Hydrocortancyl 2.5%

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Medically reviewed

Rosario Oropesa

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 Hydrocortancyl 2.5%

Property Description
Active Ingredient Prednisolone acetate
Form Sterile suspension for injection
Concentration 2.5% (2.5g per 100mL)
Pharmacological Class Glucocorticoid (Corticosteroid)
Administration Local injection (e.g., intra-articular)
Rx Status Prescription Only

Hydrocortancyl 2.5% is a prescription-only medication that contains the active ingredient prednisolone acetate at a concentration of 2.5%. It is specifically formulated as a sterile, microfine suspension for injection, which is key to its sustained action. The suspended particles of the drug are designed to be slowly released into the targeted area after injection, providing a prolonged local effect.

The active molecule, prednisolone, is classified as a synthetic glucocorticoid within the broader family of corticosteroids. This pharmacological class is clinically recognized for its potent anti-inflammatory and immunosuppressive effects. The medicine works by controlling the body’s inflammatory response, helping to reduce swelling, redness, and pain at the site of administration.

This product is generally intended for local administration, typically via injection directly into a joint (intra-articular) or into the tissue surrounding a joint (periarticular). This method of delivery allows for a high concentration of the active ingredient directly at the site of inflammation. A common therapeutic scenario involves using this product to rapidly manage acute flare-ups of conditions like rheumatoid arthritis or severe osteoarthritis, providing substantial local symptomatic relief.

Regulatory References

  1. Corticosteroid Adverse Effects (StatPearls)

What side effects are possible with Hydrocortancyl 2.5%?

Possible side effects and safety information

The safety profile for this prescription medication, containing the glucocorticoid prednisolone acetate, involves both reactions at the injection site and potential systemic effects due to absorption, as documented in official regulatory labeling.


Officially Documented Adverse Reactions

Adverse reactions are formally categorized by frequency and the physiological systems affected.

  • Common Reactions: Reactions at the injection site are frequently documented with corticosteroid suspensions. These include localized pain, burning, and skin changes such as dermal atrophy (a localized thinning or depression of the skin).

  • Systemic Effects: Although administered locally, the medication carries the risk of systemic glucocorticoid effects due to absorption. These effects are documented across multiple System-Organ Classes, including the Musculoskeletal System (e.g., osteoporosis), the Endocrine System (e.g., suppression of the HPA axis), and Metabolism and Nutrition (e.g., fluid retention, altered glucose tolerance).


Serious Adverse Reactions and Safety Constraints

Official labels identify certain serious or clinically significant risks.

  • Serious Adverse Reactions: Rare but documented risks include acute adrenal insufficiency (following HPA axis suppression) and severe anaphylactic or hypersensitivity reactions.

  • Duration and Population Safety: The risk of many systemic effects, such as HPA suppression and cataracts, is officially noted to be associated with prolonged or repeated use. Specific safety considerations are included for the pediatric population regarding potential impacts on growth and development.

  • Contraindications: The medication is formally contraindicated for use in patients with systemic fungal infections and in those with known hypersensitivity to the components. The regulatory labeling strictly limits administration to approved routes and prohibits uses such as intrathecal injection.

Overdose and Emergency Response

Overdose and When to Seek Help

Overdosage of prednisolone acetate, particularly resulting from chronic overexposure, is generally documented in regulatory sources as a risk for developing signs of hypercorticism. This condition is associated with documented clinical manifestations that include fluid retention, elevated blood pressure (hypertension), and hyperglycemia (high blood sugar). While acute overdosage is often not expected to be life-threatening, it may lead to an increased severity of expected glucocorticoid adverse effects, such as neuropsychiatric disturbances or electrolyte imbalance.

Serious Manifestations and Immediate Action

Regulators define specific outcomes and symptoms that require immediate medical intervention. Serious documented outcomes include the risk of Acute Adrenal Insufficiency (following abrupt cessation), gastrointestinal perforation and hemorrhage, and convulsions. Elderly patients may be at greater risk for systemic exposure complications due to differences in metabolic clearance.

You must seek immediate medical attention for any suspected overexposure. Contact emergency services immediately if severe, life-threatening symptoms are experienced, such as seizures or any signs of internal bleeding. No specific antidote is known for glucocorticoid overdose. Treatment is focused on providing symptomatic and supportive care, which often mandates hospital monitoring of vital signs, blood glucose, and serum electrolyte levels.

Therapeutic Uses of Hydrocortancyl 2.5%

What Hydrocortancyl 2.5% Treats: Main Uses and Benefits

This medication is commonly used to help with symptoms related to inflammatory or irritative states affecting the skin. It is relevant for addressing the inflammatory and pruritic manifestations of corticosteroid-responsive dermatoses. This covers conditions where there is significant redness, swelling, and severe itching, such as acute episodes of eczema, dermatitis, and allergic skin reactions. It is often applied during phases when symptoms become more noticeable and disruptive.

“This level of treatment is relevant for easing intense symptomatic discomfort associated with significant skin flares.”

The medication is applied in clinical settings that involve acute or disruptive symptom patterns, providing supportive symptomatic assistance to help reduce the most visible physical signs of irritation. This support contributes to improved comfort during periods of heightened symptoms, helping patients cope more steadily with difficult episodes.

Quick Fact: Focus on Intense Itching and Swelling

This is commonly used across conditions characterized by episodic or fluctuating manifestations, assisting with functional comfort when the symptom burden is temporarily overwhelming.

Regulatory References

  1. DailyMed (NIH/FDA) information on Hydrocortisone Cream

Eligibility and Restrictions for Use

Eligibility for Hydrocortancyl 2.5% (Prednisolone Acetate Injection)

The official eligibility criteria for Hydrocortancyl 2.5% strictly define who can and cannot receive this medication, primarily based on contraindications and mandated restrictions.

Absolute Non-Eligibility (Contraindications)

This medication is contraindicated and must not be administered to individuals with known hypersensitivity to prednisolone acetate or excipients. Patients with systemic fungal infections or specific evolving viral diseases (such as herpes or shingles) are also ineligible. Use is strictly contraindicated in neonates and premature infants due to an excipient (benzyl alcohol).

Procedural and Conditional Restrictions

Hydrocortancyl 2.5% must not be administered via intravenous (I.V.), intramuscular (I.M.), or intra-tendinous routes. Use is also contraindicated for specific epidural injection approaches. Patients with pre-existing conditions like diabetes, severe arterial hypertension, or evolving cardiovascular disease require special caution and surveillance, as local injection may destabilize these underlying conditions.

Pregnancy and Lactation

Official labeling defines eligibility during pregnancy as conditional, permitting use only if the potential benefit outweighs the potential risk. Breastfeeding mothers require a formal decision to discontinue nursing or discontinue the drug due to potential serious effects on the infant.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Hydrocortancyl 2.5% (prednisolone acetate), a corticosteroid, may interact with several medicinal products. These interactions are primarily tied to the potential for systemic absorption, which influences the body's natural processes and response to other treatments.

Key Interacting Medicinal Products and Substances

Official regulatory information highlights the need for caution and monitoring when this product is used concurrently with specific classes of drugs:

  • Potassium-Depleting Agents: Co-administration with agents such as certain diuretics or Amphotericin B injection may cause or worsen low blood potassium levels (hypokalemia), necessitating close clinical and laboratory observation.
  • CYP3A4 Enzyme Inducers: Drugs like Aminoglutethimide may decrease the effectiveness of the corticosteroid, potentially leading to a loss of the desired effect.
  • Anticoagulants: The effects of blood thinners, such as Warfarin, may be altered. Patients require careful monitoring of blood clotting parameters to manage this interaction.
  • Immunological Agents and Vaccines: This product is not to be used with live or live-attenuated vaccines. The immunosuppressive nature of corticosteroids creates a restriction against receiving such vaccines during treatment.

Procedural Constraints and Monitoring

Patients with diabetes may require adjustments to their glucose-lowering medications due to the corticosteroid's potential to affect blood sugar control. The overall interaction profile requires healthcare professionals to assess the risks of systemic exposure and implement appropriate monitoring, including checks for electrolyte imbalance, whenever co-administration with these high-risk agents is necessary.

Mechanism of Action

How Hydrocortancyl 2.5% Works: Mechanism of Action

The active drug, prednisolone, readily enters cells and acts as an agonist for the intracellular Glucocorticoid Receptor (GR) in the cytosol. The activated drug-receptor complex then translocates to the cell nucleus to modulate gene activity.

This genomic regulation operates via transrepression to suppress the genes for pro-inflammatory mediators (such as cytokines and COX-2) and via transactivation to increase genes for anti-inflammatory proteins (such as Lipocortin-1), dampening the entire inflammatory cascade.

This mechanism alters the activity of immune cells and decreases capillary permeability and vasodilation, resulting in altered tissue fluid dynamics, decreased vascular response, and modulation of cellular movement. Additionally, GR agonism promotes gluconeogenesis and protein catabolism, contributing to systemic shifts in carbohydrate and protein balance.

Dosage and Administration Information

How to Use Hydrocortancyl 2.5%

This section describes the administration and dosing guidelines for Hydrocortancyl 2.5% (prednisolone acetate 2.5% sterile suspension for injection).


Administration Scope

The medicine is strictly intended for local injectable routes only, including intra-articular, peri-articular, soft tissue, and intralesional injections. It is not adapted for inhalation via nebulizer.

Instruction Detail
Route of Administration Local Injectable Routes only.
Dosing Rules (Adults) Standard dose range per site is 0.5 mL to 2 mL (12.5 mg to 50 mg) of prednisolone acetate. The 2 mL volume is the maximum allowed per single injection site.
Frequency Pattern Intermittent, based on the re-emergence or persistence of symptoms.

Procedural and Preparation Requirements

As a suspension, the product must be homogenized by shaking immediately before drawing and administration to ensure uniform dosing. Administration technique requires avoiding a too superficial placement of the injection, which is a guideline for proper local administration.

Step Sequence Summary:

  • Confirm the correct sterile suspension form and 2.5% concentration.
  • Homogenize the suspension by shaking thoroughly before use.
  • Determine the dose volume within the 0.5 mL - 2 mL range per site.
  • Administer via an approved Local Injectable Route, ensuring the placement is not superficial.
  • Re-administer only when symptoms re-emerge or persist.

This protocol defines the standardized, non-systemic approach to using the medication.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Hydrocortancyl 2.5% Outline


Evidence for Use in Degenerative Joint Conditions (e.g., Osteoarthritis)

Research has primarily focused on the use of long-acting injectable corticosteroids, the pharmacological class to which this medication belongs, in patients with osteoarthritis, a condition marked by functional limitations and periods of heightened symptom activity in the joints. The main body of research includes Randomized Controlled Trials (RCTs) and comprehensive meta-analyses that synthesize these trial findings. These studies were conducted during periods of increased symptom activity, and researchers monitored patient-reported discomfort and mobility over defined time intervals.

Studies examined outcomes related to patient-reported outcomes describing perceived discomfort and daily functioning or activity level. Short-term research, typically tracking patients for the first few weeks, described patterns observed in the studies related to a temporary shift in pain scores and functional assessments. The evidence base used for regulatory assessments of short-term measured changes is commonly cited as having a High level of certainty regarding the research design due to the number of available RCTs.

Research findings describe that the duration of the measured patterns, when observed, is often short-lived. Long-term effects are not fully established, and there is limited information to understand if using the injection affects the structure of the joint over many years.


Evidence for Use in Chronic Inflammatory Joint Conditions

Injectable corticosteroids was evaluated in studies focusing on localized symptoms associated with chronic inflammatory conditions like Rheumatoid Arthritis (RA). Research examined the use of the injection in scenarios involving episodic or acute changes when symptoms become more noticeable in a specific joint. Systematic reviews and clinical trials monitored changes in the size of localized swelling and joint tenderness.

These studies reported how symptoms evolved in the observed populations, specifically looking at local physical signs of inflammation. The evidence for evaluating localized symptomatic changes over a short-to-intermediate timeframe is often cited as having a Moderate level of certainty.

Data for certain groups remain insufficient, and research does not determine whether the injection has an impact on the progression of the systemic disease itself, as its effect is concentrated on the specific site of administration.

Frequently Asked Questions (FAQ)

Common questions about Hydrocortancyl 2.5% (FAQ)


Q: What conditions is Hydrocortancyl 2.5% typically authorized or approved to treat?

A: Official regulatory documents indicate this injection is authorized for a wide range of localized inflammatory and rheumatological conditions. This includes intra-articular injections for conditions such as inflammatory arthritis and advanced osteoarthritis. It is also approved for periarticular injections for conditions like tendinitis or bursitis, and for intralesional use in certain dermatological conditions.


Q: Is Hydrocortancyl 2.5% considered a strong, medium, or mild steroid medicine?

A: The active ingredient, prednisolone, is classified as a glucocorticoid. Official information shows that prednisolone has an anti-inflammatory potency that is 3 to 5 times greater than hydrocortisone, classifying it in a higher-potency category of corticosteroids.


Q: What are the signs of systemic absorption of the medicine through the skin?

A: Although this medicine is administered locally via injection, systemic absorption can occur, particularly with repeated or prolonged use. Signs that may indicate systemic effects include fluid retention, muscle weakness, or changes in fat distribution (sometimes called 'moonface' or 'buffalo hump'). Long-term systemic effects could also include mood changes or altered blood sugar control.


Q: Is 'Topical Steroid Withdrawal' described as a possible reaction upon stopping the medicine?

A: Official warnings caution against the sudden discontinuation of systemic corticosteroid therapy, especially after prolonged use, due to the risk of adrenal insufficiency. Abrupt stopping can also lead to withdrawal symptoms like rebound inflammation, fatigue, joint pain, and weakness. Decisions regarding the continuation or discontinuation of the medication are made by a healthcare provider.


Q: Is there a concern about using this medicine on the face or near the eyes?

A: This injectable suspension is strictly limited to local injectable routes (e.g., intra-articular or soft tissue) and is not approved for ophthalmic use. Official labeling for related corticosteroid products warns that prolonged use near the eyes can increase the risks of conditions such as glaucoma (high pressure in the eye) and cataract formation.


Q: Can using Hydrocortancyl 2.5% increase the risk of getting a skin infection?

A: Corticosteroids generally have immunosuppressive effects, meaning they can suppress the body's natural defense against infection. Official documents warn that this effect can increase the risk of infection by various pathogens, including viral, bacterial, and fungal agents. The product is also contraindicated for injection into an already infected joint.


Q: Is there a risk of developing permanent marks like stretch marks from using this medicine?

A: Regulatory safety information lists local skin thinning, known as dermal atrophy, as a common reaction at the injection site. Striae distensae (stretch marks) are a recognized risk associated with the use of exogenous corticosteroids due to effects on the skin's connective tissue.


Q: Are there specific areas of the body where the skin absorbs the medicine more easily?

A: Official warnings for similar injectable steroids indicate that the drug's effect and potential for localized adverse reactions can vary by injection site. For example, injection into certain muscle groups, such as the deltoid, may be discouraged due to a higher risk of localized tissue wasting.


Q: How quickly do official sources say the drug typically begins to have an effect?

A: According to pharmacological studies, the onset of action for this specific acetate suspension formulation is gradual and site-dependent. This is a suspension designed for sustained local effect, and the anti-inflammatory action typically begins to be noted over approximately 24 to 48 hours.


Q: How long after application might the effects of the medicine last?

A: The active molecule, prednisolone, has a biological half-life of 18 to 36 hours. Clinical studies suggest that the duration of efficacy against pain and inflammation may last for a period of at least six weeks following injection, though the measured clinical response may be short-lived.


Q: Does Hydrocortancyl 2.5% interact with common over-the-counter pain relievers or supplements?

A: Regulatory information warns that using corticosteroids concurrently with Nonsteroidal Anti-inflammatory Drugs (NSAIDs), such as ibuprofen or aspirin, may significantly increase the risk of serious gastrointestinal side effects. These risks include inflammation, bleeding, or ulceration of the stomach lining. This information highlights the importance of discussing all medications and pain relief options with a healthcare provider.


Q: What is the official regulatory classification of the therapeutic benefit provided by this drug?

A: Regulatory authorities classify the benefit of medicines based on defined criteria. For this product, official assessments have indicated a Substantial Actual Benefit (AB) for most authorized uses. However, the Clinical Added Value (CAV) may be classified as No clinical added value when compared to certain existing treatment options.

How should Hydrocortancyl 2.5% be stored and disposed of?

How to Store and Dispose of Hydrocortancyl 2.5%

The official labeling for prednisolone acetate suspension requires specific storage conditions to maintain product stability and sterility.

Mandatory Storage Constraints

The medication must be stored at Controlled Room Temperature, which is generally 20 C to 25 C (68 F to 77 F). The product must be protected from freezing, as this can compromise the suspension's effectiveness. The container should be kept tightly closed and stored in an upright position.

Stability and Safety

For patient safety, the product must be stored out of the reach of children. Once the sterile container is first opened, the product has an in-use stability period and must be discarded after 28 days, regardless of how much medicine remains.

Disposal Instructions

Disposal of any unused or expired suspension must be conducted in accordance with local regulations for pharmaceutical waste. The medication must not be poured into drains or thrown into the household trash unless directed by official disposal programs.

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

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