Drug & supplement interaction

Lipase + Melphalan

Melphalan brand names: Alkeran, Hepzato.

No Known Interaction
Medically reviewed by · Updated July 2026 · Pair last verified Sep 20, 2026
The bottom line No known interaction

We found no known interaction between Lipase and Melphalan 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. Additionally, although there is no interaction, the two are separately associated with some of the same side effects, which would make a new symptom harder to attribute to one or the other.

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Interaction report

Lipase and Melphalan

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 Melphalan and Lipase 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 Lipase at all — not against Melphalan, 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.

Lipase safety at a glance

Lipase overall Use caution Generally well tolerated in supplement form, but people with serious digestive conditions should use it only under medical guidance.
Pregnancy Use caution There is little safety data on supplemental lipase in pregnancy, so use only if advised by your doctor.
Breastfeeding Use caution Safety while breastfeeding has not been well studied, so check with your healthcare provider first.

Safety guidance is general; always confirm with your pharmacist or doctor for your situation.

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

No Interaction Found — But Data Suggests Lipase and Melphalan May Share Several of the Same Side Effects

This is not an interaction. Neither one changes how your body handles the other, and nothing here says they react together. What our sources do show is that each has separately been linked to the effects below — so taking both can make those effects more likely to turn up, and harder to pin on one or the other if they do.

  • Constipation / Stomach pain / Vomiting Additional detail

    Lipase

    “Orally, when added to the formula or pasteurized breast milk consumed by premature infants, recombinant human bile salt-stimulated lipase (rhBSSL) can cause gastrointestinal adverse effects, including abdominal distension, flatulence, constipation, colic, abdominal pain, gastroenteritis, vomiting, regurgitation, and rectal bleeding.”

    Lipase · Natural Medicines adverse-effect record, reported in constipation.

    1 source cited
    1. 101940. Casper C, Hascoet JM, Ertl T, et al. Recombinant bile salt-stimulated lipase in preterm infant feeding: A randomized phase 3 study. PLoS One. 2016;11(5):e0156071. PubMed

    Melphalan

    Listed in the ADVERSE REACTIONS section of the FDA label for Melphalan. Read the label on DailyMed ›

Reported for Lipase but not commonly for Melphalan: bloating or gas and bleeding or bruising.

Effects for Melphalan come from the ADVERSE REACTIONS section of its FDA label; effects for Lipase come from the Natural Medicines adverse-effect record, quoted above. Wording is matched across sources by our own clinical vocabulary, so treat this as a prompt to pay attention, not a diagnosis.

Everything else you take

See Every Supplement That Interacts With Melphalan

This page covers Lipase only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Melphalan page lists 25 supplements it has a documented interaction with, worst first, each one explained.

The most serious there right now: Activated Charcoal (major), Acerola (moderate), Alpha-lipoic Acid (moderate), Coenzyme Q10 (moderate) and Coffee Charcoal (moderate).

By severity: 1 major · 14 moderate · 10 minor.

From our pharmacist’s overview on the Melphalan page

“Melphalan is chemotherapy, most often given for multiple myeloma, and anything that weakens it can cost real ground against the cancer, so treat this list with genuine care. The one major entry is activated charcoal, which soaks up drugs in the gut and can lower melphalan exposure even when the drug is given by IV.”

Reviewed by 2 · Jul 18, 2026

Open the Melphalan interaction page

One more smart check

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

We hold 6,058 real supplement products containing Lipase, each one broken down to its full ingredient list — and combination products often carry several ingredients besides Lipase. Even though Lipase itself has no known interaction with Melphalan, 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 Lipase and Melphalan 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 Lipase
Top 5%

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

29 days ago today
Medication Melphalan
Top half

#845 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 Lipase reference on this page ↓
  • Freshness: we automatically re-check this combination every week — this pair was last verified September 20, 2026. The Lipase and Melphalan records this page draws on were last updated July 10, 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 Lipase

What is Lipase?

  • Digestive support
  • Bloating and gas
  • Fat digestion
  • Pancreatic enzyme insufficiency
  • Indigestion after fatty meals

Lipase is a digestive enzyme that helps your body break down dietary fats. It is well established as part of prescription pancreatic enzyme therapy for people who cannot make enough of their own, but over-the-counter lipase supplements for everyday digestion or weight loss have much weaker evidence. Talk with your pharmacist or doctor before using it, especially if you have a known digestive condition.

Enzyme derived from animal (pancreatic) sources, fungi (such as Aspergillus), or plants · Capsules, tablets, powders, and combination digestive enzyme blends

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

Lipase: dosing

There is no single standardized dose of lipase for general digestive support, and the right amount depends on the product, its source, and why you are taking it. Lipase strength is often measured in units of enzyme activity rather than milligrams, which can make products hard to compare.For everyday use, follow the directions on the product label, since enzyme supplements are usually taken with or just before meals. Do not assume more is better.If you have a medical condition that affects your pancreas, your doctor will prescribe a specific dose of pancreatic enzymes tailored to you—do not try to self-treat these conditions with over-the-counter products.

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

Read the full Lipase monograph & all interactions
Medication

About Melphalan

What Is Melphalan Used For?

Brand names: Alkeran, Hepzato

Melphalan is used to treat multiple myeloma, a cancer of plasma cells in the bone marrow. Different products are approved for different roles in that treatment.

Evomela (intravenous injection) is used as a high-dose conditioning treatment — meaning it prepares the body before a stem cell transplant. Ivra (intravenous injection) is used for palliative treatment of multiple myeloma in patients for whom oral therapy is not appropriate. Oral melphalan (Alkeran tablet) is also used for palliative treatment of multiple myeloma.

See full Melphalan drug information
Keep checking

Other Drugs & Lipase

Browse every other medication we’ve checked against Lipase — 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
2,829 No interaction
No interaction 2,829 drugs checked — show the list

We also checked Lipase against these medications and found no known interaction in our sources. Open any page to confirm.

Showing the 60 most looked-up of 2,829 medications checked with no known interaction — see the full Lipase list.

See the full Lipase interactions page
See every supplement checked against Melphalan, ranked by severity
Evidence & sources

Lipase References

The 1 references that drive our Lipase 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. Casper C, Hascoet JM, Ertl T, et al. Recombinant bile salt-stimulated lipase in preterm infant feeding: A randomized phase 3 study. PLoS One. 2016;11(5):e0156071. 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 Lipase and Melphalan Together: Common Questions

Is it safe to take Lipase with Melphalan?
We do not list a known interaction between Lipase and Melphalan. 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.
Do Lipase and Melphalan have any of the same side effects?
Yes — our sources link each of them separately to 3 of the same effects. That is not an interaction: neither changes how your body handles the other. It does mean that if one of those effects turns up, it can be harder to tell which one is behind it. They are listed on this page with the source behind each.
Does Melphalan interact with any supplements?
Yes. Melphalan has documented interactions with 25 supplements in our database — Lipase is not one of them. The Melphalan interaction page linked on this page lists every one, ranked by severity.

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

Where next

Keep Exploring

Lipase monograph Uses, safety profile, and every drug interaction in one place Melphalan drug information The full plain-English guide to this medication Melphalan supplement interactions Every supplement checked against Melphalan, ranked by severity Supplement interaction checker Check any supplement or product against your medications Browse medications A–Z Every drug we’ve checked against herbs & supplements References The 1 citations behind this page Ask a pharmacist Free, personal answer from our licensed team

Still Have a Question About Melphalan and Lipase?

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.