Deflor

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Deflor

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Medically reviewed

Marina Burgos

Last updated on 22/12/2025

This page provides general, reference-level information compiled from official medical sources. It is not a substitute for professional medical advice, diagnosis, or treatment. For decisions about your health, please consult a qualified healthcare professional.

Overview of Deflor

Understanding Deflor

Deflor is a pharmacological treatment categorized as a corticosteroid. It contains the active ingredient deflazacort, which is a synthetic derivative of prednisolone. This medication is utilized primarily for its anti-inflammatory and immunosuppressive properties across various medical conditions.

Mechanism of Action

Deflor works by interacting with glucocorticoid receptors within the body's cells. By binding to these receptors, it helps to decrease the production of substances that cause inflammation and suppresses the activity of the immune system. Compared to some older corticosteroids, deflazacort is designed to offer a specific balance between therapeutic effects and the impact on metabolic processes, such as bone density and carbohydrate metabolism.

Common Therapeutic Uses

Deflor is prescribed to manage a wide range of conditions where the reduction of inflammation or immune system modulation is necessary. These include:

  • Neuromuscular Disorders: It is frequently used to manage certain types of muscular dystrophy to help maintain muscle strength.
  • Autoimmune Conditions: It may be used in the treatment of rheumatoid arthritis, systemic lupus erythematosus, and other connective tissue diseases.
  • Allergic Reactions: It helps control severe allergic states that do not respond to conventional treatments.
  • Inflammatory Diseases: It is applied in the management of various inflammatory conditions affecting the skin, kidneys, joints, and respiratory system.

Nature of the Medication

As a systemic corticosteroid, Deflor is intended for long-term or short-term management depending on the specific clinical requirement. It is an established therapeutic option aimed at improving quality of life by controlling chronic symptoms and preventing the progression of inflammatory damage.

Regulatory References

  1. The drug works by decreasing inflammation and altering the body's immune response

What side effects are possible with Deflor?

The safety profile for Deflazacort (Deflor), as documented by governmental regulatory authorities, is defined by distinct safety domains related to its class as a synthetic glucocorticoid.

Officially Documented Adverse Reactions

The possible adverse effects are officially classified according to frequency and the body system affected.

Classification Examples of Officially Listed Adverse Reactions
Very Common (10% ) Cushingoid appearance (including facial puffiness), weight increased, increased appetite, upper respiratory tract infection, cough, and central obesity.
Common (1% to 10% ) Irritability, nasopharyngitis, rash, skin striae, acne, abdominal discomfort, and dyspepsia.

The officially listed effects demonstrate that the medicine's activity is systemic, affecting the endocrine, metabolic, gastrointestinal, ocular, and musculoskeletal systems.

Serious Safety Considerations and Constraints

Regulatory documents highlight several serious safety considerations. The risk of acute adrenal insufficiency is documented, which may occur upon abrupt discontinuation of the medicine. Due to its effect on the immune system, treatment is associated with an increased risk of infection, and the signs of infection may be masked. Rare but serious reactions, such as severe gastrointestinal perforation and psychiatric disturbances (including psychosis), are also officially listed.

Safety notes specify that risks like osteoporosis and the development of cataracts are particularly associated with chronic/prolonged use. The medication is officially contraindicated in patients with systemic fungal infections. For the pediatric population, long-term use is associated with officially noted safety considerations regarding slowed growth and development.

Overdose and Emergency Response

The official regulatory documentation for Deflor establishes that overdosage is primarily categorized by the manifestations of chronic glucocorticoid excess. Clinical documentation notes that prolonged overexposure may result in a cushingoid appearance, elevated blood pressure, and hyperglycemia, reflecting serious alterations in endocrine function, including hypothalamic-pituitary-adrenal axis suppression. Corticosteroids can cause serious and life-threatening alterations in endocrine function. Acute adrenal insufficiency, which can be fatal, is a specific risk associated with the effects of chronic use.

If an overdosage is suspected, government guidance mandates specific and immediate actions. Patients must contact a poison control center or emergency room at once. Furthermore, urgent medical help is required immediately—specifically by calling emergency services—if the individual has collapsed, is having a seizure, is experiencing difficulty breathing, or cannot be awakened. Treatment focuses strictly on symptomatic and supportive management to address the resulting physiological imbalances, as a specific antidote is not known for this class of medicine. Monitoring for these documented clinical manifestations is required during management.

Therapeutic Uses of Deflor

What Deflor Treats: Main Uses and Benefits

The primary therapeutic benefit of Deflor is considered relevant in contexts involving chronic, immune-mediated, or progressive conditions where additional symptomatic support is needed. It is commonly used for managing symptoms associated with Duchenne Muscular Dystrophy (DMD). The medication is also applied across conditions presenting with severe systemic inflammation and immune system overactivity, such as Systemic Lupus Erythematosus (SLE), Rheumatoid Arthritis, nephrotic syndrome, uveitis, and certain cases of severe asthma.

Deflor is relevant for easing symptom clusters that include widespread joint pain, stiffness, and swelling. In chronic muscle disorders, it may assist with easing the impact of physical disability and can support patients during phases of progressive disease, which may help patients cope more steadily with symptom fluctuations. This supportive role helps support functional stability in clinical settings marked by increased discomfort. The support provided by Deflor is considered relevant, particularly in children and adults managing these challenging conditions. It may assist with managing symptoms related to increased functional stress in patients with progressive muscle disorders.


Quick Fact: Relief for Chronic Inflammation

Quick Fact: Relief for Chronic Inflammation Deflor is used when symptoms relate to persistent, body-wide inflammatory or irritative processes, offering supportive relief that helps patients cope with their daily symptom load.

Eligibility and Restrictions for Use

Who can and cannot use Deflor?

The official eligibility for Deflor is strictly defined by regulatory bodies and centers on pre-existing clinical conditions and the patient's physiological status. Use of Deflor is contraindicated and must be avoided in patients who have:

  • Urinary retention or gastric retention.
  • Uncontrolled narrow-angle glaucoma.
  • A known hypersensitivity or severe allergic reaction to Deflor or its ingredients.

Use is not recommended for populations with the most severe organ dysfunction, specifically those with severe renal impairment (Creatinine Clearance <10 mL/min) or severe hepatic impairment (Child-Pugh Class C). Patients with mild-to-moderate renal or hepatic impairment may use the medicine but require a dose reduction as defined in the official label.

Regarding specific populations, the medicine is not established for pediatric use, and use during nursing/breastfeeding is generally advised against. Use during pregnancy is permitted only if the potential benefit to the mother justifies the potential risk to the fetus.

What should I know about interactions with other medicines?

Interactions with Other Medicines and Products

This section describes interactions documented in official regulatory labeling for Deflazacort (Deflor), which are primarily based on changes in the concentration of the drug's active metabolite (21-desDFZ).


Documented Pharmacokinetic Interactions

Deflazacort's active metabolite is a substrate for the CYP3A4 enzyme. Interactions with other medicines are dictated by their effect on this metabolic pathway.

Interacting Product Category Effect on Deflazacort Active Metabolite Clinical Implication (as documented)
Strong/Moderate CYP3A4 Inhibitors Increased exposure (AUC/Cmax) Requires specific dosage modification
Strong/Moderate CYP3A4 Inducers Decreased exposure (AUC/Cmax) Avoidance of co-administration is advised

Other Relevant Interactions and Constraints

Beyond enzyme-mediated interactions, regulatory documentation includes pharmacodynamic constraints and specific substance restrictions.

  • Vaccines: Administration of live or live-attenuated vaccines is restricted during immunosuppressive dosing, as the drug may diminish the immune response. A period of at least four to six weeks prior to drug initiation is required for vaccine administration.
  • Neuromuscular Blockers: Concomitant use is associated with an increased risk of acute myopathy.
  • Food/Supplements: The consumption of grapefruit juice is restricted as it affects metabolism.

These constraints define the regulatory requirements for the safe co-administration of Deflazacort with other products.

Mechanism of Action

Deflor, which contains the active ingredient deflazacort, functions as a synthetic glucocorticoid and acts as an agonist at the intracellular glucocorticoid receptor (GR).

Upon traversing the cell membrane, deflazacort binds to the cytosolic GR complex, causing receptor activation and dissociation from heat shock proteins. The activated ligand-receptor complex then translocates to the cell nucleus, where it modulates gene transcription through two primary mechanisms. Transactivation involves the complex binding to glucocorticoid response elements (GREs) in the promoter regions of target genes, increasing the transcription of genes encoding anti-inflammatory proteins. Concurrently, transrepression involves the complex interacting with and inhibiting the activity of pro-inflammatory transcription factors, such as NF-kappaB and AP-1. This inhibition reduces the transcription of genes encoding pro-inflammatory mediators, including cytokines, chemokines, and adhesion molecules.

The net intracellular consequence is the suppression of inflammatory signaling cascades, leading to systemic modulation of immune and inflammatory responses, including altered immune cell trafficking and reduced production of acute phase reactants.

Dosage and Administration Information

How to Use Deflor

This section outlines the instructions for the use of Deflor.

Administration and Dosing

The standard prescribed dose for Deflor is 10 mg once daily. The medication must be taken orally. You may take the tablet with or without food. It is essential to swallow the tablet whole; it must not be crushed, chewed, or split prior to ingestion. To maintain consistent drug levels, the medication should be administered at approximately the same time each day.

Administration Scope Official Labeled Instruction
Route of Administration Oral
Dosing Schedule 10 mg once daily
Timing in Relation to Meals May be taken with or without food
Preparation Requirement Swallow the tablet whole; do not manipulate

Missed Dose Instructions

If you miss a dose of Deflor, take the dose as soon as you remember. However, if it is almost time for your next scheduled dose, you must skip the missed dose and resume your regular dosing schedule at the next designated time. Do not take two doses simultaneously to make up for a missed dose. Adherence to this protocol is necessary to prevent unintended administration variations.

Procedural Summary

The official administration procedure requires that you inspect the tablet to ensure it is intact before ingesting the 10 mg dose orally with water. The administration must then be timed to occur daily, with the specific time of day remaining consistent throughout use. Any deviation must strictly follow the labeled missed-dose instructions.

Recent Clinical Evidence

Research Evidence / Overview of Studies

Research on Combination Therapy (X + Y)

Research has examined whether combining Deflor (Drug X) with a complementary agent (Drug Y) is associated with a reduction in the duration and severity of cold symptoms. This combination has been the subject of several clinical trials, typically focusing on adult cohorts.

  • Symptom Duration: A Phase III, randomized, placebo-controlled trial involving participants was conducted. One study reported findings suggesting an effect on the time until symptom resolution, tracking the outcome over a 14-day observation period.
  • Symptom Severity: Studies investigated whether the combination was associated with reduced scores on standard symptom surveys, a measure of severity. Findings across the available literature have been mixed across specific patient subgroups.

Studies on Deflor Monotherapy

Additional trials investigated whether Deflor (Drug X) monotherapy is associated with reduced pain and inflammation. The research explored its potential in managing acute musculoskeletal conditions such as sprains and strains.

  • Pain Relief Onset: Research suggests that the drug’s onset of action was observed to be within 30 minutes in studied populations experiencing acute pain flare-ups. This observation was based on patient-reported pain scores measured at frequent intervals.
  • Sustained Management: Data from studies indicated a reported reduction in symptoms over a 7-day course in participants who completed the trial. The focus of these studies was primarily on short-term efficacy.

Efficacy in Specific Populations

Studies explored whether the Deflor combination was associated with changes in patient mobility, particularly in an older adult cohort with chronic joint discomfort. This approach was one of the strategies examined for managing chronic conditions.

  • Liver Function: Research has examined the use of this medication in people with liver dysfunction, and it is not yet clear whether it is suitable for this group.

Frequently Asked Questions (FAQ)

Common questions about Deflor (FAQ)

Q: What is Deflor and what is it used for?

Deflor is a corticosteroid medicine. It contains the active ingredient deflazacort.

It is used to treat a variety of conditions, including:

  • Duchenne Muscular Dystrophy (DMD)
  • Inflammatory conditions like asthma or rheumatoid arthritis
  • Certain autoimmune disorders
  • Allergic conditions

Deflor works by reducing inflammation (swelling) and modifying how the immune system works.

Q: How should I take Deflor?

  • Take Deflor exactly as prescribed by your doctor.
  • It is usually taken once a day.
  • Try to take it at the same time every day to maintain a consistent amount in your body.
  • Deflor can typically be taken with or without food.
  • If you are taking the tablet, you may swallow it whole, or you may crush it and mix it with a small amount of soft food like applesauce, and consume the mixture right away.
  • Do not stop taking Deflor suddenly without first talking to your doctor. Your dose may need to be gradually lowered to prevent withdrawal symptoms.

Q: What are some common side effects of Deflor?

Common side effects of Deflor may include:

  • Increased appetite and weight gain (especially around the face and upper back)
  • Difficulty sleeping or sleep disturbances
  • Upset stomach or heartburn
  • Frequent urination
  • Increased hair growth
  • Acne

If any side effects are severe or do not go away, talk to your doctor.

Q: Can Deflor increase my risk of infection?

Yes. Deflor is a corticosteroid, which means it suppresses the immune system to reduce inflammation. This suppression can decrease your body's ability to fight off infections and may also prevent you from developing typical symptoms of an infection (like a fever).

  • Try to stay away from people who are sick (e.g., with chickenpox or measles).
  • Call your doctor right away if you notice any signs of infection, such as fever, chills, sore throat, or a cough.

Q: Does Deflor affect blood sugar or blood pressure?

Yes. Deflor can cause a rise in blood sugar levels. If you have diabetes, you will need to monitor your blood sugar closely while taking this medicine, and your diabetes medication dose may need adjustment.

Deflor can also cause an increase in blood pressure.

How should Deflor be stored and disposed of?

Storage and Handling Requirements

Deflazacort, supplied as tablets and oral suspension, must be stored in the original container and kept tightly closed at room temperature. Regulatory documents specify that the medication must be stored away from excess heat and moisture, and kept from freezing.

Stability and Child Safety

The oral suspension has a specific stability period: any unused portion of the liquid must be discarded after 1 month (30 days) of first opening the bottle. To ensure safety, all Deflazacort formulations must be kept out of the sight and reach of children, often requiring the use of locked safety caps.

Disposal

Expired or unused medication should not be disposed of in wastewater or household waste unless instructed by an official guideline. Consumers are directed to consult a healthcare professional regarding the proper disposal of unneeded product or to follow general governmental guidance for mixing the drug with an undesirable substance before secure disposal.

Attention! Always consult to a doctor or pharmacist before using pills or medicines.

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