Drug & supplement interaction

Germanium + Cedazuridine, Decitabine

Cedazuridine, Decitabine brand name: Inqovi.

No Known Interaction
The bottom line No known interaction

We found no known interaction between Germanium and Cedazuridine, Decitabine 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

Germanium and Cedazuridine, Decitabine

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 Cedazuridine, Decitabine and Germanium 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 Germanium at all — not against Cedazuridine, Decitabine, 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.

Germanium safety at a glance

Germanium overall Avoid Germanium supplements have caused serious kidney damage and deaths and should be avoided.
Pregnancy Likely Unsafe When used orally due to reported toxicity; avoid using. Read the full pregnancy detail
Breastfeeding Likely Unsafe When used orally due to reported toxicity; avoid using. Read the full breastfeeding detail

Pregnancy & breastfeeding ratings are from Natural Medicines (Therapeutic Research Center) — the full detail is in the Special populations card below. Safety guidance is general; always confirm with your pharmacist or doctor for your situation.

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

No Interaction Found — But Data Suggests Germanium and Cedazuridine, Decitabine 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. 5 of them are worth acting on rather than waiting out — marked below.

  • Muscle weakness Worth acting on Additional detail

    Germanium

    “Orally, germanium is well tolerated in amounts typically found in the diet, 0.4-3.4 mg daily. However, there have been more than 30 reports of renal tubular cell damage with renal failure, hepatic steatosis, lactic acidosis, myopathy, peripheral neuropathy, cerebellar ataxia, and degeneration of the dorsal column of the spinal cord, in some cases leading to death, when organic or inorganic germanium compounds are tak…”

    Germanium · Natural Medicines adverse-effect record, reported in alcohol-related liver disease.

    6 sources cited
    1. 557. Tao SH, Bolger, PM. Hazard assessment of germanium supplements. Regul Toxicol Pharmacol 1997;25:211-9.
    2. 51753. Schauss, A. G. Nephrotoxicity in humans by the ultratrace element germanium. Ren Fail. 1991;13(1):1-4. PubMed
    3. 10040. Higuchi I, Izumo S, Kuriyama M, et al. Germanium myopathy: clinical and experimental pathological studies. Acta Neuropathol (Berl) 1989;79:300-4.. PubMed
    4. 10041. Matsusaka T, Fujii M, Nakano T, et al. Germanium-induced nephropathy: report of two cases and review of the literature. Clin Nephrol 1988;30:341-5..
    5. 10042. Hess B, Raisin J, Zimmermann A, et al. Tubulointerstitial nephropathy persisting 20 months after discontinuation of chronic intake of germanium lactate citrate. Am J Kidney Dis 1993;21:548-52.. PubMed
    6. 10043. Luck BE, Mann H, Melzer H, et al. Renal and other organ failure caused by germanium intoxication. Nephrol Dial Transplant 1999;14:2464-8. PubMed

    “Orally, muscle weakness or myopathy are among the most common symptoms of germanium toxicity. In one case report, a 38-year-old woman presented with myopathy after taking 600 mg of a germanium preparation daily for 18 months as an elixir. The preparation was found to be mainly germanium dioxide with some organic compound present.”

    Germanium · Natural Medicines adverse-effect record, reported in myasthenia gravis.

    1 source cited
    1. 51762. Nagata, N., Yoneyama, T., Yanagida, K., Ushio, K., Yanagihara, S., Matsubara, O., and Eishi, Y. Accumulation of germanium in the tissues of a long-term user of germanium preparation died of acute renal failure. J.Toxicol.Sci. 1985;10(4):333-341. PubMed

    Cedazuridine, Decitabine

    Listed in the ADVERSE REACTIONS section of the FDA label for Cedazuridine, Decitabine. Read the label on DailyMed ›

  • Unsteadiness Worth acting on Additional detail

    Germanium

    “Orally, germanium has caused peripheral neuropathy. Intravenously, transient lethargy, dizziness, visual blurring, and ataxia were the main adverse effects to the organic compound, spirogermanium. Less common adverse effects were persistent loss of taste and weakness, and a seizure. At doses above 250 mg/m2 daily tremors and mental confusion are more severe.”

    Germanium · Natural Medicines adverse-effect record, reported in epilepsy.

    4 sources cited
    1. 557. Tao SH, Bolger, PM. Hazard assessment of germanium supplements. Regul Toxicol Pharmacol 1997;25:211-9.
    2. 10038. Vogelzang NJ, Gesme DH, Kennedy BJ. A phase II study of spirogermanium in advanced human malignancy. Am J Clin Oncol 1985;8:341-4.. PubMed
    3. 10049. Schein PS, Slavik M, Smythe T, et al. Phase I clinical trial of spirogermanium. Cancer Treat Rep 1980;64:1051-6..
    4. 51770. Woolley, P. V., Ahlgren, J. D., Byrne, P. J., Priego, V. M., and Schein, P. S. A Phase I trial of spirogermanium administered on a continuous infusion schedule. Invest New Drugs 1984;2(3):305-309. PubMed

    Cedazuridine, Decitabine

    Listed in the ADVERSE REACTIONS section of the FDA label for Cedazuridine, Decitabine. Read the label on DailyMed ›

  • Kidney problems Worth acting on Additional detail

    Germanium

    “Orally, germanium can cause renal tubular degeneration and renal failure. In one case report, a 38-year-old woman presented with renal failure eventually leading to death after taking 600 mg of a germanium preparation daily for 18 months as an elixir. The preparation was found to be mainly germanium dioxide with some organic compound present.”

    Germanium · Natural Medicines adverse-effect record, reported in myasthenia gravis.

    6 sources cited
    1. 557. Tao SH, Bolger, PM. Hazard assessment of germanium supplements. Regul Toxicol Pharmacol 1997;25:211-9.
    2. 10041. Matsusaka T, Fujii M, Nakano T, et al. Germanium-induced nephropathy: report of two cases and review of the literature. Clin Nephrol 1988;30:341-5..
    3. 10042. Hess B, Raisin J, Zimmermann A, et al. Tubulointerstitial nephropathy persisting 20 months after discontinuation of chronic intake of germanium lactate citrate. Am J Kidney Dis 1993;21:548-52.. PubMed
    4. 10044. Schauss AG. Nephrotoxicity and neurotoxicity in humans from organogermanium compounds and germanium dioxide. Biol Trace Elem Res 1991;29:267-80.. PubMed
    5. 10073. Krapf R, Schaffner T, Iten PX. Abuse of germanium associated with fatal lactic acidosis. Nephron 1992;62:351-6.. PubMed
    6. 10074. Takeuchi A, Yoshizawa N, Oshima S, et al. Nephrotoxicity of germanium compounds: report of a case and review of the literature. Nephron 1992;60:436-42.. PubMed

    Cedazuridine, Decitabine

    Listed in the ADVERSE REACTIONS section of the FDA label for Cedazuridine, Decitabine. Read the label on DailyMed ›

  • Anemia Worth acting on Additional detail

    Germanium

    “Orally, germanium can cause anemia.”

    Germanium · Natural Medicines adverse-effect record, reported in anemia.

    1 source cited
    1. 557. Tao SH, Bolger, PM. Hazard assessment of germanium supplements. Regul Toxicol Pharmacol 1997;25:211-9.

    Cedazuridine, Decitabine

    Listed in the ADVERSE REACTIONS section of the FDA label for Cedazuridine, Decitabine. Read the label on DailyMed ›

  • Liver problems Worth acting on Additional detail

    Germanium

    “Orally, germanium has caused hepatic steatosis.”

    Germanium · Natural Medicines adverse-effect record, reported in alcohol-related liver disease.

    3 sources cited
    1. 557. Tao SH, Bolger, PM. Hazard assessment of germanium supplements. Regul Toxicol Pharmacol 1997;25:211-9.
    2. 10042. Hess B, Raisin J, Zimmermann A, et al. Tubulointerstitial nephropathy persisting 20 months after discontinuation of chronic intake of germanium lactate citrate. Am J Kidney Dis 1993;21:548-52.. PubMed
    3. 10073. Krapf R, Schaffner T, Iten PX. Abuse of germanium associated with fatal lactic acidosis. Nephron 1992;62:351-6.. PubMed

    Cedazuridine, Decitabine

    Listed in the ADVERSE REACTIONS section of the FDA label for Cedazuridine, Decitabine. Read the label on DailyMed ›

  • Numbness or tingling Additional detail

    Germanium

    Recorded for Germanium in the same Natural Medicines adverse-effect record shown under Muscle weakness above.

    Cedazuridine, Decitabine

    Listed in the ADVERSE REACTIONS section of the FDA label for Cedazuridine, Decitabine. Read the label on DailyMed ›

  • Tiredness / Dizziness Additional detail

    Germanium

    Recorded for Germanium in the same Natural Medicines adverse-effect record shown under Unsteadiness above.

    Cedazuridine, Decitabine

    Listed in the ADVERSE REACTIONS section of the FDA label for Cedazuridine, Decitabine. Read the label on DailyMed ›

  • A skin rash Additional detail

    Germanium

    “Orally, one case of skin rash has been reported for a 38-year-old woman who had taken 600 mg of a germanium preparation as an elixir daily for 18 months. The preparation was found to be mainly germanium dioxide with some organic compound present.”

    Germanium · Natural Medicines adverse-effect record, reported in myasthenia gravis.

    1 source cited
    1. 51762. Nagata, N., Yoneyama, T., Yanagida, K., Ushio, K., Yanagihara, S., Matsubara, O., and Eishi, Y. Accumulation of germanium in the tissues of a long-term user of germanium preparation died of acute renal failure. J.Toxicol.Sci. 1985;10(4):333-341. PubMed

    Cedazuridine, Decitabine

    Listed in the ADVERSE REACTIONS section of the FDA label for Cedazuridine, Decitabine. Read the label on DailyMed ›

Reported for Germanium but not commonly for Cedazuridine, Decitabine: confusion, a change in taste, low mood and seizures.

Effects for Cedazuridine, Decitabine come from the ADVERSE REACTIONS section of its FDA label; effects for Germanium 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.

Special populations

Germanium in Pregnancy & Breastfeeding

Pregnancy And Lactation Likely Unsafe

When used orally due to reported toxicity; avoid using.

DISCLAIMER: This tool is intended for informational purposes only, and should not be interpreted as specific medical advice. Patients should consult with a qualified healthcare provider before making decisions about therapies and/or health conditions.© 2026 Therapeutic Research Center

Everything else you take

See Every Supplement That Interacts With Cedazuridine, Decitabine

This page covers Germanium only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Cedazuridine, Decitabine page lists 17 supplements it has a documented interaction with, worst first, each one explained.

The most serious there right now: Activated Charcoal (major), Coffee Charcoal (moderate), European Mandrake (moderate), Glucomannan (moderate) and Guar Gum (moderate).

By severity: 1 major · 7 moderate · 9 minor.

From our pharmacist’s overview on the Cedazuridine, Decitabine page

“Inqovi pairs decitabine, an oral chemotherapy for certain blood cancers, with cedazuridine, whose whole job is helping the decitabine absorb properly. That is exactly why this list warrants genuine care, because every flagged supplement works the same way, by interfering with absorption in the gut.”

Reviewed by 2 · Jul 18, 2026

Open the Cedazuridine, Decitabine interaction page

One more smart check

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

We hold 41 real supplement products containing Germanium, each one broken down to its full ingredient list — and combination products often carry several ingredients besides Germanium. Even though Germanium itself has no known interaction with Cedazuridine, Decitabine, 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 Germanium and Cedazuridine, Decitabine 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 Germanium
Steady interest

#1,146 of 1,452 supplements looked up here in the last 7 days

29 days ago today
Medication Cedazuridine, Decitabine
Steady interest

#1,486 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 Germanium reference on this page ↓
  • Freshness: we automatically re-check this combination every week — this pair was last verified September 13, 2026. The Germanium and Cedazuridine, Decitabine 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 Germanium

What is Germanium?

  • Immune support
  • Cancer (unproven, alternative therapy)
  • Antioxidant claims
  • Pain relief
  • General wellness/anti-aging

Germanium is a chemical element sometimes sold as a dietary supplement, but there is no reliable evidence it treats any disease. More importantly, germanium supplements have been linked to serious and sometimes fatal kidney damage, so health authorities have warned against their use. We do not recommend taking germanium supplements.

Not a plant; germanium is a chemical element (mineral) · Capsules, tablets, powders (often as germanium-132 / organic germanium or inorganic germanium salts)

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

Germanium: dosing

There is no safe or established dose of germanium as a dietary supplement, and we do not recommend taking it at all.

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

Read the full Germanium monograph & all interactions
Medication

About Decitabine and Cedazuridine

What Is Decitabine and Cedazuridine Used For?

Brand name: Inqovi

Inqovi is used to treat adult patients with myelodysplastic syndromes (MDS) — a group of blood cancers where bone marrow doesn't make enough healthy blood cells — and chronic myelomonocytic leukemia (CMML). It covers several subtypes of MDS, including refractory anemia, refractory anemia with ringed sideroblasts, refractory anemia with excess blasts, and both previously treated and newly diagnosed disease.

Inqovi is also approved in combination with venetoclax for the treatment of newly diagnosed acute myeloid leukemia (AML) in adults who are 75 years of age or older, or in adults of any age whose other health conditions make intensive chemotherapy unsafe.

See full Decitabine and Cedazuridine drug information
Keep checking

Other Drugs & Germanium

Browse every other medication we’ve checked against Germanium — 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

Germanium References

The 30 references that drive our Germanium 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. Tao SH, Bolger, PM. Hazard assessment of germanium supplements. Regul Toxicol Pharmacol 1997;25:211-9.
  2. Budman DR, Schulman P, Vinciguerra V, Degnan TJ. Phase I trial of spirogermanium given by infusion in a multiple-dose schedule. Cancer Treat Rep 1982;66:173-5..
  3. Mainwaring MG, Poor C, Zander DS, Harman E. Complete remission of pulmonary spindle cell carcinoma after treatment with oral germanium sesquioxide. Chest 2000;117:591-3.. PubMed
  4. Vogelzang NJ, Gesme DH, Kennedy BJ. A phase II study of spirogermanium in advanced human malignancy. Am J Clin Oncol 1985;8:341-4.. PubMed
  5. Ettinger DS, Finkelstein DM, Donehower RC, et al. Phase II study of N-methylformamide, spirogermanium, and 4-demethoxydaunorubicin in the treatment of non-small cell lung cancer (EST 3583): an Eastern Cooperative Oncology Group study. Med Pediatr Oncol 1 PubMed
  6. Higuchi I, Izumo S, Kuriyama M, et al. Germanium myopathy: clinical and experimental pathological studies. Acta Neuropathol (Berl) 1989;79:300-4.. PubMed
  7. Matsusaka T, Fujii M, Nakano T, et al. Germanium-induced nephropathy: report of two cases and review of the literature. Clin Nephrol 1988;30:341-5..
  8. Hess B, Raisin J, Zimmermann A, et al. Tubulointerstitial nephropathy persisting 20 months after discontinuation of chronic intake of germanium lactate citrate. Am J Kidney Dis 1993;21:548-52.. PubMed
  9. Luck BE, Mann H, Melzer H, et al. Renal and other organ failure caused by germanium intoxication. Nephrol Dial Transplant 1999;14:2464-8. PubMed
  10. Schauss AG. Nephrotoxicity and neurotoxicity in humans from organogermanium compounds and germanium dioxide. Biol Trace Elem Res 1991;29:267-80.. PubMed
  11. Schein PS, Slavik M, Smythe T, et al. Phase I clinical trial of spirogermanium. Cancer Treat Rep 1980;64:1051-6..
  12. Trope C, Mattsson W, Gynning I, et al. Phase II study of spirogermanium in advanced ovarian malignancy. Cancer Treat Rep 1981;65:119-20..
  13. Gerber GB, Leonard A. Mutagenicity, carcinogenicity and teratogenicity of germanium compounds. Mutat Res 1997;387:141-6.. PubMed
  14. Asaka T, Nitta E, Makifuchi T, et al. Germanium intoxication with sensory ataxia. J Neurol Sci 1995;130:220-3.. PubMed
  15. Sanai T, Okuda S, Onoyama K, et al. Germanium dioxide-induced nephropathy: a new type of renal disease. Nephron. 1990;54:53-60.. 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 Germanium and Cedazuridine, Decitabine Together: Common Questions

Is it safe to take Germanium with Cedazuridine, Decitabine?
We do not list a known interaction between Germanium and Cedazuridine, Decitabine. 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 Germanium and Cedazuridine, Decitabine have any of the same side effects?
Yes — our sources link each of them separately to 9 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 Cedazuridine, Decitabine interact with any supplements?
Yes. Cedazuridine, Decitabine has documented interactions with 17 supplements in our database — Germanium is not one of them. The Cedazuridine, Decitabine 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 Cedazuridine, Decitabine and Germanium?

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.