Drug & supplement interaction

Shirodhara + Nisoldipine

Nisoldipine brand name: Sular.

No Known Interaction
The bottom line No known interaction

We found no known interaction between Shirodhara and Nisoldipine 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 Nisoldipine states a food rule worth keeping to.

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Interaction report

Shirodhara and Nisoldipine

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 Nisoldipine and Shirodhara 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 Shirodhara at all — not against Nisoldipine, 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.

Shirodhara safety at a glance

Shirodhara overall Use caution Generally well tolerated when performed by a trained practitioner, but evidence and standardization are limited.
Pregnancy Use caution Limited safety data; consult your doctor and use only experienced practitioners if at all.
Breastfeeding Use caution No reliable safety data; talk to your healthcare provider before trying it.

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

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

What Nisoldipine’s Own FDA Label Lists

This is not an interaction — none of it involves Shirodhara. These are the most notable effects listed in the ADVERSE REACTIONS section of Nisoldipine’s own FDA label, for the medication by itself. Knowing the drug’s own list makes it easier to work out the likely cause if something new turns up while you take both. 10 of them are worth acting on rather than waiting out — marked below.

  • Loss of vision Worth acting on
  • A stroke or mini-stroke Worth acting on
  • Pain or burning when passing urine Worth acting on
  • Memory problems Worth acting on
  • Trouble swallowing Worth acting on
  • Unsteadiness Worth acting on
  • Low potassium Worth acting on
  • A heart attack Worth acting on
  • Heart failure Worth acting on
  • High blood sugar Worth acting on

Showing the 10 most notable of 69 label-listed effects — ranked by how unusual each one is across medicines generally, with serious effects weighted up.

From the ADVERSE REACTIONS section of the FDA label for Nisoldipine. Read the label on DailyMed › Where a percentage is shown, it is the share of 1,196 voluntary FDA FAERS reports for Nisoldipine that mention that effect — a reporting proportion, not an incidence rate and not evidence the drug caused it. Shirodhara’s licensed record lists no adverse effects our clinical vocabulary could match, so there is no Shirodhara side to compare — that is a limit of the record, not a statement that Shirodhara has no side effects.

How to take them

Some Nisoldipine Products Have a Food Rule — Shirodhara Should Not Break It

At least one FDA label for a product containing Nisoldipine says to take it on an empty stomach. Most supplements — Shirodhara included — are taken with a meal, so the easy mistake is swallowing both together at breakfast. Where that rule applies, keep Nisoldipine on its own and move Shirodhara to a meal later in the day.

This may not be true of your version. Food instructions belong to the product, not the ingredient: two Nisoldipine 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.

SULAR should be taken on an empty stomach (1 hour before or 2 hours after a meal).

From the Dosage and Administration section of the FDA label we read for Nisoldipine — where that label names a specific product, the instruction is that product's. Read the label on DailyMed ›

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.

Overlapping uses

What Nisoldipine Is Prescribed For, and What Shirodhara Has Been Studied For

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

Nisoldipine is prescribed for: Nisoldipine is used to treat high blood pressure (hypertension). Sular and nisoldipine extended-release tablets are both approved for this use. It can be taken by itself or together with other blood pressure medicines.

Shirodhara has been studied for:

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

    Shirodhara for hypertension

    It is unclear if shirodhara is beneficial in patients with hypertension.

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 Nisoldipine on your own; if you are taking Shirodhara 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 Nisoldipine

This page covers Shirodhara only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Nisoldipine page lists 232 supplements it has a documented interaction with, worst first, each one explained.

The most serious there right now: Activated Charcoal (major), American Hellebore (major), American Mistletoe (major), Coleus (major) and Grapefruit (major).

By severity: 7 major · 183 moderate · 42 minor.

From our pharmacist’s overview on the Nisoldipine page

“Nisoldipine (Sular) lowers blood pressure by relaxing blood vessels, and the liver enzyme CYP3A4 controls how fast the body clears it, which is why this list warrants real vigilance. Grapefruit can drive nisoldipine levels up, while St.”

Reviewed by 2 · Jul 18, 2026

Open the Nisoldipine interaction page

How much people look this up

Where Shirodhara and Nisoldipine 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 Shirodhara
Steady interest

#1,364 of 1,452 supplements looked up here in the last 7 days

29 days ago today
Medication Nisoldipine
Top 25%

#469 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. Shirodhara is not yet covered by that licensed database, so its write-up cites publicly available medical sources directly (see the references below).
  • Citation library: 103,510 references behind our interaction content, 65,311 of them resolved to verified PubMed/DOI sources. See every Shirodhara reference on this page ↓
  • Freshness: we automatically re-check this combination every week — this pair was last verified September 27, 2026. The Shirodhara and Nisoldipine 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 Shirodhara

What is Shirodhara?

  • Stress and anxiety
  • Insomnia and poor sleep
  • Headache and tension
  • Mental fatigue
  • General relaxation

Shirodhara is an Ayurvedic relaxation therapy in which a steady stream of warm oil or other liquid is poured over the forehead. Many people find it deeply relaxing, and limited research suggests it may help with stress and sleep, but high-quality evidence is lacking. It is generally low-risk when done by a trained practitioner, though people with certain skin or scalp conditions and pregnant women should be cautious.

Warm herbal oils, medicated milk, buttermilk, or water poured over the forehead · Ayurvedic spa or clinical therapy using medicated oils (often sesame oil-based) or other liquids

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

Shirodhara: dosing

There is no standardized "dose" for Shirodhara, since it is a therapy rather than a supplement you take. The length of a session, the type of oil, the temperature, and how many sessions are recommended can vary widely between practitioners and traditions.If you choose to try Shirodhara, go to a qualified, experienced practitioner, follow their guidance, and discuss any health conditions or allergies beforehand.

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

Read the full Shirodhara monograph & all interactions
Medication

About Nisoldipine

What Is Nisoldipine Used For?

Brand name: Sular

Nisoldipine is used to treat high blood pressure (hypertension). Sular and nisoldipine extended-release tablets are both approved for this use.

It can be taken by itself or together with other blood pressure medicines.

Most-Reported Side Effects for Nisoldipine

From FAERS, the FDA’s public side-effect reporting system (1,196 reports, all brands). Reports are voluntary and are not proof the drug caused the effect.

Nausea 89 reports
Dizziness 76 reports
Headache 76 reports
Fatigue 75 reports
Renal failure 65 reports
See full Nisoldipine drug information
Keep checking

Other Drugs & Shirodhara

Browse every other medication we’ve checked against Shirodhara — 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

Shirodhara References

The 2 sources that drive our Shirodhara monograph — publicly available pages from reputable medical and government organizations. Every link was verified to work before publishing. Shirodhara is not covered by the licensed Natural Medicines interaction database, so its page cites these public sources directly.

  1. Ayurvedic Medicine: In Depth — NIH NCCIH Source
  2. Relaxation Techniques: What You Need To Know — NIH NCCIH Source

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 Shirodhara and Nisoldipine Together: Common Questions

Is it safe to take Shirodhara with Nisoldipine?
We do not list a known interaction between Shirodhara and Nisoldipine. 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 Shirodhara and Nisoldipine at the same time of day?
At least one FDA label for a product containing Nisoldipine says to take it on an empty stomach, and supplements are usually taken with a meal — so taking them together at breakfast is the easy mistake. Where that applies, keep Nisoldipine on its own and move Shirodhara to a meal later in the day. Food instructions belong to the product rather than the ingredient, so check the directions on your own box. This is about absorption, not an interaction.
Are Shirodhara and Nisoldipine 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 Shirodhara in each. That is a conversation for your prescriber, especially if Nisoldipine is being adjusted to a target.
Does Nisoldipine interact with any supplements?
Yes. Nisoldipine has documented interactions with 232 supplements in our database — Shirodhara is not one of them. The Nisoldipine 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 Nisoldipine and Shirodhara?

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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.