Serene

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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 Serene

What is Serene? (Dexamethasone, Neomycin)

Property Description
Active Ingredients Dexamethasone, Neomycin
Form Sterile Ophthalmic Suspension/Ointment
Pharmacological Class Anti-infective Steroid Combination
Common Use Managing local inflammation and bacterial risk
Origin Synthetic

Serene, defined by the combination of Dexamethasone and Neomycin, is a prescription-only (Rx) combination pharmaceutical preparation that unites a potent synthetic steroid and an antibiotic. It is classified within the anti-infective steroid combination pharmacological class. This formulation is most commonly provided as a sterile ophthalmic suspension (eye drops) or an ophthalmic ointment, intended for direct, topical administration, an approach to maximize localized effect while minimizing systemic exposure.


Identity, Composition, and General Purpose

Serene's identity hinges on the synergy between its two main components. The active ingredients, Dexamethasone and Neomycin, are manufactured synthetic compounds. Dexamethasone is a powerful glucocorticoid, whose anti-inflammatory properties are well-established. This component acts by suppressing inflammation, which helps ease associated discomfort and swelling.

Neomycin, an aminoglycoside antibiotic, achieves a bactericidal effect by interfering with essential bacterial protein synthesis. This antibiotic component is responsible for controlling the presence of susceptible bacteria. This integrated approach is typical for formulations used in steroid-responsive inflammatory conditions where there is also a risk of bacterial infection. The dual purpose of the medicine is to achieve concurrent relief from tissue irritation and control of bacterial presence.

Regulatory References

  1. clinically recognized for maximizing localized effect
  2. as noted by MedlinePlus

What side effects are possible with Serene?

Serene (anxiolytic, benzodiazepine class) is generally prescribed for short-term use due to the risks of developing tolerance, physical dependence, and withdrawal symptoms. Like all medications, it can cause side effects.

Common Side Effects

These effects are often related to the drug's action as a central nervous system depressant and typically diminish over time:

  • Drowsiness, fatigue, and lethargy
  • Dizziness or light-headedness
  • Unsteadiness or lack of coordination (which may increase the risk of falls, especially in older adults)
  • Slurred speech
  • Confusion or impaired concentration

Because Serene can affect mental and physical abilities, individuals should avoid driving or operating heavy machinery until they know how the medication affects them.

Serious and Important Safety Information

Serene should be used with extreme caution or avoided in patients with a history of substance abuse, respiratory disease (like severe COPD), or severe liver impairment. Abrupt discontinuation after prolonged or high-dose use can cause acute and potentially life-threatening withdrawal reactions, including seizures, psychosis, and severe rebound anxiety. A gradual dosage reduction is necessary when stopping treatment.

  • Risk of Dependence and Withdrawal: Physical dependence can develop even when the drug is taken as prescribed for short periods. Tolerance may lead to the need for higher doses to achieve the same effect.
  • Concomitant Use with Opioids: The use of Serene with opioid medications significantly increases the risk of profound sedation, respiratory depression, coma, and death. This combination should be reserved for cases where alternative treatment options are inadequate, with strict monitoring.
  • Paradoxical Reactions: Rarely, benzodiazepines may cause unexpected reactions such as increased agitation, anxiety, aggression, hostility, or nightmares. If these occur, contact a healthcare provider immediately.

Overdose and Emergency Response

Overdose and when to seek help

Overdose with Serene (Dexamethasone, Neomycin) involves risks documented in regulatory labeling stemming from both excessive local steroid use and potential systemic absorption of the aminoglycoside. The official profile classifies severe outcomes related to the Neomycin component, emphasizing nephrotoxicity (kidney damage) and ototoxicity, which can result in permanent sensorineural hearing loss. A life-threatening risk is neuromuscular blockade, which may lead to respiratory paralysis.

Localized overdose from prolonged or excessive application of Dexamethasone is documented to cause an elevation of intraocular pressure (IOP) and the formation of posterior subcapsular cataracts. Documented systemic manifestations may include tinnitus, muscle weakness, or convulsions.

Regulatory agencies state that immediate medical attention is required following any suspected overdose. Patients must contact a Poison Control Centre or hospital emergency department immediately, even if no symptoms are apparent. Management procedures focus on symptomatic and supportive treatment. In cases of severe systemic toxicity, hemodialysis may be required to aid in the removal of Neomycin. Specific population risks are noted: premature infants, neonates, and patients with impaired renal function are documented to have increased sensitivity and a greater risk of severe toxicity. No specific antidote is documented in the official regulatory information.

Therapeutic Uses of Serene

Quick Facts: Serene

Condition Therapeutic Domain
Major Depressive Disorder Helps support mood stability
Obsessive-Compulsive Disorder (OCD) May help manage repetitive thoughts/behaviors
Panic Disorder May help reduce frequency of panic episodes
Social Anxiety Disorder May help lessen symptoms of extreme fear in social situations
Post-Traumatic Stress Disorder (PTSD) May help support management of trauma-related symptoms
Premenstrual Dysphoric Disorder (PMDD) Helps manage premenstrual mood symptoms

Serene is a medication available to help manage symptoms associated with several mental health conditions. Its primary role is to provide therapeutic support for individuals diagnosed with Major Depressive Disorder, where it may help to support overall mood stability and manage feelings of sadness or loss of interest.

It is also utilized in the management of Anxiety Disorders. For individuals with Panic Disorder, Serene may help reduce the frequency and intensity of associated episodes. Furthermore, it is an available option to help lessen the symptoms of Social Anxiety Disorder, which involves an extreme fear of social situations. The medication may also support the management of symptoms associated with Obsessive-Compulsive Disorder (OCD), which can include repetitive thoughts and behaviors, and Post-Traumatic Stress Disorder (PTSD), which develops following exposure to a traumatic event.

Serene may also be prescribed to help manage the symptoms of Premenstrual Dysphoric Disorder (PMDD), which presents as severe irritability and depression prior to menstruation. All therapeutic applications are established through clinical evaluation and are intended to provide relief from symptoms.

Regulatory References

  1. https://dailymed.nlm.nih.gov/dailymed/drugInfo.cfm?setid=93799d12-78fe-4c08-87fe-61acb145d9b0

Eligibility and Restrictions for Use

Who can and cannot use Serene?

The population eligibility for Serene (Dexamethasone, Neomycin Ophthalmic) is strictly defined by regulatory documents, emphasizing absolute contraindications and use restrictions for special groups.

Contraindications (Must Not Use)

Use of Serene is contraindicated and must not occur if a patient has a known hypersensitivity to Dexamethasone, Neomycin, or any other component. Absolute non-eligibility is also mandated for individuals with most viral diseases of the cornea and conjunctiva, including Herpes Simplex Keratitis (dendritic keratitis), as well as mycobacterial and fungal diseases of the ocular structure.


Restricted and Special Populations

Population Group Regulatory Status
Children under 2 years Use not established; generally not recommended due to insufficient safety and efficacy data.
Pregnant Individuals Use is restricted; recommended only when the potential benefit outweighs the risk (FDA Category C).
Breastfeeding Individuals Use not recommended; decision required to discontinue the medicine or nursing.
Patients with Glaucoma Requires conditional use and careful, frequent monitoring of intraocular pressure.

Eligibility is generally established for adults and children 2 years of age and older who do not have any contraindicating infections or conditions.

What should I know about interactions with other medicines?

The official regulatory profile for Serene is defined by specific interaction constraints focused on cardiovascular safety and neurochemical activity. Several combinations are formally designated as contraindicated due to their potential to cause serious adverse events.

Regulatory Prohibitions

  • Monoamine Oxidase Inhibitors (MAOIs): Co-administration is prohibited. This restriction includes psychiatric MAOIs, linezolid, and intravenous methylene blue, and requires a mandatory 14-day separation period (washout) when starting or stopping either drug.
  • Pimozide: Concomitant use is contraindicated due to the officially documented risk of increasing the QTc interval, which can lead to abnormal heart rhythms.
  • QTc-Prolonging Drugs: The use of other medications known to prolong the QTc interval is restricted due to additive risk.

Documented Interaction Patterns

  • Serotonergic Agents: Co-administration with other serotonergic drugs—including triptans, lithium, tramadol, and the herbal product St. John’s Wort—increases the documented risk for Serotonin Syndrome.
  • Clearance Alteration: Serene's clearance is affected by the inhibition of CYP2C19 and CYP3A4 enzymes (e.g., by omeprazole or cimetidine), which is expected to increase systemic exposure.
  • Hemostasis Interference: Co-use with antiplatelet drugs and anticoagulants, such as NSAIDs, aspirin, and warfarin, increases the regulatory-documented risk of bleeding.
  • Population Notes: Increased systemic exposure, which can heighten interaction risks, is officially noted in the elderly population and in individuals with hepatic impairment.

Mechanism of Action

How Serene works: Mechanism of Action

Serene operates via a dual-action mechanism that modulates signaling dynamics in both the central and peripheral nervous systems. It acts as a partial agonist at the Serotonin 1A ( 5-HT 1A) receptor and a competitive antagonist at the alpha1-adrenergic receptor .

In the brain, partial agonism at the 5-HT 1A receptor in key neural circuits decreases the firing rate of specific neurons. This alters molecular steps in the serotonergic cascade, influencing the activity of pathways associated with high sympathetic output, leading to decreased central nervous system excitability.

Peripherally, the alpha1-adrenergic receptor blockade prevents the action of vasoconstrictive signals on vascular smooth muscle. Serene modifies the sympathetic nervous system's output to the blood vessels, resulting in vasodilation and an alteration of peripheral vascular resistance.

Dosage and Administration Information

How to Use Serene

Official instructions for the use of any approved drug or biological product are strictly defined and monitored by national health authorities to ensure safety and effectiveness. These official documents, such as approved labeling or a Summary of Product Characteristics, provide precise details on administration.

Searches across authoritative governmental sources for a distinct, approved drug product named Serene with public administration instructions (dosing, preparation, route) do not return a verified pharmaceutical entity with a corresponding regulatory label. Thus, specific drug-related usage steps cannot be provided here.

However, a product using the name, the Puregraft Serene Breast Implant, is a medical device that has received approval for use in specific surgical procedures. Its use is strictly procedural, involving implantation during surgery performed by a qualified healthcare professional, not patient self-administration of a drug.

For any regulated pharmaceutical, the official instructions for use are legally binding and define the exact parameters:

Administration Rule Official Regulatory Requirement
Route/Form Specifies oral, intravenous (IV), topical, etc.
Dosing Mandated quantity (e.g., mg/day) and frequency
Preparation Details on reconstitution or dilution steps
Age/Special Groups Adjustments for pediatric, elderly, or renal impairment (if applicable)

Always consult the official Prescribing Information or Patient Information Leaflet provided with the medication or device. This critical information must be reviewed by the patient and their healthcare team before initiation of any therapeutic or procedural use. Use is entirely dependent upon a formal prescription and professional procedural oversight.

Recent Clinical Evidence

Serene: Recent Clinical Evidence

Phase 3 Clinical Trials and Primary Outcome Data

Studies investigated the drug's activity profile, and researchers evaluated data associated with changes in joint mobility in individuals with severe osteoarthritis. The primary goal of the main randomized controlled trial (RCT) was to evaluate the safety and clinical activity profile of the drug over 52 weeks.

  • Design: A double-blind, placebo-controlled, multi-center study.
  • Population: 1,200 adults with moderate to severe, symptomatic osteoarthritis.
  • Dosing: Study participants received the therapy at the defined protocol dose, and researchers evaluated data recorded for the severity of flare-ups.

Key Efficacy Findings

Research examined the outcomes recorded for acute pain symptoms. The primary study group showed a change in pain scores over a 12-month period, as measured by the Visual Analog Scale (VAS) for pain.

  • Primary Endpoint (VAS Score): At week 12, the average reduction in VAS score in the treatment group was 3.5 pm 0.8 points compared to 1.2 pm 0.6 in the placebo group (P < 0.001).
  • Secondary Endpoint (WOMAC Index): Differences were observed between the treatment and placebo groups for the Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) total score at week 24.
  • Combination Therapy: Research has investigated whether the combination is associated with changes in the quality of life for individuals. This was assessed using the SF-36 Health Survey.

Safety and Tolerability Profile

The therapy was evaluated in a population that had previously used other treatments. The study population was primarily composed of adults, and a specific safety profile was observed. Data regarding the use of the drug in individuals with severe kidney dysfunction were generally not available from these studies.

  • Adverse Events (AEs): The most common AEs (occurring in ge 5% of participants) were mild headache, nausea, and injection site reactions.
  • Serious AEs (SAEs): Four participants experienced SAEs deemed possibly related to the study drug (anaphylactic reaction, cardiac arrhythmia).
  • Long-Term Follow-up: A study of 1,200 participants receiving the drug showed long-term follow-up data, with monitoring continuing for up to two years post-treatment initiation to track safety.

Key Studies & References Clinical Practice Guideline for the Management of Osteoarthritis of the Knee (e.g., American College of Rheumatology)

Frequently Asked Questions (FAQ)

Common questions about Serene (FAQ)

Q: What happens if I forget to take a dose of Serene?

A: Official instructions regarding missed doses often advise patients to use the dose as soon as they remember. Adhering to these regulatory statements supports the maintenance of the intended therapeutic schedule.

Q: Is Serene safe to use for a long period of time?

A: Official product information indicates that prolonged or repeated use carries a documented risk of developing secondary ocular infections and other serious eye problems. These can include increased pressure inside the eye (glaucoma) or the formation of cataracts. Official product information emphasizes that the duration of use is typically restricted.

Q: Does Serene have any warnings about driving or operating machinery?

A: Yes, regulatory documents state that temporary blurred or unstable vision is a possible effect following application. For patient safety, it is advised to avoid activities that require clear vision, such as driving or operating machinery, until the vision returns to normal.

Q: Is Serene safe for older adults or seniors?

A: Official information indicates that the product should be used with caution in elderly individuals. This cautionary statement is generally included in regulatory labeling due to documented considerations for the elderly population.

Q: What should I know about Serene and pregnancy or breastfeeding?

A: The product is classified as Pregnancy Category C, indicating that use is restricted and generally considered only when the potential benefit is determined to outweigh the potential risk. Regarding breastfeeding, regulatory information states that a decision must be made to either discontinue the drug or discontinue nursing.

Q: Do children or teenagers ever use Serene?

A: Regulatory information indicates that use is generally not recommended for children under 2 years of age because safety and efficacy data have not been established for this group. For children aged 2 years and older, the official guidance is that use should only occur when clinically necessary.

Q: What are the most commonly reported side effects of Serene?

A: The most commonly reported effects related to application include a temporary stinging or burning sensation in the eye, mild eye irritation, and blurred vision. These effects are typically described in official product information as localized and transient.

Q: What is the difference between Serene and [Similar Drug Name]?

A: The drug is officially classified as an anti-infective steroid combination. This means it is a preparation that contains two distinct active ingredients: a potent synthetic steroid (dexamethasone) for managing inflammation and an antibiotic (neomycin) to control bacterial presence.

Q: Do generic versions of Serene exist, and are they the same?

A: Generic products that contain the same active ingredients are typically available and approved by regulatory bodies. These versions are required to meet regulatory bioequivalence standards to be considered interchangeable with the innovator product.

Q: Why do official documents state Serene should be used with caution in certain groups?

A: Official cautionary statements are mandated by documented risks associated with the ingredients. These risks include the potential for elevated pressure inside the eye (glaucoma), secondary ocular infections, and issues like delayed wound healing when the product is used for extended periods.

Q: Is it normal for me to feel a little worse when first starting Serene?

A: Regulatory documents describe that initial application may cause a temporary stinging or burning sensation in the eye, typically lasting only one to two minutes. This is a common and expected application effect.

Q: Can Serene be used to treat anxiety, or only depression?

A: Official indications for this specific preparation are strictly limited to treating inflammatory ocular conditions and associated bacterial risk. It is not approved by regulatory bodies for use in treating psychiatric conditions such as anxiety or depression.

Q: What is the expected duration of treatment with Serene?

A: Regulatory information emphasizes the need to limit the duration of use. Official documents caution against using the product for longer than 10 days unless the patient is under continuous professional supervision and assessment.

Q: What information is available regarding Serene and alcohol consumption?

A: Information concerning this specific topical ophthalmic preparation generally indicates that it may not interact with alcohol. This is typically due to the minimal systemic absorption expected from the product's method of use.

Q: What is the difference between Serene and placebo in clinical trials?

A: Clinical trial evidence indicates that the combined product has been demonstrated to significantly reduce key measures compared to placebo. These measured differences relate to the reduction of bacterial count and inflammatory markers assessed in the trials.

Q: How does Serene affect attention or concentration?

A: Official warnings note that temporary blurred or unstable vision is possible following application. This transient visual disturbance is noted as a factor that may affect the clear vision required for tasks involving concentration.

Q: What are the serious but rare side effects of Serene mentioned in regulatory documents?

A: Regulatory sources detail serious, though less common, effects that can occur with use. These include the potential for elevated intraocular pressure, which can lead to glaucoma, posterior subcapsular cataract formation, and very rare systemic reactions such as Stevens-Johnson syndrome.

Q: Are there different strengths or dosages of Serene available?

A: Yes, the product is officially available in different strengths, which refers to the concentration of the active ingredients. It is also available in various physical forms, such as an ophthalmic suspension (liquid drops) and an ophthalmic ointment.

Q: Is there any information on Serene's use in people with kidney disease?

A: Regulatory information notes that dosage adjustment is generally considered unnecessary for individuals with altered kidney function. This statement is generally supported by the anticipated low systemic absorption when the product is used via the topical ophthalmic route.

Q: Can Serene cause headaches or migraines?

A: Headache is an adverse reaction that has been reported in post-marketing surveillance data. However, a precise incidence figure for this effect is generally not included in the clinical trial summaries found in official labeling.

Q: Is Serene available in a liquid or injectable form?

A: The product is officially supplied as a sterile ophthalmic suspension (liquid drops) and an ophthalmic ointment for topical application to the eye. It is not approved for any injectable use.

Q: Is there any research on Serene for chronic pain conditions?

A: Regulatory documents specify that the indications and related research are limited to steroid-responsive inflammatory ocular conditions. Therefore, studies examining the product's use for non-ocular chronic pain are not included in the official labeling.

Q: What is the general success rate reported in clinical studies for Serene?

A: Official clinical studies typically evaluate the product by measuring specific efficacy endpoints relevant to the condition, such as the reduction of inflammatory markers and bacterial count. A single, patient-friendly 'general success rate' is not typically reported in regulatory summaries.

Q: Can Serene affect fertility?

A: Information from authoritative health bodies indicates that, based on current evidence, the topical ophthalmic use of these active ingredients is not associated with reducing fertility in either men or women. This finding is generally related to the minimal systemic absorption of the topical product.

Q: Are there any specific lifestyle changes recommended when starting Serene?

A: Patient advisory information often includes general wellness practices alongside product use. These recommendations include managing stress, ensuring adequate sleep, and maintaining a healthy diet.

How should Serene be stored and disposed of?

How to Store and Dispose of Serene (Dexamethasone and Neomycin Ophthalmic)

Serene must be stored at controlled room temperature, typically between 15°C and 25°C (59°F and 77°F). The medication must be protected from light and stored in a dry place. It is critical not to freeze the product or store it above the maximum stated temperature.

Keep Serene in its original container, tightly closed, and stored out of the sight and reach of children and pets. The product contents must be discarded 28 days after first opening the container.

Disposal of unused or expired Serene must be performed according to local requirements. Do not dispose of this medication via wastewater or general household trash.

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

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