Drug & supplement interaction

Cissus Quadrangularis + Tenofovir Disoproxil Fumarate

Tenofovir Disoproxil Fumarate brand name: Viread.

No Known Interaction
Medically reviewed by · Updated July 2026 · Pair last verified Sep 27, 2026
The bottom line No known interaction

We found no known interaction between Cissus Quadrangularis and Tenofovir Disoproxil Fumarate 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

Cissus Quadrangularis and Tenofovir Disoproxil Fumarate

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 Tenofovir Disoproxil Fumarate and Cissus Quadrangularis 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.

Cissus Quadrangularis safety at a glance

Cissus Quadrangula... overall Use caution Generally well tolerated in short-term use, but long-term safety is not well studied.
Pregnancy Avoid Not enough safety data, so it is best avoided during pregnancy.
Breastfeeding Avoid Not enough safety data, so it is best avoided while breastfeeding.

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

Still wondering about combining Tenofovir Disoproxil Fumarate and Cissus Quadrangularis? Ask Dr. Brian Staiger, PharmD, BCPS directly ›
How we checked

Why No Interaction Is Listed for Tenofovir Disoproxil Fumarate

Interactions in our licensed database are recorded against drug classes, not just single drug names. Tenofovir Disoproxil Fumarate is filed under 4 classifications — including nucleoside reverse transcriptase inhibitors (nrtis), nephrotoxic drugs, oral drugs. Cissus Quadrangularis has documented interactions with 1 drug class — the most serious being antidiabetes drugs (moderate) — and none of Tenofovir Disoproxil Fumarate’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

Cissus Quadrangularis Does Interact With Other Medications

Cissus Quadrangularis has 86 moderate known drug interactions in our database — Tenofovir Disoproxil Fumarate isn’t one of them. If you take anything else, check it against the full list below.

Moderate 86 No known interaction 2,744 (incl. Tenofovir Disoproxil Fumarate)
Taking anything else?

Check Another of Your Medications Against Cissus Quadrangularis

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

What to actually watch for

What Cissus Quadrangularis Itself Has Been Linked To

This is not an interaction — nothing below involves Tenofovir Disoproxil Fumarate. It is the side-effect record for Cissus Quadrangularis on its own, from the licensed Natural Medicines monograph. If something new turns up after you add Cissus Quadrangularis, this list is the first place to look.

  • Bloating or gas / Dry mouth / Stomach upset / Diarrhea Additional detail

    “Orally, Cissus quadrangularis has been reported to cause flatulence, diarrhea, gastritis, and dry mouth. However, the rates of these adverse effects are similar to or lower than that observed with placebo.”

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

    4 sources cited
    1. 15608. Oben J, Kuate D, Agbor G, et al. The use of a Cissus quadrangularis formulation in the management of weight loss and metabolic syndrome. Lipids Health Dis 2006, 5:24.
    2. 16457. Oben JE, Ngondi JL, Momo CN, et al. The use of Cissus quadrangularis/Irvingia gabonensis combination in the management of weight loss: a double-blind placebo-controlled study. Lipids Health Dis 2008;7:12.
    3. 112140. Benjawan S, Nimitphong H, Tragulpiankit P, Musigavong O, Prathanturarug S, Pathomwichaiwat T. The effect of Cissus quadrangularis L. on delaying bone loss in postmenopausal women with osteopenia: A randomized placebo-controlled trial. Phytomedicine 2022;1 PubMed
    4. 43204. Panpimanmas, S., Sithipongsri, S., Sukdanon, C., and Manmee, C. Experimental comparative study of the efficacy and side effects of Cissus quadrangularis L. (Vitaceae) to Daflon (Servier) and placebo in the treatment of acute hemorrhoids. J Med Assoc.Thai
  • Trouble sleeping / Headache Additional detail

    “Orally, Cissus quadrangularis has been reported to cause headache and insomnia. However, the rates of these adverse effects are similar to or lower than that observed with placebo.”

    Cissus Quadrangularis · Natural Medicines adverse-effect record, reported in cluster headache.

    2 sources cited
    1. 15608. Oben J, Kuate D, Agbor G, et al. The use of a Cissus quadrangularis formulation in the management of weight loss and metabolic syndrome. Lipids Health Dis 2006, 5:24.
    2. 16457. Oben JE, Ngondi JL, Momo CN, et al. The use of Cissus quadrangularis/Irvingia gabonensis combination in the management of weight loss: a double-blind placebo-controlled study. Lipids Health Dis 2008;7:12.

Everything above comes from the Natural Medicines adverse-effect record for Cissus Quadrangularis — expand a row for the licensed statement it rests on. We haven’t matched Tenofovir Disoproxil Fumarate 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 Tenofovir Disoproxil Fumarate.

Overlapping uses

What Tenofovir Disoproxil Fumarate Is Prescribed For, and What Cissus Quadrangularis Has Been Studied For

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

Cissus Quadrangularis has been studied for:

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

    Cissus Quadrangularis for cancer

    Although there has been interest in using oral Cissus quadrangularis for cancer, there is insufficient reliable information about the clinical effects of Cissus quadrangularis for this purpose.

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 Tenofovir Disoproxil Fumarate on your own; if you are taking Cissus Quadrangularis for the same health topic, tell your prescriber, especially if the medicine is being adjusted to a target.

From our Q&A

Questions About Cissus Quadrangularis or Tenofovir Disoproxil Fumarate

These are real questions from readers, answered by the pharmacists at HelloPharmacist — written by a person, not generated from a database. Each one covers Cissus Quadrangularis or Tenofovir Disoproxil Fumarate, not necessarily both, but if one is close to what you were about to ask it will usually go further than a database entry can:

Not quite your question? Ask our pharmacists directly — it is free, there is no account required, and answers usually come back within 24 hours.

Everything else you take

See Every Supplement That Interacts With Tenofovir Disoproxil Fumarate

This page covers Cissus Quadrangularis only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Tenofovir Disoproxil Fumarate page lists 28 supplements it has a documented interaction with, worst first, each one explained.

The most serious there right now: Activated Charcoal (major), Asarabacca (major), Siberian Cocklebur (major), Aristolochia (moderate) and Calcium (moderate).

By severity: 3 major · 15 moderate · 10 minor.

Open the Tenofovir Disoproxil Fumarate interaction page

One more smart check

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

We hold 371 real supplement products containing Cissus Quadrangularis, each one broken down to its full ingredient list — and combination products often carry several ingredients besides Cissus Quadrangularis. Even though Cissus Quadrangularis itself has no known interaction with Tenofovir Disoproxil Fumarate, 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 Cissus Quadrangularis and Tenofovir Disoproxil Fumarate 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 Cissus Quadrangularis
Top 25%

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

29 days ago today
Medication Tenofovir Disoproxil Fumarate
Steady interest

#2,061 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 Cissus Quadrangularis reference on this page ↓
  • Freshness: we automatically re-check this combination every week — this pair was last verified September 27, 2026. The Cissus Quadrangularis and Tenofovir Disoproxil Fumarate 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 Cissus Quadrangularis

What is Cissus Quadrangularis?

Cissus Quadrangularis
  • Bone fracture healing
  • Joint pain and bone health
  • Weight management
  • Blood sugar support
  • Digestive complaints

Cissus quadrangularis is a traditional vine used mainly for bone health, joint pain, and weight management. Most of the supporting evidence comes from animal studies and a small number of human trials, so its benefits are not firmly proven. It appears reasonably well tolerated in the short term, but people who are pregnant, breastfeeding, or managing chronic conditions should talk to a doctor or pharmacist first.

Cissus quadrangularis · Vitaceae · Stems, leaves, and roots · Capsules, tablets, powder, extracts, and topical preparations

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

Cissus Quadrangularis: dosing

There is no official, standardized dose for Cissus quadrangularis. Products differ widely in their strength and how they are prepared, which makes a single recommended dose hard to give.The best approach is to follow the directions on the product label and not exceed the suggested amount. A pharmacist or doctor can help you decide whether a product and dose make sense for you, especially if you take other medicines or have health conditions.

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

Read the full Cissus Quadrangularis monograph & all interactions
Medication

About Tenofovir disoproxil fumarate/Tenofovir alafenamide

What Is Tenofovir disoproxil fumarate/Tenofovir alafenamide Used For?

Brand name: Viread

  • Tenofovir disoproxil fumarate (DF) (Viread) is used along with other medications to treat HIV infection in adults and children 2 years of age and older weighing 22 pounds (10 kilograms) or more. Tenofovir DF is also used to treat chronic (long term) HBV in adults and children 2 years of age and older weighing 22 pounds (10 kilograms) or more. Tenofovir alafenamide (AF) (Vemlidy) is used to treat chronic (long term) HBV in adults and children 12 years of age and older who have stable liver disease. Tenofovir is in a class of medications called nucleoside reverse transcriptase inhibitors (NRTIs). It works by decreasing the amount of HIV and HBV in the blood. Although tenofovir will not cure HIV, it may decrease your chance of developing acquired immunodeficiency syndrome (AIDS) and HIV-related illnesses such as serious infections or cancer. Taking these medications along with practicing safer sex and making other lifestyle changes may decrease the risk of transmitting the HIV virus to other people. Tenofovir will not cure hepatitis B and may not prevent complications of chronic hepatitis B such as cirrhosis of the liver or liver cancer. Tenofovir may not prevent the spread of hepatitis B to other people.

Most-Reported Side Effects for Tenofovir Disoproxil Fumarate

From FAERS, the FDA’s public side-effect reporting system (70,376 reports, all brands). Reports are voluntary and are not proof the drug caused the effect.

Bone density decreased 20,241 reports
Chronic kidney disease 12,912 reports
Renal failure 11,361 reports
Osteonecrosis 11,071 reports
Bone loss 10,942 reports
See full Tenofovir disoproxil fumarate/Tenofovir alafenamide drug information
Keep checking

Other Drugs & Cissus Quadrangularis

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

0Major
86Moderate
0Minor
2,743No known interaction
86 Moderate 2,743 No interaction
Moderate

86 interactions

Showing 60 of 86 moderate interactions — see all 86 on the Cissus Quadrangularis page.

No interaction 2,743 drugs checked — show the list

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

Showing the 60 most looked-up of 2,743 medications checked with no known interaction — see the full Cissus Quadrangularis list.

See the full Cissus Quadrangularis interactions page
See every supplement checked against Tenofovir Disoproxil Fumarate, ranked by severity
Evidence & sources

Cissus Quadrangularis References

The 5 references that drive our Cissus Quadrangularis 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. Oben J, Kuate D, Agbor G, et al. The use of a Cissus quadrangularis formulation in the management of weight loss and metabolic syndrome. Lipids Health Dis 2006, 5:24.
  2. Oben JE, Ngondi JL, Momo CN, et al. The use of Cissus quadrangularis/Irvingia gabonensis combination in the management of weight loss: a double-blind placebo-controlled study. Lipids Health Dis 2008;7:12.
  3. Panpimanmas, S., Sithipongsri, S., Sukdanon, C., and Manmee, C. Experimental comparative study of the efficacy and side effects of Cissus quadrangularis L. (Vitaceae) to Daflon (Servier) and placebo in the treatment of acute hemorrhoids. J Med Assoc.Thai
  4. Nash R, Azantsa B, Kuate D, Singh H, Oben J. The use of a stem and leaf aqueous extract of Cissus quadrangularis (CQR-300) to reduce body fat and other components of metabolic syndrome in overweight participants. J Altern Complement Med. 2019;25(1):98-106
  5. Benjawan S, Nimitphong H, Tragulpiankit P, Musigavong O, Prathanturarug S, Pathomwichaiwat T. The effect of Cissus quadrangularis L. on delaying bone loss in postmenopausal women with osteopenia: A randomized placebo-controlled trial. Phytomedicine 2022;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 Cissus Quadrangularis and Tenofovir Disoproxil Fumarate Together: Common Questions

Is it safe to take Cissus Quadrangularis with Tenofovir Disoproxil Fumarate?
We do not list a known interaction between Cissus Quadrangularis and Tenofovir Disoproxil Fumarate. 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.
Are Cissus Quadrangularis and Tenofovir Disoproxil Fumarate 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 Cissus Quadrangularis in each. That is a conversation for your prescriber, especially if Tenofovir Disoproxil Fumarate is being adjusted to a target.
How was the Cissus Quadrangularis and Tenofovir Disoproxil Fumarate combination checked?
Interactions in our licensed database are recorded against drug classes. Tenofovir Disoproxil Fumarate is filed under 4 classifications, and Cissus Quadrangularis has documented interactions with 1 drug class — none of Tenofovir Disoproxil Fumarate'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 Cissus Quadrangularis interact with any other medications?
Yes. Cissus Quadrangularis has 86 documented drug interactions in our database — Tenofovir Disoproxil Fumarate 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 Tenofovir Disoproxil Fumarate interact with any supplements?
Yes. Tenofovir Disoproxil Fumarate has documented interactions with 28 supplements in our database — Cissus Quadrangularis is not one of them. The Tenofovir Disoproxil Fumarate 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

Cissus Quadrangularis monograph Uses, safety profile, and every drug interaction in one place Tenofovir disoproxil fumarate/Tenofovir alafenamide drug information The full plain-English guide to this medication Tenofovir Disoproxil Fumarate supplement interactions Every supplement checked against Tenofovir Disoproxil Fumarate, 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 5 citations behind this page Ask a pharmacist Free, personal answer from our licensed team

Still Have a Question About Tenofovir Disoproxil Fumarate and Cissus Quadrangularis?

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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.