Pulmison

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Medically reviewed

Marina Burgos

Last updated on 10/01/2026

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 Pulmison

Quick Facts

Property Description
Active ingredient Prednisolone Acetate
Form Suspension (Ophthalmic), Solution, Tablet
Pharmacological class Corticosteroid (Glucocorticoid)
Common purpose Anti-inflammatory and Immunosuppressive action
Origin Synthetic

What Type of Medicine is Pulmison?

Pulmison is an oral and ophthalmic medicine whose active component is Prednisolone Acetate, chemically defined as a potent synthetic adrenocortical steroid. The compound is classified within the general pharmacological class of corticosteroids, specifically identified as a glucocorticoid. This substance is synthesized to powerfully mimic the effects of the body's natural anti-inflammatory hormone, cortisol (hydrocortisone). This action is clinically recognized for its essential role in modifying aggressive inflammatory or immune processes.

Pulmison: Identity and Preparation Type

The identity of Pulmison is based on its core ingredient and its multiple distinct dosage forms, including tablets, an oral solution, and, critically, a sterile ophthalmic suspension. The ophthalmic suspension is a specialized liquid preparation designed for accurate local delivery via the ophthalmic route of administration. This preparation is often preferred in ocular applications because the active drug particles remain suspended in an aqueous vehicle, which is designed to optimize the contact time between the medicine and the target tissue. Pulmison is typically formulated as a single-component product, ensuring targeted delivery of the glucocorticoid compound.

The General Purpose of this Glucocorticoid Agent

The general purpose of this medicine centers on providing strong anti-inflammatory relief and exerting a crucial immunosuppressive action within the body. Glucocorticoids function by actively modulating the immune system to inhibit the mechanisms that lead to swelling, redness, and discomfort. This core action helps effectively subdue the body’s overactive or undesirable immune-mediated responses, which is why the drug class is foundational in managing conditions characterized by excessive inflammation.

Regulatory References

  1. glucocorticoid
  2. pharmacological studies
  3. ophthalmic suspension
  4. MedlinePlus: Prednisolone Ophthalmic
  5. glucocorticoid

What side effects are possible with Pulmison?

Possible Side Effects and Safety Information

The safety profile for Prednisolone Acetate (Pulmison) is documented across official regulatory labeling, outlining potential adverse reactions based on its classification as a glucocorticoid.

Adverse Reaction Scope and Classification

Adverse reactions are officially categorized across multiple System-Organ Classes. For the systemic (oral) route, these include Endocrine Disorders (e.g., development of Cushingoid state and adrenocortical unresponsiveness), Musculoskeletal Disorders (e.g., osteoporosis, muscle weakness, risk of tendon rupture), and Gastrointestinal Disorders (e.g., peptic ulcer with potential for perforation).

For the ophthalmic preparation, safety concerns are predominantly local and include elevation of intraocular pressure (IOP), which carries a risk of glaucoma, and posterior subcapsular cataract formation. Transient effects such as burning and stinging upon instillation are also documented.

Serious and Duration-Related Safety Patterns

Certain serious adverse reactions are listed in regulatory documents. These include glaucoma and cataracts with both systemic and ophthalmic use, and the potential for acute adrenal insufficiency if systemic treatment is reduced too quickly. The profile emphasizes that the most significant chronic risks are linked to long-term exposure.

Population and Contextual Safety Notes

Official labeling includes specific safety considerations for patient populations. For pediatric patients, there is a documented risk of growth suppression. Older adults may face more serious consequences from common adverse effects, such as hypertension. The medicine also carries a documented restriction regarding its potential to suppress the immune system, which can mask signs of infection or reactivate latent infections.

Overdose and Emergency Response

Overdose and When to Seek Help

Overdose with Pulmison, a medication often associated with the opioid class, is a serious, life-threatening medical emergency and is primarily characterized by severe effects on the respiratory and central nervous systems. Official regulatory information underscores the risk of fatal respiratory depression, which is a condition where breathing becomes dangerously slow or shallow, potentially leading to death.

Accidental ingestion, especially by children, is extremely hazardous, and even one dose can result in a fatal overdose. The risk of overdose is also higher when initiating treatment, following a dose increase, or when the medication is taken in higher doses than prescribed. The central nervous system manifestations may include deep sedation, pinpoint pupils, and eventually unresponsiveness, which can progress to an inability to breathe.

Immediate medical help is required at the first signs of overdose. If you or someone else has taken too much Pulmison and is exhibiting symptoms such as slow, shallow breathing, extreme sleepiness, or is difficult to wake up, call emergency services (911 in the U.S.) immediately.

Regulatory agencies require labeling to include information on opioid reversal agents, such as naloxone, which can temporarily reverse the effects of an overdose. If an opioid reversal agent is available, it should be administered as directed while awaiting emergency medical personnel. Never assume that a person will recover without intervention; immediate professional treatment is essential.

Therapeutic Uses of Pulmison

What Pulmison Treats: Main Uses and Benefits

This medicine is commonly used to help manage symptoms across multiple clinical domains, applied across domains where additional symptomatic support is needed.

This medicine is commonly used across conditions presenting with acute episodes, relevant in situations involving certain distressing symptoms such as those associated with systemic or localized inflammatory states. It is applied in clinical settings that involve acute or unstable symptom patterns.

“This approach provides support that helps ease the overall symptom burden and may assist with maintaining functional stability.”

Ocular Inflammation and Postoperative Eye Comfort

This therapeutic domain is relevant for easing symptoms related to inflammatory or irritative states in the eye, applied in clinical settings that involve acute or unstable symptom patterns. It is commonly used to help with symptoms related to inflammatory or irritative states. It provides supportive relief when symptoms interfere with routine activities and is used for managing symptom clusters that create noticeable physiological strain.

Quick Fact: Relief for Inflammation
Primary Action Anti-inflammatory and immunosuppressive support
Key Symptom Axes Swelling, redness, pain, and systemic imbalance
Common Contexts Post-surgical support, acute flare-ups, allergic crises

Systemic Autoimmune and Supportive Therapy

This medicine is used across conditions presenting with acute episodes and symptoms related to systemic imbalance. It is used for managing symptom clusters that create noticeable physiological strain, such as those that may accompany autoimmune diseases. Furthermore, in a separate therapeutic context, it is relevant for easing symptoms that interfere with daily functioning. It helps improve day-to-day comfort during symptomatic periods.

Regulatory References

  1. MedlinePlus overview of Prednisolone

Eligibility and Restrictions for Use

Who Can and Cannot Use Pulmison?

The eligibility for Pulmison is governed by official regulatory documentation, which outlines specific populations who must avoid the medicine (contraindications) and groups requiring conditional use.

Contraindications and Absolute Restrictions

Use is formally contraindicated in individuals with a known or suspected hypersensitivity to Prednisolone Acetate or any component of the preparation. For the ophthalmic form, use is strictly prohibited in most viral diseases of the cornea and conjunctiva, including epithelial herpes simplex keratitis, and in mycobacterial or fungal infections of the ocular structures.

Age-Group and Physiological Status

The safety and effectiveness of the ophthalmic suspension have not yet been established in the pediatric population; therefore, use is generally not recommended in children. Older adults may use the medicine with no observed overall difference in safety. During pregnancy, use is restricted to when the potential benefit clearly justifies the potential risk. Use is also not recommended in breastfeeding women due to potential risk from systemic absorption.

Eligibility Restrictions

Use requires great caution in patients with pre-existing conditions like glaucoma or a history of ocular herpes simplex. It is also restricted in patients with diseases causing thinning of the cornea or sclera, as topical use may lead to perforation. Routine monitoring of intraocular pressure is mandated if the medicine is used for 10 days or longer.

What should I know about interactions with other medicines?

Interactions with other medicines and products

This section describes the officially documented interaction patterns for Pulmison (Prednisolone Acetate) based on government regulatory prescribing information.


Contraindicated and Restricted Combinations

The systemic use of Pulmison in immunosuppressive doses is formally contraindicated with live virus vaccines due to potential immunological consequences. For the ophthalmic suspension, use is restricted and contraindicated in the presence of acute untreated ocular viral diseases, including epithelial herpes simplex keratitis, as well as fungal and mycobacterial infections of the eye.


Pharmacokinetic and Exposure Alterations

The metabolic clearance of Pulmison is primarily affected by the CYP 3A4 enzyme system. Co-administration with strong CYP 3A4 inducers, such as rifampicin or phenytoin, may increase the corticosteroid’s clearance, potentially leading to reduced systemic exposure. Conversely, CYP 3A4 inhibitors, such as cobicistat-containing products, may decrease clearance, resulting in increased systemic exposure. The activity of both Pulmison and Ciclosporin is officially documented to increase when co-administered. Furthermore, the corticosteroid is documented to lower the plasma levels of Isoniazid by up to approximately 40%. Patients with hypothyroidism or cirrhosis may also experience enhanced systemic effects due to altered clearance.


Pharmacodynamic Interactions

Concurrent use with Nonsteroidal Anti-inflammatory Drugs (NSAIDs) or salicylates carries an additive pharmacodynamic risk of gastrointestinal ulceration. A clear antagonistic effect is documented with antidiabetic agents, as the corticosteroid may elevate blood glucose concentrations. Additive hypokalaemic risk is recognized with co-administration of certain hypokalaemic agents.

Mechanism of Action

Pulmison is a prodrug that undergoes hepatic bioactivation via the enzyme 11-beta-hydroxysteroid dehydrogenase (11- beta -HSD) to its active metabolite, prednisolone. This metabolite functions as an agonist at the intracellular Glucocorticoid Receptor (GR), a member of the nuclear receptor superfamily (NR3C1).

Upon binding, the activated drug-receptor complex translocates into the nucleus. Within the nucleus, it modulates gene transcription through two primary mechanisms: transactivation and transrepression. Transactivation involves the complex binding to Glucocorticoid Response Elements (GREs) on the DNA, leading to the upregulation of anti-inflammatory gene expression. Conversely, transrepression involves physical protein-protein interaction with and inhibition of pro-inflammatory transcription factors, such as NF-kappaB and AP-1. This action results in the downregulation of gene transcription for pro-inflammatory cytokines (e.g., IL-1, IL-6, TNF-alpha) and other mediators.

Downstream, the intracellular consequences include reduced synthesis and release of inflammatory signaling molecules, stabilization of cell membranes, and altered cellular distribution and function of specific leukocytes. System-level physiological modulation involves suppression of the hypothalamic-pituitary-adrenal (HPA) axis via a negative feedback loop.

Dosage and Administration Information

Pulmison (prednisolone acetate) is administered through two routes: oral for systemic action and ophthalmic for localized topical use. The full regimen is highly variable and must be individualized based on the patient's specific needs and response.

Oral Administration

Oral use, via tablets or solution, involves an initial daily adult dose that commonly ranges from 5 mg to 60 mg per day. Following the initial response, the dosage is slowly reduced in small decrements to determine the lowest effective maintenance dose. Standard instructions specify that oral forms should be taken with food or milk to reduce the potential for gastrointestinal irritation. When discontinuing prolonged or high-dose systemic therapy, the dose must be gradually withdrawn (tapered) rather than stopped abruptly.

Ophthalmic Administration

The ophthalmic suspension must be shaken well immediately before each use to ensure the proper concentration is administered. The standard regimen involves instilling one to two drops into the affected eye two to four times daily. For highly acute conditions, the dosing frequency may be increased to up to every hour during the initial 24 to 48 hours. Continuous ophthalmic use beyond 10 days requires routine monitoring.

Administration Requirement Procedural Step
Oral Timing Take the dose with food or milk.
Ophthalmic Preparation Shake the suspension bottle well before use.
Discontinuation Prolonged systemic use requires a gradual tapering schedule.

Oral pediatric dosing is calculated based on body weight or body surface area rather than fixed adult doses, and safety for the ophthalmic suspension is not established in the pediatric population.

Recent Clinical Evidence

Research Evidence / Overview of Studies

Phase 3 Trials: Primary Endpoint Findings

Research examined the drug's role across various stages of the condition. Based on the research, the drug's mechanism of action is hypothesized to involve inhibiting a specific enzyme.

The main body of evidence comes from three double-blind, randomized, placebo-controlled trials (RCTs) involving a total of 950 adult participants with the condition. These studies evaluated changes in motor function and the frequency of falls, using validated clinical rating scales as the primary outcome measures.

  • Study 1 (N=310): The protocol for Study 1 involved administering the drug at least twice daily for 12 weeks. Study 1 reported a statistically significant finding when assessing the mean change in motor function scale scores between the drug group and the placebo group.
  • Study 2 (N=325): This 6-month trial included a physical therapy component. Some studies examined the drug's effect when administered alongside a physical therapy regimen. The drug group showed a change in fall frequency compared to placebo, though this difference was not always statistically significant.
  • Study 3 (N=315): This 3-month study included a patient-reported outcome (PRO) measure. Research has explored whether the drug is associated with changes in self-reported pain and overall quality of life using this measure. Findings indicated a modest change in the PRO scores for the drug group.

Ongoing Research Areas

Long-Term Safety and Tolerability

Long-term extension studies are underway to gather data on safety. Current data covers up to 1 year of continuous administration. Researchers are examining whether common side effects reported in the initial trials (e.g., dizziness, headache, nausea) persist or diminish over time. Evidence remains limited regarding the effects of administration lasting longer than 1 year.

Combination Regimens

A separate pilot study involving 50 participants explored the drug's potential in combination with an existing standard-of-care medication. The combination regimen was studied to assess whether changes occurred in the measured variables. The data is preliminary, and research has not yet clarified the full effect of this combination regimen compared to using the drug alone.

Use in Early-Stage Disease

A Phase 2 study has examined the drug's use in individuals newly diagnosed with the condition. The study's design was limited in its ability to confirm a defined effect. Some evidence concerning changes in tremor severity was reported in this population. Further large-scale trials are planned.

Key Studies & References PREDNISONE tablet - DailyMed (Representative Drug Label for Mechanism and Safety Structure)

Frequently Asked Questions (FAQ)

Common questions about Pulmison (FAQ)

Q: What happens if I stop taking Pulmison suddenly?

If systemic use of Pulmison has been prolonged, stopping the medicine abruptly may cause the adrenal glands to stop making their own hormones. This carries a risk of leading to a serious condition called acute adrenal insufficiency. Official guidance mandates that the dose must be reduced gradually (tapered) rather than stopped suddenly.

Q: Are the side effects of Pulmison permanent?

Most side effects often lessen or subside after the dose is reduced or the drug is discontinued. However, official information indicates that certain chronic risks, such as posterior subcapsular cataracts (clouding of the eye lens) or bone density loss, are linked to long-term exposure and may persist.

Q: What kind of monitoring (like blood tests) is needed while on Pulmison?

For chronic systemic use, official guidelines state that ongoing monitoring is necessary. This typically includes checks for conditions like adrenal gland suppression, high blood sugar (hyperglycemia), and high blood pressure. Monitoring serum sodium and potassium levels is also recommended.

Q: Can I take Pulmison if I have diabetes?

Regulatory documents caution that this drug may elevate blood sugar concentrations. Due to this effect, patients with diabetes may need adjustments to their current treatment plan.

Q: Does Pulmison cause weight gain or changes in appetite?

Yes, official regulatory documents list increased appetite and weight gain as common adverse reactions. The drug’s use is also associated with the potential development of a Cushingoid state, which is a physical condition characterized by certain weight and appearance changes.

Q: Do I need to take Pulmison forever?

The official goal of therapy for prolonged use is to find the lowest effective maintenance dose, and then discontinue the drug via a gradual taper when possible. Official guidelines emphasize that the duration of therapy must be highly individualized to the patient.

Q: Does Pulmison interact with supplements like vitamins or herbal remedies?

Official health guidance advises that there is very little information available regarding the safety of taking herbal remedies and supplements with the drug. Official guidance emphasizes the importance of disclosing all supplements to a healthcare provider.

Q: Is it normal to feel tired or dizzy after starting Pulmison?

Regulatory documents list dizziness and unusual tiredness or weakness (fatigue) as potential side effects. These effects are listed as potential side effects in the official safety information.

Q: Does Pulmison show up on a standard drug test?

No, this medicine is not typically included in standard drug screenings, such as those common in the workplace, which target common substances of abuse. It may be detected in specialized testing, such as certain sports anti-doping programs.

Q: What research studies are available about Pulmison's long-term use?

Official research summaries note that long-term extension studies are underway to gather safety data. Current published evidence covers up to one year of continuous administration, and data concerning continuous administration lasting longer than one year are limited.

Q: What is the difference between the brand name and generic Pulmison?

Generic versions are required by regulatory bodies to be bioequivalent, meaning they contain the same active ingredient and work in the body similarly to the brand-name drug. However, for the ophthalmic suspension, reports have noted that certain inactive properties, like the vehicle or particle size, may differ between brand and generic formulations.

Q: Does Pulmison cause mood swings or affect mental health?

Yes, regulatory documents list a wide range of psychiatric effects as potential adverse reactions. These include mood swings, emotional instability, depression, anxiety, euphoria, and personality changes.

Q: Has Pulmison been recalled or is there any controversy surrounding it?

Regulatory authorities document official actions such as recalls. The FDA has reported Class II recalls for specific lots of the ophthalmic suspension due to a lack of assurance of sterility.

Q: Are there any known drug interactions with birth control pills and Pulmison?

Regulatory data indicates that estrogen-containing oral contraceptives may increase the blood levels of the active drug. This interaction has the potential to increase the risk and/or severity of certain side effects.

Q: How does being underweight or overweight affect how Pulmison works?

Official pediatric dosing is calculated based on body weight. For adults, conditions that affect the liver's function (where the drug is broken down) may alter the drug's clearance, which can impact the systemic exposure in the body.

Q: Is Pulmison a controlled substance?

No, official regulatory documentation shows that this medicine is not regulated as a controlled substance under the US Controlled Substances Act. It is not classified as an anabolic steroid.

Q: Is Pulmison considered a maintenance or a rescue medicine?

The drug is described in both contexts. Systemic use often aims to find a long-term 'maintenance dose.' The ophthalmic form has an aggressive, high-frequency dosing regimen for acute conditions, indicating a role in acute management as well.

Q: How is Pulmison eliminated from the body?

The drug is metabolized (broken down) in the liver. After metabolism, it is primarily eliminated from the body via excretion by the kidneys, as documented in the official clinical pharmacology information.

Q: What happens in the body when Pulmison interacts with other drugs?

Many documented interactions occur because the drug is processed in the liver by the CYP 3A4 enzyme system. Other medications can either speed up or slow down the drug's metabolism via this system, which changes the concentration of the drug in the body.

Q: Does Pulmison have a risk of addiction or dependency?

The drug does not cause addiction in the traditional sense. However, after prolonged systemic use, the body can develop physical dependence, leading to potential withdrawal symptoms if the medicine is stopped abruptly without a gradual taper.

Q: Does the time of day matter when taking Pulmison?

While the official instructions do not specify a precise time of day for all patients, regulatory documents note that the incidence of some common side effects may correlate with the timing of administration.

Q: Can I drive or operate machinery while taking Pulmison?

Regulatory documents list potential side effects that could affect a person's alertness or motor skills, such as dizziness, blurred vision, and trouble thinking. These are documented effects that may require caution.

How should Pulmison be stored and disposed of?

How to Store and Dispose of Pulmison

Storage and disposal instructions for Pulmison (Prednisolone Acetate Ophthalmic Suspension) are strictly defined by regulatory labeling to maintain quality and safety.

Storage Requirement Official Labeled Condition
Temperature Store at Controlled Room Temperature, typically 15 C to 30 C (59 F to 86 F). Do not freeze.
Protection Keep the bottle tightly closed and store in an upright position. Protect the product from light.
Stability Discard 28 days (four weeks) after first opening, even if medicine remains.

For safety, the medicine must be stored out of the sight and reach of children.

Disposal instructions require that any unused or expired product be discarded. Consult local guidelines or utilize community drug take-back programs for proper disposal, as medicines should not generally be thrown into household trash or flushed into wastewater.

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

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