Drug & supplement interaction

Lysine + Aripiprazole Lauroxil

Aripiprazole Lauroxil brand names: Aristada, Aristada Initio Kit.

No Known Interaction
The bottom line No known interaction

We found no known interaction between Lysine and Aripiprazole Lauroxil 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.

Know someone taking this? Share
Interaction report

Lysine and Aripiprazole Lauroxil

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 Aripiprazole Lauroxil and Lysine 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.

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.

Lysine safety at a glance

Lysine overall Use caution Generally well tolerated at typical doses, but high amounts may cause stomach upset and long-term safety is not well studied.
Pregnancy Use caution Lysine from food is fine, but supplement safety in pregnancy is not well studied, so check with your doctor first.
Breastfeeding Use caution There is not enough reliable information on supplement use while breastfeeding, so caution is advised.

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

Still wondering about combining Aripiprazole Lauroxil and Lysine? Ask Dr. Brian Staiger, PharmD, BCPS directly ›
How we checked

Why No Interaction Is Listed for Aripiprazole Lauroxil

Interactions in our licensed database are recorded against drug classes, not just single drug names. Aripiprazole Lauroxil is filed under 10 classifications — including alpha-adrenergic antagonists, antipsychotic drugs, qt interval-prolonging drugs. Lysine has documented interactions with 1 drug class — the most serious being 5-ht4 agonists (minor) — and none of Aripiprazole Lauroxil’s classifications are among them.

Classification data comes from our licensed Natural Medicines dataset. A medication can belong to classes beyond those recorded there, so this describes how the check was run — it is not a safety guarantee.

Keep it in perspective

Lysine Does Interact With Other Medications

Lysine has 1 minor known drug interaction in our database — Aripiprazole Lauroxil isn’t one of them. If you take anything else, check it against the full list below.

Taking anything else?

Check Another of Your Medications Against Lysine

Covers the 2,830 medications we’ve checked against Lysine. Pick one to open its full report.

What to actually watch for

No Interaction Found — But Data Suggests Lysine and Aripiprazole Lauroxil 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.

  • Stomach upset / Diarrhea Additional detail

    Lysine

    “Orally, lysine has been reported to cause diarrhea and abdominal pain, including dyspepsia.”

    Lysine · Natural Medicines adverse-effect record, reported in diarrhea.

    5 sources cited
    1. 1114. Thein DJ, Hurt WC. Lysine as a prophylactic agent in the treatment of recurrent herpes simplex labialis. Oral Surg Oral Med Oral Pathol 1984;58:659-66. PubMed
    2. 1115. McCune MA, Perry HO, Muller SA, O'Fallon WM. Treatment of recurrent herpes simplex infections with L-lysine monohydrochloride. Cutis 1984;34:366-73.
    3. 1116. DiGiovanna JJ, Blank H. Failure of lysine in frequently recurrent herpes simplex infection. Treatment and prophylaxis. Arch Dermatol 1984;120:48-51. DOI
    4. 1118. Milman N, Scheibel J, Jessen O. Lysine prophylaxis in recurrent herpes simplex labialis: a double-blind, controlled crossover study. Acta Derm Venereol 1980;60:85-7.
    5. 1120. Griffith RS, Walsh DE, Myrmel KH, et al. Success of L-lysine therapy in frequently recurrent herpes simplex infection. Treatment and prophylaxis. Dermatologica 1987;175:183-90. DOI

    Aripiprazole Lauroxil

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

Reported for Lysine but not commonly for Aripiprazole Lauroxil: stomach pain and kidney problems.

Effects for Aripiprazole Lauroxil come from the ADVERSE REACTIONS section of its FDA label; effects for Lysine 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.

Overlapping uses

What Aripiprazole Lauroxil Is Prescribed For, and What Lysine Has Been Studied For

These two come up together because they touch the same health topic — not because they do the same job. Aripiprazole Lauroxil is a prescription medicine with approved uses on its FDA label. Lysine is a supplement: what follows is what researchers have looked at it for, and how strong that evidence is.

Aripiprazole Lauroxil is prescribed for: Abilify Asimtufii is used for adults with schizophrenia. It is also used as maintenance monotherapy (used alone, to keep symptoms controlled) for bipolar I disorder in adults. Aristada is given by injection too, and its label describes dosing for people with aripiprazole-treated schizophrenia. Aristada Initio is used to start Aristada treatment.

Lysine has been studied for:

  • Schizophrenia studied, not established Lysine has been studied for this. Natural Medicines rates the evidence: Insufficient Reliable Evidence To Rate Read what the research shows

    Lysine for schizophrenia

    Large doses of oral lysine seem to improve schizophrenia symptoms in patients taking antipsychotic medications.

Effectiveness ratings and the research summaries above are the verbatim record from the Natural Medicines database, which grades evidence from “Effective” down to “Insufficient Reliable Evidence To Rate”. A rating below the top of that scale means researchers have looked at it — not that it works, and never that it can stand in for a prescribed medicine. Do not stop or replace Aripiprazole Lauroxil on your own; if you are taking Lysine for the same health topic, tell your prescriber, especially if the medicine is being adjusted to a target.

Everything else you take

See Every Supplement That Interacts With Aripiprazole Lauroxil

This page covers Lysine only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Aripiprazole Lauroxil page lists 233 supplements it has a documented interaction with, worst first, each one explained.

The most serious there right now: 1,4-butanediol (major), American Hellebore (major), Arsenic (major), Beer (major) and Cesium (major).

By severity: 16 major · 187 moderate · 30 minor.

From our pharmacist’s overview on the Aripiprazole Lauroxil page

“Aripiprazole lauroxil (Aristada) is a long-acting antipsychotic injection, and because each dose keeps working for weeks, a bad supplement pairing cannot be undone by skipping a pill. So the 16 major-rated entries among its 233 interactions on file deserve to be understood first.”

Reviewed by 2 · Jul 18, 2026

Open the Aripiprazole Lauroxil interaction page

One more smart check

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

We hold 3,540 real supplement products containing Lysine, each one broken down to its full ingredient list — and combination products often carry several ingredients besides Lysine. Even though Lysine itself has no known interaction with Aripiprazole Lauroxil, 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 Lysine and Aripiprazole Lauroxil 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 Lysine
Top 10%

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

29 days ago today
Medication Aripiprazole Lauroxil
Top 25%

#688 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 Lysine reference on this page ↓
  • Freshness: we automatically re-check this combination every week — this pair was last verified September 27, 2026. The Lysine and Aripiprazole Lauroxil 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 Lysine

What is Lysine?

  • Cold sores (herpes labialis)
  • Genital herpes outbreaks
  • Supporting protein and collagen formation
  • Calcium absorption support
  • General nutritional supplement

Lysine is an essential amino acid your body cannot make on its own, so it must come from food or supplements. People most often take extra lysine to try to prevent or shorten cold sores, but the evidence is mixed and far from conclusive. For most healthy people who eat enough protein, supplements are likely unnecessary, but they are generally considered low-risk at typical doses.

Amino acid (L-lysine) · Tablets, capsules, powder, topical creams (often combined with other ingredients)

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

Lysine: dosing

There is no single official supplement dose of lysine for any health condition, and a truly standardized dose has not been established for uses like cold sores. Products vary widely in how much they contain.The best approach is to follow the directions on the product label and not exceed the recommended amount.

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

Read the full Lysine monograph & all interactions
Medication

About Aripiprazole Injection

What Is Aripiprazole Injection Used For?

Brand names: Aristada, Aristada Initio Kit

Abilify Asimtufii is used for adults with schizophrenia. It is also used as maintenance monotherapy (used alone, to keep symptoms controlled) for bipolar I disorder in adults.

Aristada is given by injection too, and its label describes dosing for people with aripiprazole-treated schizophrenia. Aristada Initio is used to start Aristada treatment.

See full Aripiprazole Injection drug information
Keep checking

Other Drugs & Lysine

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

0Major
0Moderate
1Minor
2,828No known interaction
Minor

1 interaction

No interaction 2,828 drugs checked — show the list
Evidence & sources

Lysine References

The 7 references that drive our Lysine 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. Thein DJ, Hurt WC. Lysine as a prophylactic agent in the treatment of recurrent herpes simplex labialis. Oral Surg Oral Med Oral Pathol 1984;58:659-66. PubMed
  2. McCune MA, Perry HO, Muller SA, O'Fallon WM. Treatment of recurrent herpes simplex infections with L-lysine monohydrochloride. Cutis 1984;34:366-73.
  3. DiGiovanna JJ, Blank H. Failure of lysine in frequently recurrent herpes simplex infection. Treatment and prophylaxis. Arch Dermatol 1984;120:48-51. DOI
  4. Milman N, Scheibel J, Jessen O. Lysine prophylaxis in recurrent herpes simplex labialis: a double-blind, controlled crossover study. Acta Derm Venereol 1980;60:85-7.
  5. Griffith RS, Walsh DE, Myrmel KH, et al. Success of L-lysine therapy in frequently recurrent herpes simplex infection. Treatment and prophylaxis. Dermatologica 1987;175:183-90. DOI
  6. Lo JC, Chertow GM, Rennke H, Seifter JL. Fanconi's syndrome and tubulointerstitial nephritis in association with L-lysine ingestion. Am J Kidney Dis 1996;28:614-7. PubMed
  7. Smriga M, Torii K. L-Lysine acts like a partial serotonin receptor 4 antagonist and inhibits serotonin-mediated intestinal pathologies and anxiety in rats. Proc Natl Acad Sci U S A. 2003 Dec 23;100(26):15370-5.

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 Lysine and Aripiprazole Lauroxil Together: Common Questions

Is it safe to take Lysine with Aripiprazole Lauroxil?
We do not list a known interaction between Lysine and Aripiprazole Lauroxil. 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 Lysine and Aripiprazole Lauroxil have any of the same side effects?
Yes — our sources link each of them separately to 2 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.
Are Lysine and Aripiprazole Lauroxil used for the same thing?
They overlap in purpose, which usually means the real question is whether you need both rather than whether they are safe together. This page lists the shared uses and how strong the evidence is for Lysine in each. That is a conversation for your prescriber, especially if Aripiprazole Lauroxil is being adjusted to a target.
How was the Lysine and Aripiprazole Lauroxil combination checked?
Interactions in our licensed database are recorded against drug classes. Aripiprazole Lauroxil is filed under 10 classifications, and Lysine has documented interactions with 1 drug class — none of Aripiprazole Lauroxil's classifications are among them. A medication can belong to classes beyond those recorded in our dataset, so this describes how the check was run rather than guaranteeing safety.
Does Lysine interact with any other medications?
Yes. Lysine has 1 documented drug interaction in our database — Aripiprazole Lauroxil is simply not one of them. If you take anything else, it is worth checking each one; they are all listed on this page.
Does Aripiprazole Lauroxil interact with any supplements?
Yes. Aripiprazole Lauroxil has documented interactions with 233 supplements in our database — Lysine is not one of them. The Aripiprazole Lauroxil 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 Aripiprazole Lauroxil and Lysine?

Our pharmacists answer your medication & supplement questions — free.

Ask a pharmacist

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.