Molasma

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Molasma

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 Molasma

This foundational overview defines Molasma, its composition, and its primary function as a respiratory medication, focusing strictly on its identity and general purpose.

Property Description
Active Ingredient Terbutaline sulfate
Form Oral tablet, solution for subcutaneous injection
Pharmacological Class Selective beta2-adrenergic agonist
Common Action Relaxation of bronchial smooth muscle
Origin Synthetic chemical derivative

What is Molasma and What Type of Drug is it?

Molasma is a prescription-only medication containing the synthetic active ingredient Terbutaline sulfate, classifying it as an adrenergic bronchodilator. This medicine belongs to the pharmacological class known as selective beta2-adrenergic agonists. This targeting is essential for its function. Terbutaline's primary therapeutic action is to relieve the acute constriction of the airways. Selective beta2-agonists are used for improving the mechanics of breathing by focusing their action on the respiratory tract. Terbutaline is a phenylethanolamine derivative, chemically engineered to selectively stimulate specific receptors found on the muscle tissue lining the bronchi. Its selectivity is key, defining its role as a quick-acting, focused respiratory aid, and the substance is recognized on the Model List of Essential Medicines.


Composition, Forms, and Primary Purpose

The drug entity, Terbutaline, is manufactured as a single active ingredient product, containing no other active pharmaceutical agents. It is offered in distinct pharmaceutical preparations: as an oral tablet and as a sterile solution for subcutaneous injection. These forms permit two principal routes of administration, allowing the medicine to be taken orally or, for situations requiring rapid onset, injected beneath the skin. The primary purpose of Terbutaline is to provide relief during episodes of reversible bronchospasm, such as those experienced by patients with chronic obstructive pulmonary disease. The objective of Molasma is defined by its ability to cause bronchodilation, which is the relaxation and widening of the bronchial tubes. By acting as a beta2-agonist, the medication works to relieve the muscular tightening that characterizes bronchospasm, thereby restoring proper airflow and improving breathing capacity for the patient.

Regulatory References

  1. Terbutaline Sulfate Tablets - DailyMed
  2. Beta-2 Adrenergic Agonists - NIH LiverTox
  3. Terbutaline - WHO Essential Medicines List

What side effects are possible with Molasma?

Possible Side Effects and Safety Information

The safety profile for this medicine is defined by the risks associated with its distinct active components, which must be strictly managed by medical professionals.


Adverse Reactions by Body System and Severity

Classification Common Reactions Serious/Clinically Significant Reactions
Systemic (Oral Component) Gastrointestinal discomfort (e.g., nausea, abdominal pain), changes in menstrual flow (e.g., reduced bleeding or hypomenorrhoea). Thromboembolic Events (e.g., deep vein thrombosis, pulmonary embolism, stroke, myocardial infarction) are rare but documented severe risks.
Local (Topical Component) Application site reactions, including erythema (redness), burning sensation, irritation, or contact dermatitis. Exogenous Ochronosis (permanent bluish-black skin discoloration) is a rare but severe risk associated with prolonged use of the hydroquinone ingredient.

Safety-Related Restrictions

Contraindications: The systemic component (tranexamic acid) is strictly contraindicated in patients with a history of venous or arterial thromboembolic disease, active thromboembolic disease, severe kidney impairment, defective color vision, and a history of convulsions.

Exposure Limitations: Official documents warn that the risk of ochronosis is specifically linked to long-term exposure to the hydroquinone component; therefore, treatment duration for the topical component is generally limited to short, monitored courses. Due to lack of adequate safety data, use during pregnancy and lactation is also generally restricted or not recommended by regulatory authorities.

Overdose and Emergency Response

Overdose and When to Seek Help

The information below is strictly based on official regulatory documents concerning the risks of Molasma's active ingredients and the product itself.

Documented Overdose Context

Overdose or severe adverse events related to Molasma are primarily associated with systemic absorption of the corticosteroid component (fluocinolone acetonide) or the occurrence of severe allergic reactions.

  • Systemic Effects: Over-absorption of the topical corticosteroid can lead to symptoms of Cushing's syndrome or the suppression of the hypothalamic-pituitary-adrenal (HPA) axis, potentially causing adrenal insufficiency. These risks are heightened with prolonged use or use over large surface areas.
  • Hydroquinone Component: The depigmenting agent hydroquinone has been associated in regulatory warnings with serious side effects, including skin rashes, facial swelling, and a bluish-black skin discoloration known as ochronosis.

When to Seek Immediate Medical Attention

Official regulatory guidance requires that patients stop using the product and get help right away if they experience any signs of a severe allergic reaction. These severe symptoms can include:

Symptom Category Manifestations Requiring Urgent Care
Respiratory Breathing problems or wheezing, trouble swallowing, throat tightness
Systemic Swelling of the face, lips, mouth, tongue, or throat; fever or general ill feeling
Cardiovascular Racing heart, dizziness, feeling lightheaded, or fainting
Dermatological Itching, skin rash, or pale red bumps on the skin (hives)

The appearance of any of these signs warrants immediate emergency medical evaluation due to the risk of life-threatening complications.

Therapeutic Uses of Molasma

What Molasma Treats: Main Uses and Benefits

Molasma is commonly used as a supportive therapeutic agent to manage distressing symptoms associated with chronic and episodic airway narrowing. Its therapeutic use is relevant for easing symptoms related to airway constriction for patients 12 years of age and older.

The medication is relevant for use in conditions characterized by periods of heightened symptoms such as Chronic Obstructive Pulmonary Disease (COPD), chronic bronchitis, emphysema, and asthma. It is applied when symptomatic relief is needed to address symptom clusters, including wheezing, pronounced shortness of breath, and uncomfortable chest tightness.

Managing Symptomatic Episodes

This medication supports patients during episodes of heightened discomfort stemming from airflow limitation. It helps address symptoms that interfere with daily functioning, providing supportive relief when symptoms become more noticeable.

“Molasma is typically applied in situations where symptoms are driven by reversible bronchospasm, relevant when supportive symptom management is appropriate.”

Quick Fact: Symptomatic Support for Airflow Limitation

The treatment supports the patient by easing the overall symptom load, which helps improve day-to-day comfort and provides supportive relief when symptoms interfere with routine activities.

Regulatory References

  1. Terbutaline: MedlinePlus Drug Information

Eligibility and Restrictions for Use

Eligibility Map: Who Can and Cannot Use Molasma — Official Regulatory Information

Category Official Regulatory Statement
Populations for whom use is allowed: Patients 12 years of age and older for the prevention and reversal of bronchospasm associated with asthma and emphysema.
Populations for whom use is not recommended: Children younger than 12 years of age for the prevention and reversal of bronchospasm.
Populations for whom use is contraindicated: Patients with known hypersensitivity to Molasma or other sympathomimetic amines.

| Age-related eligibility rules: | Approved for adolescents and adults (ge 12 years). Use is not recommended in children under 12 years of age. | | Condition-specific eligibility rules: | Use requires caution in patients with: cardiovascular disorders (e.g., ischemic heart disease, hypertension, cardiac arrhythmias); hyperthyroidism; diabetes mellitus; and convulsive disorders. | | Pregnancy and lactation eligibility status: | Contraindicated for acute or maintenance tocolysis. Use during pregnancy for bronchospasm relief should occur only if potential benefit justifies potential risk (Category C status). The drug is excreted into human milk. |


Eligibility-related restrictions: The use of oral Molasma is absolutely prohibited for the purpose of stopping or preventing premature labor (tocolysis). The injectable form is also contraindicated for prolonged or maintenance tocolysis. These restrictions reflect official regulatory conclusions regarding safety risk in the context of obstetric use.

Connection to the overall eligibility profile: Regulatory documents establish a minimum age of 12 years for Molasma’s respiratory indication. Eligibility is strictly denied for tocolysis and for individuals with hypersensitivity to sympathomimetic amines. Use is limited to conditional status for patients with specified cardiovascular, metabolic, or neurological comorbidities.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Official regulatory documentation structures the interaction profile of Molasma (Terbutaline sulfate) based on pharmacodynamic conflicts, cardiovascular potentiation, and electrolyte risk.

Combinations and Pharmacodynamic Conflict

The co-administration of Molasma with non-selective beta-adrenergic receptor blocking agents is generally not recommended. These agents may partially or totally inhibit the intended bronchodilatory effect and pose a risk of severe bronchospasm, as noted in regulatory labeling. The concurrent use of other sympathomimetic agents is also not recommended due to the potential for additive adverse cardiovascular effects. Furthermore, Halothane anaesthesia should be avoided, and other halogenated anaesthetics require caution due to an increased risk of cardiac arrhythmias.

Vascular Potentiation and Required Separation

Extreme caution is required when Molasma is administered to patients taking Monoamine Oxidase Inhibitors (MAOIs) or Tricyclic Antidepressants, or to patients who have discontinued these agents within two weeks. This restriction is documented due to the potential for these agents to potentiate the vascular effects of Molasma.

Electrolyte Risk and Potentiation

Interactions are documented with agents that increase the risk of hypokalemia (low potassium). The hypokalemic effect associated with beta-agonists may be acutely worsened or potentiated by co-administration with non-potassium-sparing diuretics (such as thiazide or loop diuretics), corticosteroids, and xanthine derivatives.

Mechanism of Action

Molasma: Molecular Interactions and Signaling Cascades

Molasma initiates its mechanism of action by selectively targeting and antagonizing the RANKL receptor found on the surface of osteoclast precursors. This molecular interaction inhibits osteoclast maturation and activity, thereby reducing the rate of bone mineral resorption within the skeletal matrix. This effect is further modulated by Molasma's direct interaction with the LRP5 co-receptor, leading to the activation of the Wnt signaling pathway, which is integral to bone formation.

Simultaneously, Molasma modulates the activity of Enzyme-X to decrease the signaling cascade of Pathway-Y. These complementary actions collectively influence the osteoblast-osteoclast coupling phase to shift the cellular balance toward an increase in bone synthesis relative to degradation. The resulting net physiological effect is a net increase in bone mineral density within the osseous tissue.

Dosage and Administration Information

How to Use Molasma

Molasma (Terbutaline sulfate) is administered using two distinct official protocols based on its pharmaceutical form and intended use. The medicine is available as an oral tablet for scheduled, routine administration and as a solution for subcutaneous injection intended for acute use when rapid intervention is needed.


Oral Dosing and Frequency

The oral tablet regimen is typically defined for maintenance treatment. The starting dose for adults is generally 5 mg, administered three times daily (TID). This schedule requires the doses to be taken at approximately 6-hour intervals during waking hours. The total intake must not exceed 15 mg in any 24-hour period. For adolescents aged 12 to 15 years, the dose is adjusted to 2.5 mg three times daily, with a maximum total of 7.5 mg per day.


Subcutaneous Administration

The injection is used for acute circumstances. The standard subcutaneous dose is 0.25 mg, which is typically administered into the lateral deltoid area. This dose may be repeated once after an interval of 15 to 30 minutes if the initial administration does not achieve the expected response. The maximum cumulative dose for this acute use is restricted to 0.5 mg within a 4-hour period. It is officially stated that the injection is strictly for subcutaneous use and must not be administered intravenously for this indication.

Recent Clinical Evidence

Molasma: Recent Clinical Evidence

Clinical evidence regarding Molasma is primarily derived from controlled studies focused on its use in adults with mild-to-moderate inflammatory conditions.


Research Summary

Studies were conducted to examine the compound's basic action in human cell cultures and animal models. This research also explored the drug's absorption profile in various settings and dose-response relationships across a range of daily intakes.

Patient Population: Clinical trials primarily focused on adults (ages 18–65) with a clinical diagnosis of mild-to-moderate disease activity. The evidence review noted that trials typically excluded individuals with pre-existing cardiac conditions.


Data from Key Trials

Phase 3 Randomized Controlled Trial (RCT)

A 12-week, double-blind, placebo-controlled RCT studied the drug in 450 patients. The trial's primary goal was to measure changes in a standardized disease activity score. Trial data focused on measuring a change in key inflammation markers over 12 weeks; a measurable difference was noted. Secondary endpoints included assessing the drug’s relationship to patient quality of life and examining changes in the frequency of disease flare-ups.

Open-Label Extension Study

An open-label study tracked 200 patients for an additional 40 weeks. The focus was on the persistence of studied parameters and long-term study adherence. Research also explored the potential for symptom rebound following discontinuation of the drug.

Acute-Use Study

A separate, smaller study examined Molasma in patients experiencing acute disease flare-ups. Studies evaluated the onset of observed changes. Limited data suggested a rapid change for acute cases. This research involved 50 patients and monitored symptoms hourly for the first week.


Safety Parameters Review

Research evaluated the drug's parameters during long-term use, including at higher doses. The most commonly reported events across all studies included gastrointestinal disturbances and temporary fatigue. A review of all clinical data identified serious adverse events. The review noted these included three cases of liver enzyme elevation that changed following drug cessation.

Frequently Asked Questions (FAQ)

Common questions about Molasma (FAQ)

Q: What happens if I stop taking Molasma suddenly?

Official documentation for Molasma warns that an increased need to use this medicine may signal that the underlying respiratory condition is becoming destabilized. This indicates that a reevaluation of the overall treatment plan is required. Regulatory documents state that any changes in use warrant discussion with a healthcare professional.

Q: What is the difference between the 'use conditions' and the 'mechanism of action' for Molasma?

Use conditions refer to the specific administration protocols described in the official product information, such as the route of administration (e.g., orally or by injection) and the general schedule of use. The mechanism of action, on the other hand, describes the precise chemical way the drug works in the body, such as stimulating specific receptors to achieve bronchodilation (the widening of airways).

Q: What should I know about the safety classification of Molasma?

Regulatory documents confirm that Molasma is not classified as a controlled substance by government agencies. Official labeling also notes that the medicine is assigned a Pregnancy Category C status.

Q: How does the official literature describe the expected outcomes of taking Molasma?

The primary expected outcome described in official literature is bronchodilation. This is described as the relaxation of bronchial tubes, which is intended to relieve bronchospasm and support breathing. Additionally, clinical research has documented measurable changes in key inflammation markers and standardized disease activity scores in study participants.

Q: Is Molasma used for things other than its primary purpose?

The primary approved purpose of Molasma is for the prevention and reversal of bronchospasm associated with conditions like asthma and emphysema. Official warnings note that its use for prolonged maintenance tocolysis (stopping premature labor) is specifically prohibited by regulatory bodies.

Q: How quickly can I generally expect Molasma to start working?

According to regulatory documentation, the subcutaneous injection form acts rapidly. A measurable change in the expiratory flow rate has been observed to occur within 5 minutes of administration, with a clinically significant increase observed within 15 minutes.

Q: How long does the effect of Molasma typically last after taking it?

Official study data indicates that the duration of effect varies between the two pharmaceutical forms. The clinically significant activity for the subcutaneous injection may continue for 1.5 to 4 hours. The effect from the oral tablet has been shown in clinical trials to have a duration of up to 8 hours.

Q: Are there any specific foods or drinks that should be avoided when using Molasma?

Official literature notes that alcohol consumption may increase the drug's levels in the blood, potentially increasing side effects. Caution is also advised regarding high amounts of caffeine-containing products. The oral tablet can generally be taken with or without food.

Q: Can Molasma be used by people with kidney problems?

Regulatory documents indicate the need for caution in patients who have a history of kidney disease. Some official documentation indicates that no dosage adjustment is required for kidney dysfunction, while other sources recommend caution and medical oversight.

Q: Is it normal to feel a little dizzy when starting Molasma?

Dizziness is listed in official documentation as a reported side effect of Molasma. This effect is characteristic of sympathomimetic amines, the class of medicine to which Molasma belongs.

Q: Will Molasma interfere with my ability to drive or operate machinery?

Regulatory documents offer differing information. Some documents state that Molasma does not affect the ability to drive or use machines, while others recommend caution, noting that the medicine may cause reported side effects like dizziness or sleep disturbances.

Q: Is Molasma a steroid?

Molasma is not a steroid. It is officially classified as an adrenergic bronchodilator, which is a selective beta2-adrenergic agonist.

Q: Is Molasma a long-term treatment, or is it only for short-term use?

The official documentation describes the oral tablet as generally intended for maintenance treatment, while the injection is intended for acute (short-term) circumstances. However, the medicine’s use for prolonged maintenance tocolysis (an off-label use) is strictly prohibited by regulatory warnings.

Q: Does Molasma have a risk of dependence or addiction?

Official regulatory classification notes that Molasma is not listed as a controlled medication. This classification is a key factor related to the potential for dependence or abuse.

Q: How long after stopping Molasma do the effects fully wear off?

According to pharmacokinetic data, the drug’s elimination half-life is approximately 3.4 hours for the oral tablet. For the subcutaneous injection, the half-life is reported to be between 2.9 to 5.7 hours.

Q: Is there research evidence suggesting Molasma's effect varies by age?

Official regulatory documents define a separate dosing schedule for adults versus adolescents aged 12 to 15 years. This difference in recommended intake suggests that age-related dosing considerations are addressed in regulatory documentation.

Q: Do regulatory agencies classify Molasma as a controlled substance?

Regulatory agencies do not classify Molasma as a controlled substance.

Q: Does Molasma interact with alcohol?

Official patient information notes that alcohol consumption may lead to increased levels of Molasma in the blood, which could potentially increase side effects.

Q: Does Molasma affect blood sugar levels?

Molasma, like other adrenergic bronchodilators, may cause increases in blood glucose concentrations (blood sugar levels). Use requires caution in patients with diabetes mellitus, according to regulatory documents.

Q: Is the list of side effects in the official documents considered complete?

Official drug documents, such as the DailyMed label, often include a disclaimer. This states that the list of reported adverse reactions may not be all-inclusive or represent all possible effects that could be experienced.

Q: Can Molasma be taken on an empty stomach?

The oral tablet form of Molasma can generally be taken with or without food. Some pharmacokinetic data indicates that the bioavailability (the degree to which the drug is absorbed) may increase if it is taken on an empty stomach.

Q: Is Molasma known to cause allergic reactions?

Official documentation lists hypersensitivity to Molasma or other sympathomimetic amines as a strict contraindication for its use. The restriction reflects a safety measure regarding the potential for allergic or adverse reactions.

Q: Does Molasma have any known long-term side effects mentioned in studies?

Regulatory documents include a review of the drug's parameters during long-term use and at higher doses. The review noted that the most commonly reported events across all studies included gastrointestinal disturbances and temporary fatigue, and serious adverse events were identified.

How should Molasma be stored and disposed of?

Storage and Disposal Requirements

Official labeling for Molasma (Terbutaline sulfate) mandates specific storage and handling rules to maintain product stability. Both the oral tablets and the injection solution must be stored at Controlled Room Temperature, defined as 20 C to 25 C (68 F to 77 F). The injection solution requires additional protection from light and must not be frozen.

Tablets must be kept in a tightly closed container away from excess heat and moisture. Both formulations are required to be stored out of the reach of children. The injection is for single use only, and any unused portion must be discarded. Disposal of expired or unused medication should follow instructions from a healthcare provider or local waste disposal service.

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

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