Dexamethasone
Dexamethasone is a prescription corticosteroid used to reduce inflammation and suppress the immune system in a variety of conditions. Dexamethasone is used for Inflammation, Allergic reactions and Autoimmune disorders.
Also called: Dmt Suik (United States) · Maxitrol (United Kingdom) · Dexmethsone (Australia) · Decilone (Philippines)
Pronunciation: (dek-suh-METH-uh-sone).
- Generic name
- Dexamethasone
- Brand names
- Ozurdex, Decadron, Dexmethsone, Dexona, Maxidex, DexPak
- Drug class
- Corticosteroid (Glucocorticoid)
Availability and supply rules vary by country
Trade names by country: United States · United Kingdom · Canada · Australia · India · Nepal · New Zealand
Australia: Ozurdex, Dexmethsone · Full directory
What Dexamethasone is and how it works
Dexamethasone is a prescription corticosteroid used to reduce inflammation and suppress the immune system in a variety of conditions. It is commonly prescribed for allergic reactions, asthma, certain types of arthritis, skin diseases, eye inflammation, and some cancers. Dexamethasone is also used to manage cerebral edema (brain swelling), severe COVID-19, and as part of chemotherapy regimens. It works by mimicking natural hormones produced by your adrenal glands, helping to decrease inflammation and immune responses. This can relieve symptoms like swelling, redness, itching, and allergic reactions. Key points for patients: Dexamethasone should be taken exactly as prescribed. Do not stop taking it suddenly without consulting your doctor, as this can cause withdrawal symptoms. Long-term use may increase the risk of infections, bone loss, and other side effects. (2) (3)
Uses, formulations, monitoring, and supply rules can differ by patient, product, and country. Follow the exact local product information and professional advice.
Mechanism of action: how Dexamethasone works
Dexamethasone is a potent synthetic glucocorticoid that binds to intracellular glucocorticoid receptors, modulating gene expression to suppress the production of pro-inflammatory cytokines and mediators. It inhibits leukocyte infiltration at the site of inflammation, reduces edema, and suppresses humoral immune responses. (2)
What is Dexamethasone used for?
Inflammation
Allergic reactions
Autoimmune disorders
Cancers
Before taking Dexamethasone
Do not take / not appropriate for
- Contraindicated in patients with systemic fungal infections, known hypersensitivity to dexamethasone, or live vaccine administration in immunosuppressed patients. (Contraindication) (2)
Tell your clinician about
(2) (3)Dexamethasone dosage and how to take it
- General Instructions: Take dexamethasone exactly as prescribed by your doctor. Follow the dosing schedule carefully. Do not increase or decrease your dose without medical advice.. Adult Dosing: Dosing varies widely depending on the condition being treated. Typical oral doses range from 0.5 mg to 10 mg per day, divided into 1-4 doses. For severe conditions, higher doses may be used.. Pediatric Dosing: Children's doses are based on weight and the specific condition. Pediatric dosing must be determined by a healthcare professional.. Administration: Take oral forms with food to reduce stomach upset. For injections, administration is by a healthcare professional. Eye drops and topical forms should be used as directed.. When To Stop: Do not stop dexamethasone suddenly unless directed by your doctor. Tapering may be necessary to prevent withdrawal symptoms.. Storage: Store at room temperature away from moisture and heat. Keep out of reach of children.
- This page does not provide a dose calculator. Dosing must follow the prescriber, pharmacist, or product label.
Procedures and treatment changes
Tell the treating team before surgery, procedures, or any medicine change. Do not alter treatment without the responsible clinician. (2) (3)
Missed dose
If you miss a dose, take it as soon as you remember. If it is almost time for your next dose, skip the missed dose. Do not double up to make up for a missed dose.
Overdose
In case of overdose, seek emergency medical help or contact a Poison Control Center immediately. Symptoms may include severe confusion, muscle weakness, seizures, or irregular heartbeat. (2) (3)
Dexamethasone side effects
Side effects and their urgency vary; report severe, persistent, or concerning symptoms to a healthcare professional. The clinician database did not list specific side effects; the list below is drawn from the FDA-approved prescribing information.
Increased appetite and weight gain
Incidence: Reported in FDA labeling; frequency not established
Insomnia and mood swings
Incidence: Reported in FDA labeling; frequency not established
Fluid retention and edema
Incidence: Reported in FDA labeling; frequency not established
High blood sugar (hyperglycemia)
Incidence: Reported in FDA labeling; frequency not established
Hiccups and increased sweating
Incidence: Reported in FDA labeling; frequency not established
Signs of infection (fever, sore throat, unusual fatigue) — corticosteroids decrease resistance to infection
Incidence: Reported in FDA labeling
Severe stomach pain, black or bloody stools (possible peptic ulcer with bleeding or perforation)
Incidence: Reported in FDA labeling
Vision changes, eye pain (possible glaucoma or cataracts)
Incidence: Reported in FDA labeling
New or worsening depression, mood changes, or psychosis
Incidence: Reported in FDA labeling
Signs of an allergic reaction (rash, swelling, difficulty breathing) — anaphylactoid/anaphylactic reactions have been reported
Incidence: Reported in FDA labeling
Serious warnings
Long-term use can increase the risk of infections and slow wound healing May cause high blood sugar and worsen diabetes Can lead to osteoporosis and bone fractures with prolonged use May cause mood changes, depression, or psychosis Can increase intraocular pressure and risk of glaucoma — serious
Symptoms: Long-term use can increase the risk of infections and slow wound healing May cause high blood sugar and worsen diabetes Can lead to osteoporosis and bone fractures with prolonged use May cause mood changes, depression, or psychosis Can increase intraocular pressure and risk of glaucoma
Action: Follow the urgency stated and seek prompt or emergency care when indicated. (2) (3)
Formal contraindications per FDA labeling — serious
Symptoms: Formal contraindications per FDA labeling: systemic fungal infections, and known hypersensitivity to dexamethasone or any component. Live-vaccine administration in immunosuppressed patients and use in diabetes, hypertension, osteoporosis, peptic ulcer disease, psychiatric disorders, or glaucoma are precautions requiring clinician judgment rather than absolute contraindications.
Action: Follow the urgency stated and seek prompt or emergency care when indicated. (2) (3)
Interactions
| Medicine or test | Effect | Action |
|---|---|---|
| Recorded interactions | Dexamethasone may interact with many medications, including blood thinners (warfarin), certain antibiotics, antifungals, antidiabetic drugs, anticonvulsants, and vaccines. Always inform your doctor about all medicines and supplements you are taking. |
Pregnancy, breastfeeding, kidney/liver function, age
Pregnancy
FDA labeling advises corticosteroids should be used during pregnancy only if the potential benefit justifies the potential risk to the fetus. Teratogenic effects have been documented in animal studies, and infants born to mothers who received corticosteroids during pregnancy should be monitored for hypoadrenalism. Discuss the specific risks and benefits with the prescribing clinician. (2) (3)
Breastfeeding
Systemically administered corticosteroids appear in human milk and could suppress infant growth or cause other adverse effects. The decision to discontinue breastfeeding or discontinue the medicine should weigh the drug's importance to the mother, made together with the prescribing clinician. (2) (3)
Children
Frequency: Once daily or divided doses depending on clinical scenario.. Weight Based: 0.1 to 0.3 mg/kg/day for most conditions, not exceeding 10 mg/day.. Max Daily Dose: 10 mg for children.. Max Single Dose: 10 mg for children.. Age Restrictions: Safety not established in children under 6 months. Long-term corticosteroid use in children requires monitoring of growth and development per FDA labeling. (2) (3)
Renal Impairment
Neither the clinician database nor the FDA label provides a specific numeric dexamethasone dose-adjustment table for renal or hepatic impairment; dosing in these patients should be individualized by the prescriber with appropriate monitoring. (2) (3)
Hepatic Impairment
Neither the clinician database nor the FDA label provides a specific numeric dexamethasone dose-adjustment table for renal or hepatic impairment; dosing in these patients should be individualized by the prescriber with appropriate monitoring. (2) (3)
Monitoring
(2) (3)Storage
Store at 20-25C (68-77F), away from moisture and heat, in a tight, light-resistant, child-resistant container. Keep out of reach of children.
Study the drug class: Systemic corticosteroids (practice MCQs)
Professional information
Clinician-facing context only. This section does not replace current product labeling.
General
Indication: Inflammation
Dose summary: Initial dose varies based on condition; typically 0.75 to 9 mg/day in divided doses.
Renal context: The FDA-approved label (DailyMed) provides no specific numeric dose-adjustment table for renal impairment; dosing remains individualized to the disease under treatment and patient response. The Drugs.com dosing guide, corroborating the FDA label, states 'no dose adjustment recommended' for renal impairment. For hepatic impairment, the FDA label likewise gives no numeric adjustment, and the Drugs.com dosing guide advises 'use with caution' — dexamethasone is hepatically metabolized, so clearance may be reduced in significant liver disease and the prescriber should monitor accordingly. (2) (3)
Frequently asked questions
What conditions does dexamethasone treat?
Dexamethasone is used to treat inflammation, allergic reactions, asthma, certain cancers, autoimmune diseases, cerebral edema, and as part of COVID-19 management.
How quickly does dexamethasone work?
Dexamethasone usually begins to reduce inflammation within a few hours, but full effects may take several days depending on the condition.
Can I stop dexamethasone suddenly?
No. Stopping suddenly can cause withdrawal symptoms. Your doctor will advise you on how to taper the dose safely.
Is dexamethasone safe during pregnancy or breastfeeding?
Dexamethasone should only be used during pregnancy or breastfeeding if clearly needed and prescribed by your doctor. Discuss risks and benefits with your healthcare provider.
What should I do if I develop signs of infection while taking dexamethasone?
Contact your doctor immediately if you develop fever, sore throat, cough, or other signs of infection, as dexamethasone can suppress your immune system.
Can dexamethasone affect blood sugar levels?
Yes, dexamethasone can increase blood sugar levels, especially in people with diabetes. Regular monitoring may be needed.
Are there foods or drinks I should avoid?
Avoid alcohol and limit foods high in salt and sugar. Maintain a balanced diet rich in calcium and vitamin D to help protect your bones.
What happens if I take too much Dexamethasone?
Taking too much Dexamethasone can lead to symptoms such as fluid retention, high blood pressure, and increased blood sugar. In severe cases, it may cause adrenal suppression or other serious complications. If you suspect an overdose, seek immediate emergency medical attention or contact your local poison control center.
Can I drink alcohol while taking Dexamethasone?
While there isn't a direct interaction between Dexamethasone and alcohol, consuming alcohol while on corticosteroids can increase the risk of gastrointestinal irritation, stomach ulcers, and may worsen some side effects like mood changes or sleep disturbances. It is generally advisable to limit or avoid alcohol consumption and consult your healthcare provider.
Is Dexamethasone safe during pregnancy?
Dexamethasone is classified in a pregnancy category that indicates potential risks, though the specific category can vary. Its use during pregnancy should be carefully evaluated by a healthcare provider, weighing the potential benefits against the risks to the fetus. Always consult your doctor to discuss the safety and necessity of Dexamethasone if you are pregnant or planning to become pregnant.
What is the mechanism of action of Dexamethasone?
Dexamethasone is a potent synthetic glucocorticoid that binds to intracellular glucocorticoid receptors, modulating gene expression to suppress the production of pro-inflammatory cytokines and mediators. It inhibits leukocyte infiltration at the site of inflammation, reduces edema, and suppresses humoral immune responses. (2)
What is the generic name of Dexamethasone?
The generic name is Dexamethasone. It is sold under brand names including Ozurdex, Decadron, Dexmethsone, Dexona, Maxidex, DexPak.
What class of drug is Dexamethasone?
Dexamethasone is classed as: Corticosteroid (Glucocorticoid).
References
- Dexamethasone — Clinician-Authored Medicine RecordMedGuideGlobal · Internal · dated 2026 · accessed 2026-08-06 · source 1
- Dexamethasone Tablets, USP — Prescribing InformationU.S. National Library of Medicine (DailyMed) · United States · dated 2026 · accessed 2026-08-06 · source 2
- Dexamethasone Dosage Guide — Organ Function AdjustmentsDrugs.com · International · dated 2026 · accessed 2026-08-07 · source 3
- DEXAMETHASONE SODIUM PHOSPHATE INJECTION, SOLUTION [FRESENIUS KABI USA, LLC] — US prescribing information (DailyMed SPL)U.S. National Library of Medicine (DailyMed) · US · accessed 2026-08-14 · source 4
- Dexamethasone Injection — patient drug information (MedlinePlus)U.S. National Library of Medicine (MedlinePlus) · US · accessed 2026-08-14 · source 5
- Dexamethasone — FDA approval record (Drugs@FDA ANDA201270)U.S. Food and Drug Administration · US · accessed 2026-08-14 · source 6
- Dexamethasone — RxNorm normalized drug concept (RXCUI 22690)U.S. National Library of Medicine (RxNorm) · US · accessed 2026-08-14 · source 7
Brand names by country
Single-ingredient Dexamethasone names are shown separately by country. Product availability, strengths, and supply rules can change; combination products are not included here.
Priority countries
United States
- DMT SUIKinjection, solution · 10 mg/mL · asclemed usa, inc.regulator source
- TaperDex 6-daytablet · 1.5 mg · proficient rx lpregulator source
- Hemadytablet · 20 mg · edenbridge pharmaceuticals llc.regulator source
- MAXIDEXfor suspension · 1 mg/mL · harrow eye, llcregulator source
- DEXTENZAinsert · .4 mg · ocular therapeutix, inc.regulator source
- Dexamethasone Intensolsolution, concentrate · 1 mg/mL · hikma pharmaceuticals usa, inc.regulator source
- Seacall Dexamethasone Ointment.ointment · .075 g00g · guangdong quadrant ecological technology co., ltd.regulator source
- OZURDEXimplant · .7 mg · allergan, inc.regulator source
United Kingdom
- Maxitrol eyereference source
- Dexsolreference source
- Maxidexreference source
- Minims dexamethasonereference source
- Tobradexreference source
- Dropodexreference source
- Dexafreereference source
- Eythalmreference source
Canada
- MAXIDEXregulator source
- DEXAMETHASONE-OMEGAregulator source
- DEXAMETHASONE SOD PHOSPH INJregulator source
- DEXAMETHASONE SODIUM PHOSPHATE INJregulator source
- OZURDEXregulator source
- DEXAMETHASONE OMEGA UNIDOSEregulator source
- PMS-DEXAMETHASONE SOD PHOSPHATE INJregulator source
- PMS-DEXAMETHASONE SOD PHOSPHATE DPSregulator source
Australia
- Ozurdexreference source
- Dexmethsonereference source
India
Source-listed products; local stock and regulatory approval have not been confirmed. Check the exact ingredient, strength, and formulation with a pharmacist.
- Demisone TabletTablet · 0.5mg · Cadila Pharmaceuticals Ltdpharmacy source recorded · checked 2026-09-24
- Dexona TabletTablet · 0.5mg · Zydus Healthcare Limitedpharmacy source recorded · checked 2026-09-24
- Decmax 4mg TabletTablet · 4mg · GLS Pharma Ltd.pharmacy source recorded · checked 2026-09-24
- Decdan 0.5mg TabletTablet · 0.5mg · Wockhardt Ltdpharmacy source recorded · checked 2026-09-24
- Auradex 4mg TabletTablet · 4mg · Aureate Healthcare Pvt Ltdpharmacy source recorded · checked 2026-09-24
- Dexam 4mg TabletTablet · 4mg · Getwell Pharma (I) Pvt Ltdpharmacy source recorded · checked 2026-09-24
- Dexzee 4mg TabletTablet · 4mg · Zeelab Pharmacy Pvt Ltdpharmacy source recorded · checked 2026-09-24
Nepal
Source-listed products; local stock and regulatory approval have not been confirmed. Check the exact ingredient, strength, and formulation with a pharmacist.
- DecdanTablet · 0.5mg · Wockhardt Ltd.reference source · checked 2026-09-24
- DecicortTablet · 0.5mg · Galpha Laboratories Ltdreference source · checked 2026-09-24
- DexasoneTablet · 0.5mg · Cadila Pharmaceuticals Limited.reference source · checked 2026-09-24
- DexinTablet · 0.5 MG · Lomus Pharmaceutical Pvt. Ltd.reference source · checked 2026-09-24
- DexonaTablet · 0.5mg · Zydus Pharmaceuticalsreference source · checked 2026-09-24
- WymesoneTablet · 0.5mg · Wyethreference source · checked 2026-09-24
New Zealand
- Dexmethsonereference source
- Dexamethasone Medsurgereference source
- Maxidexreference source
- Ozurdexreference source
View brands in additional countries.
Philippines
Decilone, Drenex