Cassava + Dexamethasone
Dexamethasone brand names: Decadron, Hexadrol, Dexone, Ozurdex, Dexycu, and others.
We found no known interaction between Cassava and Dexamethasone 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.
Cassava and Dexamethasone
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 Dexamethasone and Cassava 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.
Cassava safety at a glance
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.
Why No Interaction Is Listed for Dexamethasone
Interactions in our licensed database are recorded against drug classes, not just single drug names. Dexamethasone is filed under 8 classifications — including corticosteroids, cytochrome p450 2b6 (cyp2b6) substrates, cytochrome p450 3a4 (cyp3a4) inducers. Cassava has documented interactions with 1 drug class — the most serious being thyroid hormone (moderate) — and none of Dexamethasone’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.
Cassava Does Interact With Other Medications
Cassava has 16 moderate known drug interactions in our database — Dexamethasone isn’t one of them. If you take anything else, check it against the full list below.
Check Another of Your Medications Against Cassava
We haven’t checked that one against Cassava yet — ask our pharmacists directly.
Covers the 2,830 medications we’ve checked against Cassava. Pick one to open its full report.
Cassava in Pregnancy & Breastfeeding
When used orally as a food, especially in large quantities. Animal research suggests that consuming milled cassava powder as 80% of the diet during the first 15 days of pregnancy can cause teratogenic effects, including intrauterine growth restriction, limb defects, and abnormally small brain (microencephaly). Also, epidemiological evidence suggests that pregnant women who regularly consume dietary cassava in the form of gari during pregnancy have higher levels of thiocyanate, which has negative effects on fetal birthweight, compared to those who do not consume cassava. ...when applied intravaginally. Inserting 2-3 cm of cassava stalk into the vagina has been used to induce abortion and labor.
When used orally in food amounts, especially in large quantities. Excess consumption of cassava during lactation may increase the risk of exposing the infant to thiocyanate, which can negatively affect thyroid function in the infant.
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
Questions About Cassava or Dexamethasone
These are real questions from readers, answered by the pharmacists at HelloPharmacist — written by a person, not generated from a database. Each one covers Cassava or Dexamethasone, 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:
- Does Activated Charcoal Remove Dexamethasone From the Body? ›
- Can You Safely Use Flonase If You Have High Blood Pressure? ›
- Are Antibiotic Eye Drops Safe To Use In The Ear? ›
Not quite your question? Ask our pharmacists directly — it is free, there is no account required, and answers usually come back within 24 hours.
See Every Supplement That Interacts With Dexamethasone
This page covers Cassava only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Dexamethasone page lists 221 supplements it has a documented interaction with, worst first, each one explained.
The most serious there right now: Activated Charcoal (major), Grapefruit (major), Lily-of-the-valley (major), St. John's Wort (major) and Acacia Rigidula (moderate).
By severity: 4 major · 182 moderate · 35 minor.
From our pharmacist’s overview on the Dexamethasone page
“People take dexamethasone for serious reasons, a chemotherapy course, an autoimmune flare, brain swelling, so I want anyone on it to give its 221 supplement interactions genuine attention, starting with the four rated major. Grapefruit and St.”
Reviewed by 2 · Jul 18, 2026
Taking Cassava as Part of a Dietary Supplement Product? Check It for Interactions
We hold 35 real supplement products containing Cassava, each one broken down to its full ingredient list — and combination products often carry several ingredients besides Cassava. Even though Cassava itself has no known interaction with Dexamethasone, another ingredient on your label might. Find your product and we’ll check every ingredient on its label:
Where Cassava and Dexamethasone 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.
#770 of 1,452 supplements looked up here in the last 7 days
#663 of 2,830 medications looked up here in the last 7 days
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 Cassava reference on this page ↓
- Freshness: we automatically re-check this combination every week — this pair was last verified September 20, 2026. The Cassava and Dexamethasone records this page draws on were last updated July 11, 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.
About Cassava
What is Cassava?
- Dietary staple/source of carbohydrates
- Fertility aid (to conceive twins)
- Digestive support
- General energy
- Gluten-free flour alternative
Cassava is a starchy root vegetable that feeds millions of people worldwide, but it must be properly cooked or processed because the raw plant contains compounds that release cyanide. As a supplement, it is marketed for fertility and twin conception, but there is no good scientific evidence to support these claims. Always prepare cassava correctly and talk to your pharmacist or doctor before using cassava products for health reasons.
Manihot esculenta · Euphorbiaceae · Starchy root (tuber) and leaves · Whole root, flour, tapioca, dried powder, capsules
An interaction check asks whether these two react with each other — it does not ask whether Cassava is a good idea for someone in your situation. Here is what our Cassava record says about it on its own.
Cassava: dosing
There is no established or standardized dose for cassava as a supplement. As a food, it is simply prepared and eaten in normal serving sizes after proper cooking.For cassava supplements or flour products, follow the directions on the product label.
From our Cassava monograph — the full record covers uses, side effects and every documented interaction.
About Dexamethasone
What Is Dexamethasone Used For?
Brand names: Decadron, Hexadrol, Dexone, Ozurdex, Dexycu, Hemady, Dextenza
Dexamethasone is used to treat a wide range of conditions depending on the form and route. Oral tablets and solutions treat severe allergic reactions (such as asthma, contact dermatitis, and seasonal allergic rhinitis), inflammatory skin diseases, endocrine disorders including adrenal insufficiency and congenital adrenal hyperplasia, gastrointestinal diseases such as ulcerative colitis and regional enteritis, blood disorders, rheumatic conditions, kidney disease, and respiratory conditions including tuberculosis complications. Hemady (oral tablet) is specifically approved, in combination with other medicines, for multiple myeloma in adults. TaperDex (6-day and 12-day oral tablet packs) are used for the same broad range of allergic, inflammatory, and endocrine conditions.
Injectable forms (intramuscular and intravenous) are used when oral treatment is not possible, covering endocrine emergencies, shock, rheumatic disorders, and more. Eye-specific products treat different conditions: Dextenza (intracanalicular insert) treats eye inflammation and pain after eye surgery and itching from allergic conjunctivitis. Ozurdex (intravitreal implant) treats macular edema from retinal vein occlusion and diabetic macular edema, and non-infectious uveitis in the back of the eye. Dexycu (intraocular injection) treats inflammation after eye surgery. Maxidex (ophthalmic suspension) and dexamethasone sodium phosphate eye drops treat steroid-responsive inflammatory conditions of the eye. The ophthalmic/otic solution also treats steroid-responsive inflammation of the outer ear canal. A topical ointment (Seacall) is used for skin conditions including contact dermatitis, eczema, and neurodermatitis.
Most-Reported Side Effects for Dexamethasone
From FAERS, the FDA’s public side-effect reporting system (308,307 reports, all brands). Reports are voluntary and are not proof the drug caused the effect.
Other Drugs & Cassava
Browse every other medication we’ve checked against Cassava — both the ones with a known interaction and the ones without. Select any drug for the full detail.
No drugs match “”.
16 interactions
- Levothyroxine ›
- Conjugated Estrogens ›
- Testosterone Undecanoate ›
- Levothyroxine Sodium ›
- Liotrix ›
- Desiccated Thyroid Extract ›
- Desiccated Thyroid Extract (prescription Drug) ›
- Menotropins ›
- Dextrothyroxine ›
- Human Chorionic Gonadotropin (hcg) ›
- Liothyronine ›
- Ospemifene ›
- Thyroglobulin ›
- Thyroid Hormone ›
- Levothyroxine, Liothyronine ›
- Liotrix, T4/t3 ›
No interaction 2,813 drugs checked — show the list
We also checked Cassava against these medications and found no known interaction in our sources. Open any page to confirm.
- Apixaban ›
- Amlodipine ›
- Warfarin ›
- Methylphenidate ›
- Sertraline ›
- Abemaciclib ›
- Ivermectin ›
- Testosterone ›
- Acetaminophen ›
- Losartan Potassium ›
- Aspirin ›
- Rosuvastatin ›
- Metoprolol ›
- Clopidogrel ›
- Escitalopram ›
- Rivaroxaban ›
- Atorvastatin ›
- Docusate ›
- Tirzepatide ›
- Methamphetamine ›
- Ibuprofen ›
- Warfarin Sodium ›
- Tadalafil ›
- Valacyclovir ›
- Sumatriptan ›
- Hydroxyurea ›
- Semaglutide ›
- Prednisone ›
- Amitriptyline ›
- Metformin ›
- Propranolol ›
- Lisdexamfetamine ›
- Isotretinoin ›
- Amoxicillin ›
- Methotrexate ›
- Lisinopril ›
- Amlodipine Besylate ›
- Amphetamine ›
- Bendamustine ›
- Bupropion ›
- Fluoxetine ›
- Doxycycline ›
- Azithromycin ›
- Pregabalin ›
- Acyclovir ›
- Lamotrigine ›
- Gabapentin ›
- Dextroamphetamine ›
- Acetaminophen, Codeine ›
- Naproxen ›
- Clonazepam ›
- Quetiapine ›
- Omeprazole ›
- Duloxetine ›
- Letrozole ›
- Methylene Blue ›
- Citalopram ›
- Buspirone ›
- Ciprofloxacin ›
- Bisoprolol ›
Showing the 60 most looked-up of 2,813 medications checked with no known interaction — see the full Cassava list.
Cassava References
The 30 references that drive our Cassava 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.
- Hernandez T, Lundquist P, Oliveira L, et al. Fate in humans of dietary intake of cyanogenic glycosides from roots of sweet cassava consumed in Cuba. Nat Toxins 1995;3(2):114-7. PubMed
- Ariffin WA, Choo KE, Karnaneedi S. Cassava (ubi kayu) poisoning in children. Med J Malaysia 1992;47(3):231-4.
- Tylleskar T, Banea M, Bikangi N, et al. Cassava cyanogens and konzo, an upper motoneuron disease found in Africa. Lancet 1992;339(8787):208-11. PubMed
- Akindahunsi AA, Grissom FE, Adewusi SR, et al. Parameters of thyroid function in the endemic goitre of Akungba and Oke-Agbe villages of Akoko area of southwestern Nigeria. Afr J Med Med Sci 1998;27(3-4):239-42.
- Osman BA, Ng ML, Bakar AA, Khalid BA. The effect of cassava leave intake on thyroid hormone and urinary iodine. East Afr Med J 1993;70(5):314-5.
- Gaitan E, Cooksey RC, Legan J, et al. Antithyroid effects in vivo and in vitro of babassu and mandioca: a staple food in goiter areas of Brazil. Eur J Endocrinol 1994;131(2):138-44. PubMed
- Geelhoed GW. Metabolic maladaptation: individual and social consequences of medical intervention in correcting endemic hypothyroidism. Nutrition 1999;15(11-12):908-32. DOI
- Biassoni P, Ravera G, Bertocchi J, et al. Influence of dietary habits on thyroid status of a nomadic people, the Bororo shepherds, roaming a central African region affected by severe iodine deficiency. Eur J Endocrinol 1998;138(6):681-5. PubMed
- Delange F. The disorders induced by iodine deficiency. Thyroid 1994;4(1):107-28. PubMed
- Delange F. [The role of goitrogenic factors distinct from iodine deficiency in the etiology of goiter]. Ann Endocrinol (Paris) 1988;49(4-5):302-5.
- Assan R, Assan D, Thiebaut MF, et al. [Diabetogenic tropical pancreatitis]. Diabete Metab 1988;14(3):299-312.
- Balakrishnan V, Unnikrishnan AG, Thomas V, et al. Chronic pancreatitis. A prospective nationwide study of 1,086 subjects from India. JOP 2008;9(5):593-600.
- Cliff J, Lundqvist P, Martensson J, et al. Association of high cyanide and low sulphur intake in cassava-induced spastic paraparesis. Lancet 1985;2(8466):1211-3. PubMed
- Paula Cardoso A, Ernesto M, Nicala D, et al. Combination of cassava flour cyanide and urinary thiocyanate measurements of school children in Mozambique. Int J Food Sci Nutr 2004;55(3):183-90. PubMed
- Dumas M, Giordano C, Ndiaye IP, et al. [The concept of tropical neuromyelopathy]. Bull Soc Pathol Exot Filiales 1988;81(2):183-8.
- Tucker K, Hedges TR. Food shortages and an epidemic of optic and peripheral neuropathy in Cuba. Nutr Rev 1993;51(12):349-57. PubMed
- Wilson J. Cyanide in human disease: a review of clinical and laboratory evidence. Fundam Appl Toxicol 1983;3(5):397-9. DOI
- Grange AO. Evaluation of cassava-salt suspension in the management of acute diarrhoea in infants and children. J Diarrhoeal Dis Res 1994;12(1):55-8.
- Olusanya O, Olanrewaju DM, Oluwole FA. Studies on the effectiveness, safety and acceptability of fluids from local foodstuffs in the prevention and management of dehydration caused by diarrhoea in children. J Trop Pediatr 1994;40(6):360-4. PubMed
- Singh JD. The teratogenic effects of dietary Cassava on the pregnant albino rat: a preliminary report. Teratology 1981;24(3):289-91. PubMed
- Oforofuo IA, Omu AE. Serum thiocyanate levels in a normal population and in pregnancy in Benin City, Nigeria: preliminary report. Int J Gynaecol Obstet 1991;34(1):65-9. PubMed
- Nikolajsen T, Nielsen F, Rasch V, et al. Uterine contraction induced by Tanzanian plants used to induce abortion. J Ethnopharmacol 2011;137(1):921-5. PubMed
- Cardoso AP, Mirione E, Ernesto M, et al. Processing of cassava roots to remove cyanogens. Journal of Food Composition and Analysis 2005;18(5):451-60. DOI
- Dorea JG. Maternal thiocyanate and thyroid status during breast-feeding. J Am Coll Nutr 2004;23(2):97-101. PubMed
- Sánchez D, Sus S, Ortiz B, Sánchez J, Cardona R. Cross-reactivity Between Cassava and Latex in a Colombian Patient With an Anaphylactic Reaction. J Investig Allergol Clin Immunol. 2015;25(6):453-5.
- Rosa ML, Falcão PM, Yokoo EM, et al. Brazil's staple food and incident diabetes. Nutrition. 2014 Mar;30(3):365-8. Epub 2013 Oct 2. PubMed
- Banea JP, Bradbury JH, Mandombi C, et al. Control of konzo by detoxification of cassava flour in three villages in the Democratic Republic of Congo. Food Chem Toxicol. 2013 Oct;60:506-13. Epub 2013 Aug 11. PubMed
- Boivin MJ, Okitundu D, Makila-Mabe Bumoko G, et al. Neuropsychological effects of konzo: a neuromotor disease associated with poorly processed cassava. Pediatrics. 2013 Apr;131(4):e1231-9. Epub 2013 Mar 25. PubMed
- Antolin-Amerigo D, Rodriguez-Rodriguez M, Barbarroja-Escudero J, Postigo Resa I, Uribe-Etxebarría MC, Alvarez-Mon M. Hypersensitivity to cassava: an allergen-based assessment. J Investig Allergol Clin Immunol. 2012;22(5):385-6.
- Santos KS, Galvao CE, Gadermaier G, et al. Allergic reactions to manioc (Manihot esculenta Crantz): identification of novel allergens with potential involvement in latex-fruit syndrome. J Allergy Clin Immunol. 2011 Dec;128(6):1367-9. Epub 2011 Aug 19. 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.
Dexamethasone Is Linked to Lower Levels of 8 Nutrients
Natural Medicines records Dexamethasone as a medicine that can lower these. This is not an interaction with Cassava — it is a separate effect of the medicine, and it is a reason some people are advised to supplement rather than to avoid one:
Read the full Dexamethasone nutrient depletion report ›
Depletion records come from the licensed Natural Medicines database. Do not start a supplement on the strength of this page — ask your pharmacist or doctor whether it applies to you.
Taking Cassava and Dexamethasone Together: Common Questions
Is it safe to take Cassava with Dexamethasone?
Do Cassava and Dexamethasone have any of the same side effects?
How was the Cassava and Dexamethasone combination checked?
Does Cassava interact with any other medications?
Does Dexamethasone interact with any supplements?
Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy
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Still Have a Question About Dexamethasone and Cassava?
Our pharmacists answer your medication & supplement questions — free.
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.