Drug & supplement interaction

Germanium + Methylene Blue

Methylene Blue brand names: Urolene Blue, Provayblue.

No Known Interaction

Medically reviewed by Dr. Brian Staiger, PharmD, BCPS · Updated July 2026 · Pair last verified Sep 13, 2026

The bottom line No known interaction

We found no known interaction between Germanium and Methylene Blue 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.

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Interaction report

Germanium and Methylene Blue

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 Methylene Blue 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 Methylene Blue, 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 Methylene Blue and Germanium? Ask Dr. Brian Staiger, PharmD, BCPS directly ›

What to actually watch for

No Interaction Found — But Data Suggests Germanium and Methylene Blue 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. 2 of them are worth acting on rather than waiting out — marked below.

Seizures 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

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

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

10049. Schein PS, Slavik M, Smythe T, et al. Phase I clinical trial of spirogermanium. Cancer Treat Rep 1980;64:1051-6..

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
Methylene Blue

Listed in the ADVERSE REACTIONS section of the FDA label for Methylene Blue. 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

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

Listed in the ADVERSE REACTIONS section of the FDA label for Methylene Blue. Read the label on DailyMed ›

Reported for Germanium but not commonly for Methylene Blue: numbness or tingling, liver problems, confusion and muscle weakness.

Effects for Methylene Blue 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 Methylene Blue

This page covers Germanium only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Methylene Blue page lists 38 supplements it has a documented interaction with, worst first, each one explained.

The most serious there right now: Activated Charcoal (major), Lithium (major), 5-htp (moderate), Acetyl-l-carnitine (moderate) and Ayahuasca (moderate).

By severity: 2 major · 25 moderate · 11 minor.

From our pharmacist’s overview on the Methylene Blue page

“The pairing I would worry about first with methylene blue (Urolene Blue, Provayblue) is anything that raises serotonin, and lithium heads that group with a major rating. Methylene blue inhibits monoamine oxidase A, the enzyme that breaks serotonin down, so combining it with serotonin-boosting supplements can tip someone into serotonin…”

Reviewed by 2 · Jul 18, 2026

Open the Methylene Blue 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 Methylene Blue, 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 Methylene Blue 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

#1,154 of 1,452 supplements looked up here in the last 7 days

29 days ago today

Medication Methylene Blue

Top 5%

#53 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 Methylene Blue 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 Dr. Brian Staiger, PharmD, BCPS.

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

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

2,829 No interaction

No interaction 2,829 drugs checked — show the list

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

Showing the 60 most looked-up of 2,829 medications checked with no known interaction — see the full Germanium list.

See the full Germanium interactions page

See every supplement checked against Methylene Blue, ranked by severity

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.

Tao SH, Bolger, PM. Hazard assessment of germanium supplements. Regul Toxicol Pharmacol 1997;25:211-9.
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..
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
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
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
Higuchi I, Izumo S, Kuriyama M, et al. Germanium myopathy: clinical and experimental pathological studies. Acta Neuropathol (Berl) 1989;79:300-4.. PubMed
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..
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
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
Schauss AG. Nephrotoxicity and neurotoxicity in humans from organogermanium compounds and germanium dioxide. Biol Trace Elem Res 1991;29:267-80.. PubMed
Schein PS, Slavik M, Smythe T, et al. Phase I clinical trial of spirogermanium. Cancer Treat Rep 1980;64:1051-6..
Trope C, Mattsson W, Gynning I, et al. Phase II study of spirogermanium in advanced ovarian malignancy. Cancer Treat Rep 1981;65:119-20..
Gerber GB, Leonard A. Mutagenicity, carcinogenicity and teratogenicity of germanium compounds. Mutat Res 1997;387:141-6.. PubMed
Asaka T, Nitta E, Makifuchi T, et al. Germanium intoxication with sensory ataxia. J Neurol Sci 1995;130:220-3.. PubMed
Sanai T, Okuda S, Onoyama K, et al. Germanium dioxide-induced nephropathy: a new type of renal disease. Nephron. 1990;54:53-60.. PubMed
Krapf R, Schaffner T, Iten PX. Abuse of germanium associated with fatal lactic acidosis. Nephron 1992;62:351-6.. PubMed
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
Luck, B. E., Mann, H., Melzer, H., Dunemann, L., and Begerow, J. Renal and other organ failure caused by germanium intoxication. Nephrol.Dial.Transplant. 1999;14(10):2464-2468. PubMed
Hirayama, C., Suzuki, H., Ito, M., Okumura, M., and Oda, T. Propagermanium: a nonspecific immune modulator for chronic hepatitis B. J Gastroenterol. 2003;38(6):525-532. PubMed
Tsutsumi, Y., Tanaka, J., Kanamori, H., Musashi, M., Minami, H., Fukushima, A., Yamato, H., Ehira, N., Kawamura, T., Obara, S., Ogura, N., Asaka, M., Imamura, M., and Masauzi, N. Effectiveness of propagermanium treatment in multiple myeloma patients. Eur. PubMed
Fujimoto, M., Ishibashi, H., Shimamura, R., Takahashi, K., Hirata, Y., Kudo, J., Niho, Y., Kira, J., and Miyata, K. [A patient with liver cirrhosis manifesting various symptoms including cerebellar ataxia due to germanium intoxication]. Fukuoka Igaku Zass
Raisin, J., Hess, B., Blatter, M., Zimmermann, A., Descoeudres, C., Horber, F. F., and Jaeger, P. [Toxicity of an organic Germanium compound: deleterious consequences of a "natural remedy"]. Schweiz.Med.Wochenschr. 1-8-1992;122(1-2):11-13.
Kamijo, M., Yagihashi, S., Kida, K., Narita, S., and Nakata, F. [An autopsy case of chronic germanium intoxication presenting peripheral neuropathy, spinal ataxia, and chronic renal failure]. Rinsho Shinkeigaku 1991;31(2):191-196.
Obara, K., Saito, T., Sato, H., Yamakage, K., Watanabe, T., Kakizawa, M., Tsukamoto, T., Kobayashi, K., Hongo, M., and Yoshinaga, K. Germanium poisoning: clinical symptoms and renal damage caused by long-term intake of germanium. Jpn.J.Med. 1991;30(1):67- PubMed
Van der Spoel, J. I., Stricker, B. H., Schipper, M. E., de Bruijn, W., de Smet, P. A., and Esseveld, M. R. [Toxic damage of kidney, liver and muscle attributed to the administration of germanium-lactate-citrate]. Ned.Tijdschr.Geneeskd. 6-22-1991;135(25):1
Schauss, A. G. Nephrotoxicity in humans by the ultratrace element germanium. Ren Fail. 1991;13(1):1-4. PubMed
Iijima, M., Mugishima, M., Takeuchi, M., Uchiyama, S., Kobayashi, I., and Maruyama, S. [A case of inorganic germanium poisoning with peripheral and cranial neuropathy, myopathy and autonomic dysfunction]. No To Shinkei 1990;42(9):851-856.
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
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
Wang L, Zheng C, Zhao D. Successful management of germanium poisoning-induced multiple organ dysfunctions by combined blood purification therapy. Curr Med Res Opin. 2020 Apr;36(4):687-691. 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 Methylene Blue Together: Common Questions

Is it safe to take Germanium with Methylene Blue?

We do not list a known interaction between Germanium and Methylene Blue. 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 Methylene Blue 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.

Does Methylene Blue interact with any supplements?

Yes. Methylene Blue has documented interactions with 38 supplements in our database — Germanium is not one of them. The Methylene Blue 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

Germanium monograph Uses, safety profile, and every drug interaction in one place Methylene Blue supplement interactions Every supplement checked against Methylene Blue, 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 30 citations behind this page Ask a pharmacist Free, personal answer from our licensed team

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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.