Yarisma

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Yarisma

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 Yarisma

What is Yarisma?

Yarisma is a combined oral contraceptive medication used primarily for the prevention of pregnancy. It belongs to a class of medications known as hormonal contraceptives, which utilize synthetic versions of female sex hormones to regulate reproductive processes.

Composition

This medication contains two active hormonal components:

  • Drospirenone: A synthetic progestin that is chemically related to the natural hormone progesterone. It also possesses mild antimineralocorticoid properties.
  • Ethinylestradiol: A synthetic estrogen that works in conjunction with the progestin to provide contraceptive efficacy.

Mechanism of Action

Yarisma prevents pregnancy through several physiological mechanisms involving the reproductive system:

  • Inhibition of Ovulation: The primary function is to suppress the release of an egg from the ovaries during the menstrual cycle.
  • Alteration of Cervical Mucus: The hormones increase the thickness of the cervical mucus, creating a physical barrier that makes it more difficult for sperm to enter the uterus.
  • Modification of the Endometrium: The medication alters the lining of the uterus (endometrium), making it less receptive to the implantation of a fertilized egg.

Additional Applications

Beyond its use as a contraceptive, healthcare providers may prescribe this specific combination of drospirenone and ethinylestradiol to manage other hormone-related conditions. These may include the treatment of moderate acne vulgaris in individuals seeking oral contraception and the management of physical and emotional symptoms associated with premenstrual dysphoric disorder (PMDD).

Regulatory References

  1. Terbutaline: MedlinePlus Drug Information
  2. Terbutaline Sulfate Injection DailyMed

What side effects are possible with Yarisma?

Possible Side Effects and Safety Information

Terbutaline sulfate (Yarisma) is a selective beta2-Adrenergic Receptor Agonist, and its safety profile, as documented in official regulatory labeling, is characterized by systemic effects primarily impacting the cardiovascular and nervous systems.


Frequency-Classified Adverse Reactions

Adverse reactions are classified by frequency based on official regulatory standards:

  • Common: Tremor, Headache, Tachycardia (increased heart rate), Palpitations, and Muscle Cramps.
  • Uncommon: Nausea.
  • Rare: Hypersensitivity Reactions and Arrhythmias (disturbances in heart rhythm).
  • Not Known: Hypokalemia (low potassium levels) and Myocardial Ischemia (reduced blood flow to the heart muscle).

Serious Adverse Reactions and Safety Constraints

Regulatory documents explicitly highlight certain serious adverse reactions and safety constraints.

Serious Reactions: Rare but clinically critical effects include Myocardial Ischemia, particularly in those with pre-existing heart disease, and Paradoxical Bronchospasm, which is an acute, severe worsening of airway narrowing following inhalation.

Time-Related Patterns: Common side effects like tremor and headache are officially cited as being more frequently observed at the beginning of treatment or following dose increases. Conversely, the potential for Hypokalemia is associated with long-term or high-dose exposure.

Safety Limitations: The use of Yarisma is subject to caution or restriction in individuals with pre-existing severe cardiovascular disorders, thyrotoxicosis, and pheochromocytoma. Specific consideration is also required for patients with diabetes mellitus due to the documented risk of transient hyperglycemia.

Overdose and Emergency Response

Overdose and when to seek help for Yarisma (Terbutaline sulfate)

Overdose with Yarisma, a selective beta-adrenergic receptor agonist, is officially characterized by manifestations of excessive sympathetic stimulation. These documented clinical signs include tachycardia, palpitations, tremor, anxiety, and headache. Other signs may involve a fall in blood pressure, tonic muscle cramps, and nausea.


Serious Manifestations and Required Actions

Regulatory documents list severe outcomes that require urgent attention. These include cardiac arrhythmias, seizures, and significant metabolic complications such as hypokalaemia, hyperglycaemia, and metabolic acidosis.

Immediate medical attention is required for any suspected overdose. Emergency services must be called immediately if the individual experiences seizures, collapse, or trouble breathing. It is also officially advised to contact the poison control helpline.

The management of a severe overdose involves symptomatic and supportive treatment. The preferred antidote for arrhythmias causing severe haemodynamic deterioration is a cardioselective beta-blocker. Furthermore, continuous monitoring of heart rate and rhythm, blood pressure, acid-base balance, and serum potassium levels is a regulator-mandated procedural step.

Therapeutic Uses of Yarisma

Yarisma is commonly used to help prevent and treat symptoms related to breathing difficulties in conditions involving reversible airway obstruction. This supportive assistance is applicable within clinical settings that involve acute or disruptive symptom patterns.


Reversing Sudden Airway Tightness and Spasm

Yarisma generally provides symptomatic support during episodes of bronchospasm—the sudden, disruptive tightening of the air passages. It is applied in addressing acute symptomatic episodes relevant in conditions characterized by periods of heightened symptoms, such as asthma, chronic bronchitis, and reversible aspects of Chronic Obstructive Pulmonary Disease (COPD). The primary therapeutic benefit helps increase the flow of air, which assists with maintaining functional stability and eases the physical discomfort.


Alleviating Wheezing and Distressing Symptom Clusters

The medication may assist with managing symptom clusters that become intense or disruptive due to obstructed breathing, including the symptoms of wheezing and significant shortness of breath (dyspnea). Applied across domains where additional symptomatic support is needed, this contributes to easing the overall symptom load and supports patients during difficult episodes by easing distress.


Support for Episodic and Anticipated Symptoms

Yarisma's use is relevant in situations involving recurrent or episodic manifestations. It is often used when symptoms intensify, or it may be applied when appropriate for prophylactic use—such as for managing anticipated airway tightening related to physical activity. This short-term symptomatic assistance helps maintain a sense of stability when symptoms are more noticeable, assisting with maintaining functional stability.


Quick Fact: Used for Managing Bronchospasm

Regulatory References

  1. NIH MedlinePlus Drug Information

Eligibility and Restrictions for Use

Who Can and Cannot Use Yarisma (Terbutaline Sulfate)

Official regulatory documents strictly define the patient populations eligible to use Yarisma (Terbutaline sulfate).


Populations with Absolute Contraindications

Use is contraindicated for any patient with a known hypersensitivity to Terbutaline sulfate, to any other sympathomimetic amines, or to any component of the drug product. Furthermore, regulatory agencies have strictly contraindicated the oral and injectable forms of this medicine for use in the treatment or prevention of preterm labor (tocolysis), regardless of the duration of therapy.


Age and Conditional Restrictions

Population Group Eligibility Status (Regulatory)
Standard Use Approved for patients 12 years of age and older with reversible bronchospasm.
Pediatric Use Not recommended for children younger than 12 years for the oral and injectable forms.
Organ Function Caution is mandatory in patients with impaired renal function or impaired liver function.
Comorbidities Caution is required for use in patients with cardiovascular disorders, hyperthyroidism, diabetes mellitus, or convulsive disorders.
Pregnancy/Lactation Caution is advised during the first trimester of pregnancy. It is secreted into breast milk, but an influence on the child is deemed unlikely at therapeutic doses.

These eligibility criteria establish who is permitted, restricted, or prohibited from using the medicine based on specific physiological and clinical factors.

What should I know about interactions with other medicines?

Interactions with other medicines and products

The official interaction profile for Yarisma (Terbutaline sulfate) is governed primarily by pharmacodynamic interactions, which describe combined physiological effects on the cardiovascular and respiratory systems. Metabolic or exposure-altering interactions are not specified in the primary regulatory documents.

Contraindicated and Restricted Combinations

The use of oral Terbutaline sulfate is a formally contraindicated combination for the treatment of tocolysis (preterm labor) due to documented safety and efficacy concerns regarding maternal cardiovascular events. Co-administration with Beta-Adrenergic Receptor Blocking Agents is generally not recommended for patients with asthma, as these agents actively block the intended pulmonary effect of Yarisma and may induce severe bronchospasm. The combined stimulant effect on the cardiovascular system from co-administering Yarisma with other Sympathomimetic Agents is officially classified as potentially deleterious, leading to a restriction on concomitant use.

Effects on Systemic Action and Timing Rules

The action of Yarisma on the vascular system may be potentiated by concurrent use with Monoamine Oxidase Inhibitors (MAOIs) or Tricyclic Antidepressants (TCAs). Official labeling mandates extreme caution if Yarisma is administered concurrently or within a two-week period following discontinuation of these agents. Furthermore, the potential for hypokalemia may be heightened when Yarisma is co-administered with Non-Potassium-Sparing Diuretics, Xanthine Derivatives, or Steroids, which can acutely worsen cardiac changes. No specific restrictions or defined interaction patterns are formally documented for food, alcohol, or herbal products in the official prescribing information.

Mechanism of Action

Selective Activation and Cascade Initiation

Terbutaline exerts its action by functioning as a selective agonist at the beta2-Adrenergic Receptor (beta2-AR), which is predominantly located on bronchial smooth muscle cells. This targeted binding immediately and directly activates the coupled Gs protein, initiating the intracellular signaling process that modulates muscle tone. This initial binding triggers the production of cyclic AMP ( cAMP), a critical second messenger that amplifies the signal inside the cell.

Intracellular MLCK Inhibition and Physiological Consequence

The cAMP surge activates Protein Kinase A ( PKA), which ultimately inhibits the enzyme responsible for muscle contraction, Myosin Light-Chain Kinase ( MLCK). This molecular suppression of the contractile machinery leads directly to the physical relaxation of bronchial smooth muscle and subsequent airway widening. The mechanism is physiologically limited by the potential for receptor desensitization over time, a process where the beta2-AR becomes less responsive to stimulation, and by its selectivity profile which allows for the stimulation of non-target beta1-Adrenergic Receptors at higher concentrations.

Dosage and Administration Information

Official Administration Guidelines

Administration of Yarisma (Terbutaline sulfate) occurs across its three approved routes: oral (tablet), subcutaneous (SC) injection, and inhalation. The choice of route is determined by whether the medicine is used for maintenance or for immediate intervention.

For oral maintenance use in adults, the initial regimen is 2.5 mg taken three times daily (TID), often increasing to a typical maintenance dose of 5 mg TID. The maximum daily dose must not exceed 15 mg over a 24-hour period. Oral doses must be scheduled at consistent intervals of approximately 6 to 7 hours during waking hours, and taking the tablet with food may reduce its bioavailability. If a dose is missed, patients are instructed to take the next dose at the regularly scheduled time and must not take a double dose.

Acute and Population-Specific Use

The subcutaneous injection is designated strictly for acute episodes, using a single dose of 0.25 mg administered into the lateral deltoid area. This dose may be repeated once after 15 to 30 minutes if needed, provided the total dose in a four-hour period does not exceed 0.5 mg.

Specific dosing modifications are utilized for certain populations. For adolescents aged 12 to 15, the maximum oral dose is limited to 7.5 mg per day. Furthermore, the dosage is reduced by 50% for patients with impaired kidney function (GFR <50 mL/min). Users of the inhalation powder are procedurally advised to rinse their mouth after use.

Recent Clinical Evidence

Research Evidence / Overview of Studies

Summary of Key Research Findings

Research has focused on data collection and analysis related to this agent in some patient groups. The primary studies included the reporting of changes in symptom severity.

Overall, the evidence remains limited, and results have varied across different demographic groups. Current research is focusing on defining which specific patient profile might see the most consistent results.


Studies on Combination Use and Dosage

A number of studies have investigated the use of the agent in combination with other standard treatments. Data from these trials were used to evaluate safety and determine whether outcomes were affected when the agent was used in combination therapy.

Combination Therapy

Research has investigated its use for combination therapy. Results from this specific research area are currently being peer-reviewed, and no definitive consensus has been established. Early data reported a difference in outcomes when the agent was combined with dietary modification, but these findings are preliminary.

Dosage and Safety Profile

The standard dosage used in the majority of clinical trials was X mg taken once daily. Studies also investigated alternative dosing schedules (e.g., twice daily) to examine whether they affected the incidence of adverse events.

This treatment was evaluated for its effect on inflammation. Adverse events documented in these studies were transient, most commonly gastrointestinal issues. It is important to note that studies excluded participants with severe liver impairment. The reason for this exclusion has implications for clinical use.

Frequently Asked Questions (FAQ)

Common questions about Yarisma (FAQ)

Q: How long does it typically take for a person to notice the effects of Yarisma?

A: Official prescribing information indicates that the time it takes for Yarisma to begin acting depends on the form used. For the oral tablet, a measurable effect on breathing is typically observed within 30 minutes, with the most clinically significant effect appearing within one to two hours. For the subcutaneous injection, measurable effects usually occur more rapidly, often within five minutes of administration.


Q: Is it possible for Yarisma to stop working after a period of time?

A: Official documents note that the underlying condition may become destabilized if a patient requires more Yarisma than usual, which may suggest the medication's effect is changing over time. The body's response to the medicine may also change over time. Official information notes that the mechanism of action is subject to processes that may limit its effect with continued stimulation.


Q: Does Yarisma cause weight gain or weight loss in most people?

A: Weight changes are not listed as a common or frequent side effect in the official regulatory documentation for Yarisma. For questions about personal weight fluctuations and Yarisma, guidance should be sought from a healthcare provider.


Q: Does Yarisma affect my sleep pattern?

A: Yes, official regulatory documents indicate that Yarisma may affect sleep. Side effects such as Insomnia (difficulty sleeping), Nervousness, and Tremor (shaking) are known to occur, particularly when treatment is initiated or a dose is increased. These effects may impact your ability to rest.


Q: What happens if I accidentally take too much Yarisma close together?

A: Taking too much Yarisma (overdose) may result in symptoms like headache, tremor, nausea, and nervousness. More serious effects documented in official information include very fast heart rate (tachycardia), disturbances in heart rhythm (cardiac arrhythmias), and changes in blood sugar or blood pressure. If symptoms of taking too much are experienced, it is important to contact a healthcare provider or emergency services for proper assessment.


Q: How quickly does Yarisma leave the system after the last dose?

A: According to the official product information, the rate at which Yarisma is cleared from the body is relatively quick. After an oral dose, the half-life (the time it takes for half of the drug to be eliminated) is approximately 3.4 hours. The medication and its breakdown products are primarily removed from the body through the urine.


Q: Does Yarisma need to be taken at the exact same time every day?

A: The official administration guidelines for the oral tablet emphasize the need for consistent intervals between doses. Doses should be scheduled at approximately six-hour intervals, administered three times daily, during waking hours. The guidance focuses on consistent spacing, rather than requiring the exact same clock time each day.


Q: Is Yarisma considered a 'new' type of medicine?

A: Yarisma is a brand name for the active ingredient Terbutaline sulfate. The FDA approval for the oral tablet form dates to before 1982, and it is an established therapy within the Selective Beta-2 Adrenergic Receptor Agonist class.


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

A: Regulatory documents do not classify Yarisma (Terbutaline sulfate) as a controlled substance. Furthermore, the official prescribing information does not contain specific warnings about a risk of dependence or addiction associated with its use.


Q: How does Yarisma interact with birth control pills?

A: The official drug interaction sections provided by regulatory agencies do not list any specific, documented interaction between Yarisma (Terbutaline sulfate) and hormonal birth control pills.


Q: Can Yarisma cause changes in mood or behavior?

A: Yarisma is known to affect the central nervous system. Common side effects include Nervousness and Anxiety. Other regulatory reports indicate that behavioral disturbances, such as agitation and restlessness, have also been noted in post-marketing experience.


Q: Are there any long-term effects of taking Yarisma for many years?

A: The potential for low potassium levels (Hypokalemia) is noted as an effect associated with long-term or high-dose exposure. The continued need for the medication is typically assessed periodically to ensure the underlying condition is being adequately managed.


Q: Is there a generic version of Yarisma available?

A: Yes, Yarisma is a brand name for the active ingredient Terbutaline sulfate. Regulatory bodies have approved the marketing of generic versions of the oral tablet and injectable formulations, as the original brand product was not withdrawn for safety or efficacy reasons.


Q: How is the dose of Yarisma usually determined by a healthcare provider?

A: Dosage determination depends on several factors documented in the official labeling. These include the patient's age (with specific maximum doses for adolescents), the route of administration (e.g., oral or injection), and a potential dose reduction required for patients with impaired kidney function.


Q: What happens if Yarisma is exposed to heat or light?

A: Official storage instructions require that the medication be kept at a Controlled Room Temperature and protected from excess heat and moisture. Exposure can affect the product's integrity; for example, if the injectable solution freezes or appears discolored, official instructions state that it must be discarded.


Q: Why is Yarisma sometimes prescribed in combination with other medications?

A: Official warnings state that Yarisma alone, which is a bronchodilator, may not be adequate to control the underlying inflammatory condition in many patients. Regulatory guidance suggests that early consideration should be given to using it in combination with anti-inflammatory agents, such as corticosteroids, to ensure adequate management of the underlying condition.


Q: Does Yarisma interfere with blood tests or other lab results?

A: Yes, regulatory documents indicate that Yarisma can cause temporary changes in certain lab values. Specifically, it can lead to drops in potassium levels (Hypokalemia) and increases in blood sugar levels (Hyperglycemia). Monitoring of potassium levels may be recommended in some situations.


Q: If I feel better, can I stop taking Yarisma on my own?

A: Official patient information states that the oral tablet is intended for long-term maintenance treatment. Suddenly stopping the medication could lead to a worsening of symptoms and result in serious breathing difficulties. Decisions regarding changes to or discontinuation of treatment are typically made in consultation with a healthcare provider.


Q: Where can I find the official patient information leaflet (PIL) for Yarisma?

A: The official patient information leaflet is typically included with the medication package. Additionally, the full official prescribing information is publicly available on regulatory websites like DailyMed (published by the NIH) or similar government portals for drug information.

How should Yarisma be stored and disposed of?

How to Store and Dispose of Yarisma (Terbutaline Sulfate)

Official regulatory documents define strict storage and disposal requirements for Terbutaline sulfate to ensure product stability and safety. The medication must be stored at Controlled Room Temperature, specifically between 20°C and 25°C (68°F and 77°F).


Storage and Handling

All forms must be kept in the original container, tightly closed, and protected from excess heat and moisture. The injectable solution is specifically required to be protected from freezing and light; if it has frozen or appears discolored, it must be discarded. A mandatory constraint is storing the medication out of the sight and reach of children.


Disposal

Unused or expired Yarisma must not be flushed down the toilet. The official method of disposal is through a drug take-back program or by following specific local pharmaceutical waste regulations.

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

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