacy team’s full take, with four database checks built into the cards below — a summary of what is known, not a grade of the product itself.

From our pharmacy team — supplement deep dive

What’s inside

Low disclosure
Ingredient Transparency · database check
Low

Most active ingredients don't disclose an individual amount — you can't tell how much of each you're getting.

Why this rating?
  • The label discloses an exact amount for 0 of its 4 active ingredients.
  • “Proprietary Probiotic Blend” is a proprietary blend — the label gives one combined amount (375 mg) without saying how much of each component you get.

Flora-Q2 contains 4 active ingredients: two species of Lactobacillus bacteria (paracasei and acidophilus), Streptococcus thermophilus, and a proprietary probiotic blend that includes Bifidobacterium. These are live-culture probiotics — beneficial bacteria meant to support your gut health.

The remaining ingredients are inactive — maltodextrin, cellulose, hypromellose, sodium alginate, silicon dioxide, magnesium stearate, titanium dioxide, and FD&C Blue 2 — which are the capsule material and fillers that hold everything together.

Does it work?

Moderate evidence
Evidence for Intended Use · database check
By FDA rules, dietary supplements can’t claim to treat, cure, or prevent disease — so labels speak in careful marketing language. We discern each product’s intended use from its name, label claims, and label statements, then grade the clinical evidence for that use. How these ratings are computed
Moderate

Some clinical evidence supports this product's ingredients for its stated purpose, but it isn't conclusive.

Why this rating?
  • The label markets this product for: probiotic digestive health and balance.
  • We looked for evidence on: Antibiotic-associated diarrhea, Bacterial vaginosis, Clostridioides difficile infection, Colic, Constipation, Inflammatory bowel disease (IBD) — and 4 related terms.
  • The strongest evidence on file: Lactobacillus Acidophilus is rated "Possibly Effective" for Antibiotic-associated diarrhea (Natural Medicines).
  • Also on file: Lactobacillus Acidophilus is rated "Possibly Effective" for Bacterial vaginosis, Irritable bowel syndrome (IBS).
  • Also on file: Lactobacillus Acidophilus is rated "Insufficient Reliable Evidence To Rate" for Constipation, Inflammatory bowel disease (IBD), Lactose intolerance, Necrotizing enterocolitis (NEC).

The evidence for these ingredients is mixed and often thin. Lactobacillus acidophilus is possibly effective for irritable bowel syndrome (IBS), Helicobacter pylori infection, antibiotic-associated diarrhea, and bacterial vaginosis.

Streptococcus thermophilus, though, has insufficient evidence for any of the conditions we've reviewed — antibiotic-associated diarrhea, bacterial vaginosis, fatty liver disease, constipation, diabetes, and diabetic kidney damage. We don't have effectiveness data on file for Lactobacillus paracasei or Bifidobacterium.

In short, if you're taking this for one of L. acidophilus's possibly effective uses, there's some reason to hope — but for most other reasons, the science just isn't there yet.

The evidence, ingredient by ingredient Streptococcus Thermophilus Lactobacillus Acidophilus

How safe is it?

Well-documented data
Safety Information · database check
Well characterized

Adverse-effect, pregnancy, and general safety data are on file for most of these ingredients.

Why this rating?
  • We hold adverse-effect (side-effect) data for 2 of the 2 matched ingredients.
  • Pregnancy & breastfeeding safety ratings cover 2 of 2.
  • General safety write-ups exist for 2 of 2.
  • Remember: this measures how much safety information exists. Thin data is not the same as being safe.

Lactobacillus acidophilus is generally well tolerated in healthy adults and children. Both L. acidophilus and Streptococcus thermophilus carry a small theoretical risk: because they're live organisms, they *could* cause serious infections (bacteremia, sepsis) in people with severely weakened immune systems or central lines (catheters).

In otherwise healthy people with intact immunity, this risk appears very low. A small number of trial participants taking L. acidophilus combinations reported mild gut side effects like bloating, gas, abdominal discomfort, or diarrhea; rash has been noted rarely.

For pregnancy, both L. acidophilus and S. thermophilus are rated possibly safe, but the safety data are limited — talk it over with your doctor or pharmacist before taking this during pregnancy or while breastfeeding.

Side effects, ingredient by ingredient Streptococcus Thermophilus Lactobacillus Acidophilus

Meds to double-check

Moderate interaction found
Known Interaction Concern · database check
Moderate identified

The most serious documented interaction for these ingredients is Moderate. Check your medications for a personalized result.

Why this rating?
  • 1 of the 2 matched ingredients can interact with medications — Lactobacillus Acidophilus.
  • The most serious interaction on file is rated Moderate.
  • For scale: 182 individual medications appear in the full list. A big number alone doesn't make a product dangerous — what matters is whether YOUR medication is on it, so run yours through the interaction checker on this page.

Before you start Flora-Q2, double-check with your doctor or pharmacist if you take antibiotic drugs — Lactobacillus acidophilus can lose effectiveness if you take them together, so you'll want to time doses several hours apart. We could not check two of the four ingredients for interactions, so mention this product to your pharmacist when you pick up any new prescriptions.

Check your own medication Run your meds through the checker above

The bottom line

Scorecard at a glanceFormula with limited ingredient disclosure with some supporting evidence for its stated purpose. Moderate medication interactions have been identified, and safety information is well characterized.

Flora-Q2 is a multi-strain probiotic that may help with conditions like IBS or antibiotic-linked diarrhea, though the evidence is stronger for some strains than others. If you take antibiotics, you'll need to space them apart from this product.

Anyone with a severely weakened immune system or a central line should check with their doctor first. Talk it over with your own doctor or pharmacist to see if this fits your needs and to confirm it won't interfere with any medications you take.

Educational only — not medical advice; always confirm with your pharmacist. Our editorial policy · How we use AI

Assessment coverage: 2 of 4 active ingredients matched to our full ingredient reviews (monographs). Based on the product label dated Dec 18, 2021.

This Scorecard evaluates available label information, ingredient evidence, and known medication-safety considerations. It does not independently verify product identity, purity, potency, contamination, or manufacturing quality. How these ratings are computed

At a glance

General information

Key facts about Flora-Q2, straight from the product label.

Brand PharmaDerm
Barcode (UPC) 010337-001-304
Net contents 30 Capsule(s)
Market status On market
Date entered into DSLD Dec 18, 2021
DSLD ID 263500
Product type Non-nutrient/non-botanical
Supplement form Capsule
Dietary claims / uses All Other, Structure/Function
Intended target group(s) Adult (18 - 50 Years), Gluten Free, Dairy Free
From the label
Everything in this section is reproduced from the manufacturer’s own product label — it’s the label speaking, not HelloPharmacist. We show it so you can see exactly what the maker states; we don’t verify or endorse those statements.

Supplement Facts

The label details for Flora-Q2 by PharmaDerm, sourced from the NIH Dietary Supplement Label Database.

Supplement Facts

Daily Value (DV) Target Group(s):
Adults and children 4 or more years of age
Minimum serving Sizes:
1 Capsule(s)
Maximum serving Sizes:
1 Capsule(s)
Servings per container
30
UPC/BARCODE
010337-001-304
IngredientAmount% DV
Lactobacillus paracasei0 NP--
Streptococcus thermophilus0 NP--
Lactobacillus acidophilus0 NP--
Proprietary Probiotic Blend375 mg--
Bifidobacterium0 NP--

Other ingredients: Maltodextrin, Microcrystalline Cellulose, Hypromellose, Sodium Alginate, Silicon Dioxide, Magnesium Stearate, Titanium Dioxide, FD&C Blue 2

Tap any ingredient to jump to its full detail below.

Label statements
These statements are the manufacturer’s wording, reproduced from the product label — the label is saying it, not HelloPharmacist. We don’t verify or endorse them.
Suggested/Recommended/Usage/Directions

Directions: Take 1 capsule per day

Storage

No refrigeration needed Store at room temperature (25 degrees C/77 degrees F) or below.

Precautions

Keep out of reach of children.

Do not use if seal on bottle is broken or missing.

General Statements

Please see product information sheet. List 10337-001-30

Formulation

Double strength

Gluten free This product is free of the following allergens: wheat/gluten, milk/lactose, eggs, fish, crustacean shellfish, soybeans, tree nuts, and peanuts. Contains no preservatives.

The probiotic species in Flora-Q2: Help maintain balance in the intestinal microflora. Support the colonization of intestinal microflora. Help support the modulation of intestinal microflora. Promote gastrointestinal health.

Formula

Unique blend of probiotic strains

FDA Statement of Identity

Dietary Supplement

FDA Disclaimer Statement

These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.

See for yourself

Flora-Q2 by PharmaDerm label

The label scan from the NIH Dietary Supplement Label Database. Tap to enlarge.

What’s inside

The Ingredients in Flora-Q2 by PharmaDerm

These are the 4 active ingredients this product is made of. Select any to open its full monograph.

Serving size1 Capsule(s) Dosage formCapsule Servings per container30 Amounts shown are per serving.

Most supplement products combine several ingredients, and a medication can interact with the product through any one of them. Each ingredient below shows whether it has known drug interactions.

Proprietary Probiotic Blend

375 mg per serving

Other (inactive) ingredients: Maltodextrin, Microcrystalline Cellulose, Hypromellose, Sodium Alginate, Silicon Dioxide, Magnesium Stearate, Titanium Dioxide, FD&C Blue 2. These complete the product’s ingredient list but are not active constituents.

Interaction report

Flora-Q2 by PharmaDerm Drug Interactions

Want to check YOUR meds against Flora-Q2?

Ask about interactions with your drugs in plain English — “Can I take it with lisinopril?” — and we find you the answer in seconds, ingredient by ingredient.

Go to the checker
182Drugs
182 Moderate

Ingredients driving the most interactions

Each ingredient & the kinds of drugs it affects

For each ingredient in Flora-Q2 with known interactions, here are the types of medications it can affect. Open any type for the detail — or search your exact drug in the checker above.

Lactobacillus acidophilus1 drug type · 182 drugs

Antibiotic Drugs

Theoretically, taking Lactobacillus acidophilus with antibiotic drugs might decrease the effectiveness of L. acidophilus.
L. acidophilus preparations usually contain live and active organisms. Therefore, simultaneously taking antibiotics might kill a significant number of the organisms. Tell patients to separate administration of antibiotics and L. acidophilus preparations by at least two hours.

Likelihood Probable Evidence D
The maker

Brand information

Manufacturer and brand details for Flora-Q2, from the product label.

PharmaDerm

See all PharmaDerm products
Name
PharmaDerm A division of Fougera Pharmaceuticals Inc.
City
Melville
State
NY
ZipCode
11747
Web Address
www.pharmaderm.com
Pharmacist Counseling Corner

Flora-Q2 by PharmaDerm: Common Questions

Does Flora-Q2 by PharmaDerm interact with any medications?
Yes. Based on its ingredients, Flora-Q2 has a known interaction with 182 medications. Use the checker to see how it interacts with a specific drug.
How can one product interact with so many drugs?
Flora-Q2 contains 4 active ingredients, and an interaction can come from any of them. We check every ingredient, combine the results into one list per medication, and show which ingredient and mechanism is responsible.
Where does this information come from?
The product label data comes from the NIH Dietary Supplement Label Database (DSLD); the interaction data is built on the Natural Medicines database and reviewed by HelloPharmacist pharmacists.
Can I take Flora-Q2 with my antibiotics?
Ideally, no — not at the same time. Antibiotics kill the live bacteria in the probiotic, so they can cancel each other out. Space them several hours apart: take your antibiotic at one time of day, and Flora-Q2 at a different time. Your pharmacist can help you work out a schedule that makes sense for your dosing.
Is this safe if I'm pregnant?
Both Lactobacillus acidophilus and Streptococcus thermophilus are rated possibly safe during pregnancy, but the safety data are limited. Talk with your doctor or pharmacist before starting it — they know your full picture and can advise you on whether it's right for you right now.
Will this help my IBS?
Lactobacillus acidophilus in this product is possibly effective for IBS, meaning some evidence suggests it may help — but the evidence isn't iron-clad. The other ingredients have insufficient evidence for IBS. It's worth discussing with your doctor to see if a trial makes sense for you.
What are these bacteria supposed to do?
They're probiotics — live beneficial bacteria that aim to support your gut health and digestion. L. acidophilus in particular is possibly effective for gut issues like diarrhea tied to antibiotics, IBS, and some bacterial infections. The evidence for the other strains in here is weaker.
Are there any fillers in this?
Yes — like most capsules, Flora-Q2 contains inactive ingredients including maltodextrin, cellulose, magnesium stearate, and a few others to hold the capsule together. If you have sensitivities to any of these, check the full ingredient list on the label.
Can this cause side effects?
Most people tolerate it fine. A small number may experience mild stomach symptoms like gas, bloating, or loose stool when they first start taking probiotics. Rash has been reported rarely. If you have a severely weakened immune system, talk to your doctor first — there's a theoretical risk of infection from live organisms, though it's very uncommon in healthy people.

Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy

Not sure if Flora-Q2 is safe with your meds?

Our pharmacists answer your medication & supplement questions — free.

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Label information is sourced from the NIH Dietary Supplement Label Database and reflects the product version on file; always read your actual product label. This page is for education only and is not a substitute for professional medical advice. Confirm with your pharmacist or doctor before combining supplements and medications.

Flora-Q2 label
Sources

Sources & How We Checked

Flora-Q2's label data comes from the NIH Dietary Supplement Label Database; the ingredient interaction data is from the Natural Medicines database, reviewed by our pharmacists.

Content is written and reviewed by licensed HelloPharmacist pharmacists. See our data sources and editorial standards for how this information is built and checked.

The 36 references behind this product’s interaction data

Every citation that drives the interaction findings for this product’s ingredients, from the evidence-graded Natural Medicines (TRC Healthcare) database. Open an ingredient to browse its citations — links open the study on PubMed or the publisher’s site.

Streptococcus Thermophilus 21 references
  1. Saxelin M, Chuang NH, Chassy B, et al. Lactobacilli and bacteremia in southern Finland 1989-1992. Clin Infect Dis 1996;22:564-6. PubMed
  2. Tynkkynen S, Singh KV, Varmanen P. Vancomycin resistance factor of Lactobacillus rhamnosus GG in relation to enterococcal vancomycin resistance (van) genes. Int J Food Microbiol 1998;41:195-204. PubMed
  3. Klein G, Zill E, Schindler R, et al. Peritonitis associated with vancomycin-resistant Lactobacillus rhamnosus in a continuous ambulatory peritoneal dialysis patient; organism identification, antibiotic therapy, and case report. J Clin Microbiol 1998;36:
  4. Kalima P, Masterton RG, Roddie PH, et al. Lactobacillus rhamnosus infection in a child following bone marrow transplant. J Infect 1996;32:165-7. PubMed
  5. Goldin BR. Health Benefits of probiotics. Br J Nutr 1998;80:S203-7. DOI
  6. Rautio M, Jousimies-Somer H, Kauma H, et al. Liver abscess due to Lactobacillus rhamnosus strain indistinguishable from L. rhamnosus strain GG. Clin Infect Dis 1999;28:1159-60.
  7. MacGregor G, Smith AJ, Thakker B, Kinsella J. Yoghurt biotherapy: contraindicated in immunosuppressed patients? Postgrad Med J 2002;78:366-7. PubMed
  8. Land MH, Rouster-Stevens K, Woods CR, et al. Lactobacillus sepsis associated with probiotic therapy. Pediatrics 2005;115:178-81.
  9. De Groote MA, Frank DN, Dowell E, et al. Lactobacillus rhamnosus GG bacteremia associated with probiotic use in a child with short gut syndrome. Pediatr Infect Dis J 2005;24:278-80. PubMed
  10. Vahabnezhad E, Mochon AB, Wozniak LJ, Ziring DA. Lactobacillus bacteremia associated with probiotic use in a pediatric patient with ulcerative colitis. J Clin Gastroenterol. 2013;47(5):437-9. PubMed
  11. Dolatkhah N, Hajifaraji M, Abbasalizadeh F, Aghamohammadzadeh N, Mehrabi Y, Abbasi MM. Is there a value for probiotic supplements in gestational diabetes mellitus? A randomized clinical trial. J Health Popul Nutr. 2015;33:25. PubMed
  12. Pruccoli G, Silvestro E, Pace Napoleone C, Aidala E, Garazzino S, Scolfaro C. Are probiotics safe? Bifidobacterium bacteremia in a child with severe heart failure. Infez Med. 2019;27(2):175-178.
  13. Sendil S, Shrimanker I, Mansoora Q, Goldman J, Nookala VK. Lactobacillus rhamnosus bacteremia in an immunocompromised renal transplant patient. Cureus. 2020;12(2):e6887. PubMed
  14. Albarillo FS, Shah U, Joyce C, Slade D. Lactobacillus rhamnosus Infection: A single-center 4-year descriptive analysis. J Glob Infect Dis. 2020;12(3):119-123. PubMed
  15. Pasala S, Singer L, Arshad T, Roach K. Lactobacillus endocarditis in a healthy patient with probiotic use. IDCases. 2020;22:e00915. PubMed
  16. Agrawal S, Tuchman ES, Bruce MJ, Theodorou ME. Fatal Lactobacillus endocarditis in a patient with transcatheter aortic valve replacement. BMJ Case Rep. 2020;13(11):e236835.
  17. Antoun M, Hattab Y, Akhrass FA, Hamilton LD. Uncommon pathogen, Lactobacillus, causing infective endocarditis: Case report and review. Case Rep Infect Dis. 2020;2020:8833948. PubMed
  18. Rossi F, Amadoro C, Gasperi M, Colavita G. Lactobacilli infection case reports in the last three years and safety implications. Nutrients. 2022;14(6):1178. PubMed
  19. Franko B, Vaillant M, Recule C, Vautrin E, et al. Lactobacillus paracasei endocarditis in a consumer of probiotics. Med Mal Infect. 2013;43(4):171-3. PubMed
  20. Campbell RE, Miller A, Afroze A. Native valve endocarditis secondary to Lactobacillus paracasei bacteremia. Consultant. 2020;60(9):27-8. DOI
  21. Kato K, Funabashi N, Takaoka H, et al. Lactobacillus paracasei endocarditis in a consumer of probiotics with advanced and severe bicuspid aortic valve stenosis complicated with diffuse left ventricular mid-layer fibrosis. Int J Cardiol. 2016;224:157-161. PubMed

See these in context on the Streptococcus Thermophilus monograph →

Lactobacillus Acidophilus 15 references
  1. Pierce A. The American Pharmaceutical Association Practical Guide to Natural Medicines. New York: The Stonesong Press, 1999:19.
  2. Begtrup LM, de Muckadell OB, Kjeldsen J, Christensen RD, Jarbøl DE. Long-term treatment with probiotics in primary care patients with irritable bowel syndrome--a randomised, double-blind, placebo controlled trial. Scand J Gastroenterol 2013;48(10):1127-35 PubMed
  3. Chatterjee S, Kar P, Das T, Ray S, Gangulyt S, Rajendiran C, Mitra M. Randomised placebo-controlled double blind multicentric trial on efficacy and safety of Lactobacillus acidophilus LA-5 and Bifidobacterium BB-12 for prevention of antibiotic-associated
  4. Shavakhi A, Tabesh E, Yaghoutkar A, Hashemi H, Tabesh F, Khodadoostan M,Minakari M, Shavakhi S, Gholamrezaei A. The effects of multistrain probiotic compound on bismuth-containing quadruple therapy for Helicobacter pylori infection: a randomized placebo-c
  5. Karamali M, Dadkhah F, Sadrkhanlou M, et al. Effects of probiotic supplementation on glycaemic control and lipid profiles in gestational diabetes: a randomized, double-blind, placebo-controlled trial. Diabetes Metab 2016;42(4):234-41. PubMed
  6. Badehnoosh B, Karamali M, Zarrati M, et al. The effects of probiotic supplementation on biomarkers of inflammation, oxidative stress and pregnancy outcomes in gestational diabetes. J Matern Fetal Neonatal Med. 2018 May;31(9):1128-1136.
  7. Kumar S, Kumar R, Rohilla L, Jacob N, Yadav J, Sachdeva N. A high potency multi-strain probiotic improves glycemic control in children with new-onset type 1 diabetes mellitus: A randomized, double-blind, and placebo-controlled pilot study. Pediatr Diabete
  8. Shahriari A, Karimi E, Shahriari M, Aslani N, Khooshideh M, Arab A. The effect of probiotic supplementation on the risk of gestational diabetes mellitus among high-risk pregnant women: A parallel double-blind, randomized, placebo-controlled clinical trial PubMed
  9. Xiao SD, Zhang DZ, Lu H, et al. Multicenter, randomized, controlled trial of heat-killed Lactobacillus acidophilus LB in patients with chronic diarrhea. Adv Ther. 2003;20(5):253-60.
  10. Rossi F, Amadoro C, Gasperi M, Colavita G. Lactobacilli infection case reports in the last three years and safety implications. Nutrients. 2022;14(6):1178. PubMed
  11. Ozer M, Goksu SY, Shahverdiani A, Mustafa M. Lactobacillus acidophilus-induced endocarditis and associated splenic abscess. Case Rep Infect Dis 2020;2020:1382709.
  12. Sadrin S, Sennoune S, Gout B, et al. A 2-strain mixture of Lactobacillus acidophilus in the treatment of irritable bowel syndrome: A placebo-controlled randomized clinical trial. Dig Liver Dis 2020;52(5):534-540. PubMed
  13. Stoffer JN, Slingsby TJ, Giuliari GP. Lactobacillus acidophilus endophthalmitis after intravitreal bevacizumab injection requiring intraocular lens explantation. Can J Ophthalmol 2022;57(1):e21-e22. PubMed
  14. Cukovic-Cavka S, Likic R, Francetic I, Rustemovic N, Opacic M, Vucelic B. Lactobacillus acidophilus as a cause of liver abscess in a NOD2/CARD15-positive patient with Crohn's disease. Digestion 2006;73(2-3):107-10.
  15. Hui J, Ren Y, Wang Y, Han Q. Lactobacillus acidophilus endophthalmitis postcataract operation: A case report with a literature review. Ocul Immunol Inflamm 2023.

See these in context on the Lactobacillus Acidophilus monograph →

Parts of this content are provided by the Therapeutic Research Center, LLC.

DISCLAIMER: Currently this does not check for drug-drug interactions. This is not an all-inclusive comprehensive list of potential interactions and is for informational purposes only. Not all interactions are known or well-reported in the scientific literature, and new interactions are continually being reported. Input is needed from a qualified healthcare provider including a pharmacist before starting any therapy. Application of clinical judgment is necessary.

© 2021 Therapeutic Research Center, LLC

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