Drug & supplement interaction

Picamilon + Diphenhydramine Hydrochloride, Naproxen Sodium

Diphenhydramine Hydrochloride, Naproxen Sodium brand name: Aleve PM.

No Known Interaction
The bottom line No known interaction

We found no known interaction between Picamilon and Diphenhydramine Hydrochloride, Naproxen Sodium 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 label for Diphenhydramine Hydrochloride, Naproxen Sodium states a food rule worth keeping to.

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Interaction report

Picamilon and Diphenhydramine Hydrochloride, Naproxen Sodium

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 Diphenhydramine Hydrochloride, Naproxen Sodium and Picamilon 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.

Picamilon safety at a glance

Picamilon overall Use caution Human safety data are limited and its legal status as a supplement is questionable in some countries.
Pregnancy Avoid No reliable safety data exist, so it should be avoided during pregnancy.
Breastfeeding Avoid No safety information is available, so avoid while breastfeeding.

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

Still wondering about combining Diphenhydramine Hydrochloride, Naproxen Sodium and Picamilon? Ask Dr. Brian Staiger, PharmD, BCPS directly ›
How we checked

Why No Interaction Is Listed for Diphenhydramine Hydrochloride, Naproxen Sodium

Interactions in our licensed database are recorded against drug classes, not just single drug names. Diphenhydramine Hydrochloride, Naproxen Sodium is filed under 14 classifications — including nonsteroidal anti-inflammatory drugs (nsaids), cytochrome p450 2c9 (cyp2c9) substrates, anticoagulant/antiplatelet drugs. Picamilon has documented interactions with 1 drug class — the most serious being niacin (moderate) — and none of Diphenhydramine Hydrochloride, Naproxen Sodium’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

Picamilon Does Interact With Other Medications

Picamilon has 3 moderate known drug interactions in our database — Diphenhydramine Hydrochloride, Naproxen Sodium 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 Picamilon

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

How to take them

Some Diphenhydramine Hydrochloride, Naproxen Sodium Products Have a Food Rule — Picamilon Should Not Break It

At least one FDA label for a product containing Diphenhydramine Hydrochloride, Naproxen Sodium says to take it with food. If you take Picamilon on an empty stomach out of habit, keep them separate — and take Diphenhydramine Hydrochloride, Naproxen Sodium with a meal where the label says to.

This may not be true of your version. Food instructions belong to the product, not the ingredient: two Diphenhydramine Hydrochloride, Naproxen Sodium products can carry different directions, and extended-release forms often differ from immediate-release ones. The label we read is quoted below — check the directions on your own box or bottle, or ask your pharmacist, for how to take the exact product you were given.

Directions • do not take more than directed • drink a full glass of water with each dose • adults and children 12 years and over: take 2 caplets at bedtime • do not take more than 2 caplets in 24 hours • if taken with food, this product may take longer to work

From the Dosage and Administration section of the FDA label we read for Diphenhydramine Hydrochloride, Naproxen Sodium — where that label names a specific product, the instruction is that product's.

A food rule is not an interaction — it is about how much of the medicine you absorb. The directions that came with your own product, and your pharmacist, outrank anything on this page.

Everything else you take

See Every Supplement That Interacts With Diphenhydramine Hydrochloride, Naproxen Sodium

This page covers Picamilon only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Diphenhydramine Hydrochloride, Naproxen Sodium page lists 378 supplements it has a documented interaction with, worst first, each one explained.

The most serious there right now: 1,4-butanediol (major), Activated Charcoal (major), Asarabacca (major), Beer (major) and Danshen (major).

By severity: 13 major · 320 moderate · 45 minor.

From our pharmacist’s overview on the Diphenhydramine Hydrochloride, Naproxen Sodium page

“Aleve PM combines naproxen, an NSAID, with the sedating antihistamine diphenhydramine, and its supplement list earns genuine care rather than a quick skim. Thirteen of the 378 ingredients on file rate major, and the two largest themes track the pill's two halves.”

Reviewed by 2 · Jul 18, 2026

Open the Diphenhydramine Hydrochloride, Naproxen Sodium interaction page

One more smart check

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

We hold 135 real supplement products containing Picamilon, each one broken down to its full ingredient list — and combination products often carry several ingredients besides Picamilon. Even though Picamilon itself has no known interaction with Diphenhydramine Hydrochloride, Naproxen Sodium, 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 Picamilon and Diphenhydramine Hydrochloride, Naproxen Sodium 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 Picamilon
Top half

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

29 days ago today
Medication Diphenhydramine Hydrochloride, Naproxen Sodium
Steady interest

#1,534 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 Picamilon reference on this page ↓
  • Freshness: we automatically re-check this combination every week — this pair was last verified September 20, 2026. The Picamilon and Diphenhydramine Hydrochloride, Naproxen Sodium records this page draws on were last updated June 22, 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 Picamilon

What is Picamilon?

  • Anxiety and stress
  • Mental focus and cognition
  • Low mood
  • Migraine or headache
  • Fatigue and energy

Picamilon is a synthetic compound made by joining niacin (vitamin B3) and GABA, originally developed in the former Soviet Union as a prescription drug. It is sold in some countries as a supplement for anxiety, focus, and mood, but high-quality human evidence is very limited, and U.S. regulators have stated it does not qualify as a legal dietary supplement ingredient. Talk to a pharmacist or doctor before using it.

Synthetic compound (not from a plant) · Capsules, tablets, powder

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

Picamilon: dosing

There is no officially established or standardized dose of picamilon for supplement use, and quality control of products is uncertain.If a product is available to you, follow the directions on the label and do not exceed them.

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

Read the full Picamilon monograph & all interactions
Keep checking

Other Drugs & Picamilon

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

0Major
3Moderate
0Minor
2,826No known interaction
Moderate

3 interactions

No interaction 2,826 drugs checked — show the list
Evidence & sources

Picamilon References

The 3 references that drive our Picamilon 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. Avula B, Chittiboyina AG, Sagi S, et al. Identification and quantification of vinpocetine and picamilon in dietary supplements sold in the United States. Drug Test Anal. 2016;8(3-4):334-43. PubMed
  2. Vishnevskii EL, Guseva NB. Validation of the treatment of the neurogenic bladder in children with myelodysplasia using pikamilon [abstract only]. Urol Nefrol (Mosk) 1998;(2):27-30.
  3. Kolomoitseva EM, Ermakova VN, Abdulkadyrova MZh. Results of pikamilon use in the treatment of patients with open-angle glaucoma [abstract only]. Vestn Oftalmol 1994;110(4):4-7.

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 Picamilon and Diphenhydramine Hydrochloride, Naproxen Sodium Together: Common Questions

Is it safe to take Picamilon with Diphenhydramine Hydrochloride, Naproxen Sodium?
We do not list a known interaction between Picamilon and Diphenhydramine Hydrochloride, Naproxen Sodium. 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.
Should I take Picamilon and Diphenhydramine Hydrochloride, Naproxen Sodium at the same time of day?
At least one FDA label for a product containing Diphenhydramine Hydrochloride, Naproxen Sodium says to take it with food. If you take Picamilon on an empty stomach out of habit, keep them separate and take Diphenhydramine Hydrochloride, Naproxen Sodium with a meal where the label says to. Food instructions belong to the product rather than the ingredient — two Diphenhydramine Hydrochloride, Naproxen Sodium products can differ — so check the directions on your own box. This is about absorption, not an interaction.
How was the Picamilon and Diphenhydramine Hydrochloride, Naproxen Sodium combination checked?
Interactions in our licensed database are recorded against drug classes. Diphenhydramine Hydrochloride, Naproxen Sodium is filed under 14 classifications, and Picamilon has documented interactions with 1 drug class — none of Diphenhydramine Hydrochloride, Naproxen Sodium'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 Picamilon interact with any other medications?
Yes. Picamilon has 3 documented drug interactions in our database — Diphenhydramine Hydrochloride, Naproxen Sodium 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 Diphenhydramine Hydrochloride, Naproxen Sodium interact with any supplements?
Yes. Diphenhydramine Hydrochloride, Naproxen Sodium has documented interactions with 378 supplements in our database — Picamilon is not one of them. The Diphenhydramine Hydrochloride, Naproxen Sodium 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 Diphenhydramine Hydrochloride, Naproxen Sodium and Picamilon?

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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.