Drug & supplement interaction

Gelatin + Tolazamide

Tolazamide brand name: Tolinase.

No Known Interaction
The bottom line No known interaction

We found no known interaction between Gelatin and Tolazamide in our sources. Absence of a documented interaction is not the same as proven safety, and does not guarantee one does not exist. Do not start, stop, or change a medication or supplement based on this page; confirm with your pharmacist or doctor first.

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Interaction report

Gelatin and Tolazamide

We checked these two against our interaction database. Here is what we found.

No Known Interaction Found

We did not find a documented interaction between Tolazamide and Gelatin in our sources. This does not guarantee that the combination is completely free of risk — there is often limited research on supplements and herbal products, especially around drug interactions.

Worth understanding: our licensed dataset holds no drug-interaction record for Gelatin at all — not against Tolazamide, and not against any other medication we track. This verdict therefore rests on the absence of any recorded data, not on research that looked at this combination and found nothing. We cannot rule an interaction out.

If you decide to take both, the practical routine is simple: add one new thing at a time and note the date you started it. If the combination is going to disagree with you, it usually shows in the first days to a couple of weeks — and a start date turns “I’ve been feeling off” into something a pharmacist can actually work with. Do not stop a prescribed medicine on your own.

Always talk with your pharmacist or doctor before making changes to your medications or supplements, particularly if you take several medications or have an ongoing health condition.

Gelatin safety at a glance

Gelatin overall Generally safe Gelatin is widely consumed as a food and is generally considered safe for most people.
Pregnancy Likely Safe When used orally in the amounts commonly found in foods. Read the full pregnancy detail
Breastfeeding Likely Safe When used orally in the amounts commonly found in foods. There is insufficient reliable information available about the safety of using larger amounts of gelati... Read the full breastfeeding detail

Pregnancy & breastfeeding ratings are from Natural Medicines (Therapeutic Research Center) — the full detail is in the Special populations card below. Safety guidance is general; always confirm with your pharmacist or doctor for your situation.

Still wondering about combining Tolazamide and Gelatin? Ask Dr. Brian Staiger, PharmD, BCPS directly ›
What to actually watch for

What Gelatin Itself Has Been Linked To

This is not an interaction — nothing below involves Tolazamide. It is the side-effect record for Gelatin on its own, from the licensed Natural Medicines monograph. If something new turns up after you add Gelatin, this list is the first place to look. 2 entries are worth acting on rather than waiting out — marked below.

  • A slow heartbeat / Wheezing / Kidney problems / A severe allergic reaction / Hives Worth acting on Additional detail

    “Gelatin can cause allergic reactions. Gelatin in foods can cause initial sensitization. Gelatin-containing medicines including oral medications, suppositories, vaccines, and injectable products can cause IgE-mediated allergic reactions, including urticaria, angioedema, wheezing, hypotension, and anaphylaxis.”

    Gelatin · Natural Medicines adverse-effect record, reported in hypotension.

    6 sources cited
    1. 7703. Schwick HG, Heide K. Immunochemistry and immunology of collagen and gelatin. Bibl Haematol 1969;33:111-25. PubMed
    2. 7708. Kelso JM. The gelatin story. J Allergy Clin Immunol 1999;103:200-2.
    3. 7709. Nakayama T, Aizawa C, Kuno-Sakai H. A clinical analysis of gelatin allergy and determination of its causal relationship to the previous administration of gelatin-containing acellular pertussis vaccine combined with diphtheria and tetanus toxoids. J Allerg PubMed
    4. 7710. Sakaguchi M, Inouye S. Anaphylaxis to gelatin-containing rectal suppositories. J Allergy Clin Immunol 2001;108:1033-4. PubMed
    5. 97633. Ventura Spagnolo E, Calapai G, Minciullo PL, Mannucci C, Asmundo A, Gangemi S. Lethal anaphylactic reaction to intravenous gelatin in the course of surgery. Am J Ther. 2016;23(6):e1344-e1346. PubMed
    6. 111345. Coury JR, Skaggs KF, Marciano GF, et al. Intraoperative Anaphylaxis to the Bovine Flowable Gelatin Matrix: A Report of 2 Cases. JBJS Case Connect 2022;12(1). PubMed
  • An allergic reaction Worth acting on Additional detail

    “Orally, gelatin seems to be well tolerated.

    Most Common Adverse Effects:

    Oral: Belching, bloating, and dyspepsia.

    Serious Adverse Effects (Rare):

    Injection: IgE-mediated allergic reactions, Kounis syndrome.”

    Gelatin · Natural Medicines adverse-effect record, reported in dyspepsia.

  • Bloating or gas / Stomach upset Additional detail

    “Orally, gelatin can cause unpleasant taste, sensation of heaviness in the stomach, bloating, dyspepsia, and belching.”

    Gelatin · Natural Medicines adverse-effect record, reported in dyspepsia.

    1 source cited
    1. 7704. Moskowitz RW. Role of collagen hydrolysate in bone and joint disease.Semin Arthritis Rheum 2000;30:87-99. PubMed
  • A fast or pounding heartbeat / Low blood pressure Additional detail

    Recorded for Gelatin in the same Natural Medicines adverse-effect record shown under A slow heartbeat / Wheezing / Kidney problems / A severe allergic reaction / Hives above.

Everything above comes from the Natural Medicines adverse-effect record for Gelatin — expand a row for the licensed statement it rests on. We haven’t matched Tolazamide to its FDA label in our system yet, so we can’t compare its own side-effect list here — the leaflet that comes with your prescription is the authoritative list for Tolazamide.

Special populations

Gelatin in Pregnancy & Breastfeeding

Pregnancy Likely Safe

When used orally in the amounts commonly found in foods.

Pregnancy Possibly Safe

When a specific type of gelatin from donkey hide, called colla corii asini, is used orally in doses of 10 grams daily for 6 weeks. Higher doses of 15 grams daily have been associated with an increased risk of inflammatory adverse effects, including sore throat, swollen gums, local eczema, and ulcers in the oral cavity. There is insufficient reliable information available about the safety of other types of gelatin when used during pregnancy in medicinal amounts.

Lactation Likely Safe

When used orally in the amounts commonly found in foods. There is insufficient reliable information available about the safety of using larger amounts of gelatin during lactation; avoid using.

DISCLAIMER: This tool is intended for informational purposes only, and should not be interpreted as specific medical advice. Patients should consult with a qualified healthcare provider before making decisions about therapies and/or health conditions.© 2026 Therapeutic Research Center

Everything else you take

See Every Supplement That Interacts With Tolazamide

This page covers Gelatin only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Tolazamide page lists 272 supplements it has a documented interaction with, worst first, each one explained.

The most serious there right now: Activated Charcoal (major), Siberian Cocklebur (major), Acai (moderate), African Wild Potato (moderate) and Agaricus Mushroom (moderate).

By severity: 2 major · 230 moderate · 40 minor.

From our pharmacist’s overview on the Tolazamide page

“Tolazamide (Tolinase) lowers blood sugar in type 2 diabetes, and I would handle its supplement list with care, because nearly everything listed can drag blood sugar lower still. Herbs and foods with glucose-lowering effects dominate the file, and stacked on a pill that already lowers glucose they raise the odds of hypoglycemia, blood s…”

Reviewed by 2 · Jul 18, 2026

Open the Tolazamide interaction page

One more smart check

Taking Gelatin as Part of a Dietary Supplement Product? Check It for Interactions

We hold 269 real supplement products containing Gelatin, each one broken down to its full ingredient list — and combination products often carry several ingredients besides Gelatin. Even though Gelatin itself has no known interaction with Tolazamide, another ingredient on your label might. Find your product and we’ll check every ingredient on its label:

How much people look this up

Where Gelatin and Tolazamide Sit Against Everything Else

Out of every supplement and medication people look up on HelloPharmacist, here is where these two land this week — and which way each has been moving.

Supplement Gelatin
Top half

#507 of 1,452 supplements looked up here in the last 7 days

29 days ago today
Medication Tolazamide
Top 25%

#587 of 2,830 medications looked up here in the last 7 days

29 days ago today

Position among everything looked up on this site, not a measure of how commonly either one is used or how important it is. A supplement can climb this list because of a news story. It counts every request to the page, automated ones included, and nothing here identifies anyone.

Where does our data come from?
  • Source: the Natural Medicines (TRC Healthcare) clinical database — the evidence-graded professional reference for herb & supplement interactions.
  • Citation library: 103,510 references behind our interaction content, 65,311 of them resolved to verified PubMed/DOI sources. See every Gelatin reference on this page ↓
  • Freshness: we automatically re-check this combination every week — this pair was last verified September 13, 2026. The Gelatin and Tolazamide records this page draws on were last updated July 11, 2026.
  • What “no known interaction” means: no documented interaction in the sources above — not a guarantee of safety. Supplements are studied far less than prescription drugs, so we say exactly what the evidence supports, and nothing more.
Data structure & sourcing designed and verified by .
Supplement

About Gelatin

What is Gelatin?

  • Joint and bone health
  • Skin, hair, and nail support
  • Source of dietary protein
  • Digestive comfort
  • Capsule shells for medicines and supplements

Gelatin is a protein made from animal collagen, used as a food, a capsule ingredient, and a supplement for joint, skin, and bone health. For most health uses, the evidence is limited or mixed, though it is generally safe as a food. If you have allergies, dietary restrictions, or a health condition, check with your pharmacist or doctor first.

Collagen derived from animal skin, bones, and connective tissue (usually pork or beef) · Powder, capsules, gummies, food products (Jell-O type desserts), and collagen/gelatin drinks

An interaction check asks whether these two react with each other — it does not ask whether Gelatin is a good idea for someone in your situation. Here is what our Gelatin record says about it on its own.

Gelatin: dosing

There is no official, standardized dose of gelatin for any health condition. The amount used in studies varies widely, and it is not clear what dose, if any, provides a health benefit.If you choose to use a gelatin supplement, follow the directions on the product label and do not exceed the recommended amount.

From our Gelatin monograph — the full record covers uses, side effects and every documented interaction.

Read the full Gelatin monograph & all interactions
Medication

About Tolazamide

What Is Tolazamide Used For?

Brand name: Tolinase

  • Tolazamide is used along with diet and exercise, and sometimes with other medications, to treat type 2 diabetes (condition in which the body does not use insulin normally and, therefore, cannot control the amount of sugar in the blood). Tolazamide is in a class of medications called sulfonylureas. Tolazamide lowers blood sugar by causing the pancreas to produce insulin (a natural substance that is needed to break down sugar in the body) and helping the body use insulin efficiently. This medication will only help lower blood sugar in people whose bodies produce insulin naturally. Tolazamide is not used to treat type 1 diabetes (condition in which the body does not produce insulin and, therefore, cannot control the amount of sugar in the blood) or diabetic ketoacidosis (a serious condition that may occur if high blood sugar is not treated).

  • Over time, people who have diabetes and high blood sugar can develop serious or life-threatening complications, including heart disease, stroke, kidney problems, nerve damage, and eye problems. Taking medication(s), making lifestyle changes (e.g., diet, exercise, quitting smoking), and regularly checking your blood sugar may help to manage your diabetes and improve your health. This therapy may also decrease your chances of having a heart attack, stroke, or other diabetes-related complications such as kidney failure, nerve damage (numb, cold legs or feet; decreased sexual ability in men and women), eye problems, including changes or loss of vision, or gum disease. Your doctor and other healthcare providers will talk to you about the best way to manage your diabetes.

See full Tolazamide drug information
Keep checking

Other Drugs & Gelatin

Browse every other medication we’ve checked against Gelatin — both the ones with a known interaction and the ones without. Select any drug for the full detail.

0Major
0Moderate
0Minor
2,829No known interaction
No interaction 2,829 drugs checked — show the list
Evidence & sources

Gelatin References

The 11 references that drive our Gelatin monograph and interaction data, from the evidence-graded Natural Medicines (TRC Healthcare) database. Citations with a link open the study on PubMed or the publisher’s site.

  1. Lewis CJ. Letter to reiterate certain public health and safety concerns to firms manufacturing or importing dietary supplements that contain specific bovine tissues. FDA. Available at: www.cfsan.fda.gov/~dms/dspltr05.html.
  2. Schwick HG, Heide K. Immunochemistry and immunology of collagen and gelatin. Bibl Haematol 1969;33:111-25. PubMed
  3. Moskowitz RW. Role of collagen hydrolysate in bone and joint disease.Semin Arthritis Rheum 2000;30:87-99. PubMed
  4. Kelso JM. The gelatin story. J Allergy Clin Immunol 1999;103:200-2.
  5. Nakayama T, Aizawa C, Kuno-Sakai H. A clinical analysis of gelatin allergy and determination of its causal relationship to the previous administration of gelatin-containing acellular pertussis vaccine combined with diphtheria and tetanus toxoids. J Allerg PubMed
  6. Sakaguchi M, Inouye S. Anaphylaxis to gelatin-containing rectal suppositories. J Allergy Clin Immunol 2001;108:1033-4. PubMed
  7. PDR Electronic Library. Montvale, NJ: Medical Economics Company, Inc., 2001.
  8. de la Fuente Tornero E, Vega Castro A, de Sierra Hernández PÁ, et al. Kounis syndrome during anesthesia: Presentation of indolent systemic mastocytosis: A case report. A Case Rep. 2017;8(9):226-228. PubMed
  9. Ventura Spagnolo E, Calapai G, Minciullo PL, Mannucci C, Asmundo A, Gangemi S. Lethal anaphylactic reaction to intravenous gelatin in the course of surgery. Am J Ther. 2016;23(6):e1344-e1346. PubMed
  10. Li Y, He H, Yang L, Li X, Li D, Luo S. Therapeutic effect of Colla corii asini on improving anemia and hemoglobin compositions in pregnant women with thalassemia. Int J Hematol. 2016;104(5):559-565. PubMed
  11. Coury JR, Skaggs KF, Marciano GF, et al. Intraoperative Anaphylaxis to the Bovine Flowable Gelatin Matrix: A Report of 2 Cases. JBJS Case Connect 2022;12(1). PubMed

Medication overviews come from MedlinePlus (NIH); supplement label data from the NIH Dietary Supplement Label Database. Content is written and reviewed by licensed HelloPharmacist pharmacists — see our data sources and editorial standards.

Pharmacist Counseling Corner

Taking Gelatin and Tolazamide Together: Common Questions

Is it safe to take Gelatin with Tolazamide?
We do not list a known interaction between Gelatin and Tolazamide. That does not guarantee the combination is risk-free, so confirm with your pharmacist or doctor — especially if you take other medications or have a health condition.
Does Tolazamide interact with any supplements?
Yes. Tolazamide has documented interactions with 272 supplements in our database — Gelatin is not one of them. The Tolazamide interaction page linked on this page lists every one, ranked by severity.

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

Still Have a Question About Tolazamide and Gelatin?

Our pharmacists answer your medication & supplement questions — free.

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This information is for education only and is not a substitute for professional medical advice. Always check with your pharmacist or doctor before starting, stopping, or combining supplements and medications.