Desolon

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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 Desolon

Quick Facts

Property Description
Active Ingredients Desogestrel and Ethinyl Estradiol (EE)
Form Tablet (Oral dosage form)
Pharmacological Class Combined Oral Contraceptive (COC)
Common Use Contraception / Prevention of pregnancy
Origin Synthetic (Steroid hormones)

Desolon: Definition, Type, and General Purpose

Desolon is a prescription-only medication (POM) classified as a combined oral contraceptive (COC), explicitly designed for the systematic prevention of pregnancy in women of reproductive age. This drug is consistently administered as an oral dosage form tablet, placing it within the category of hormonal birth control agents. Its formulation is characteristically monophasic, meaning the two active ingredients are delivered at a consistent, fixed level throughout the active period of the pill cycle. The singular, general therapeutic purpose of Desolon is to provide highly reliable contraception, a function widely and clinically recognized for combination hormonal agents. For example, this combination is typically used as a primary method of hormonal birth control for patients seeking a daily oral option.

Composition and Origin: Synthetic Steroids and Third-Generation Progestin

The core of Desolon's pharmacological identity lies in its two active ingredients, both of synthetic origin: the synthetic progestin Desogestrel and the synthetic estrogen Ethinyl Estradiol (EE). This pairing is recognized as an estrogen-progestin combination product. Desogestrel is classified as a third-generation progestin, a designation reflecting its development to optimize specific pharmacological characteristics compared to earlier progestins in the hormonal contraceptive family. This pharmacological distinction establishes Desogestrel as a component of modern COC formulations. This focus on Desogestrel as the progestin distinguishes the formulation, ensuring a modern, well-researched compound is used. The combination of these two distinct synthetic steroids ensures a robust chemical foundation necessary for inhibiting the hormonal drivers of ovulation.

What side effects are possible with Desolon?

Desolon: Possible side effects and safety information

The official safety profile for Desolon (Desogestrel/Ethinyl Estradiol), a combined oral contraceptive, is defined by documenting adverse reactions by frequency and physiological system, as classified in regulatory documents like the FDA Prescribing Information and the EMA Summary of Product Characteristics (SmPC).


Frequency-Classified Adverse Reactions

The most frequently documented side effects fall into the Common category (affecting 1-10% of users). These often include headache, nausea, abdominal pain, depressed mood or mood altered, breast pain or tenderness, and weight increased. Effects classified as Uncommon (le1%) include vomiting, diarrhea, fluid retention, migraine, rash, and changes in libido. Reactions classified as Rare (le0.1%) include hypersensitivity, contact lens intolerance, and specific skin disorders like erythema nodosum.


Serious Safety Risks and Time-Related Patterns

The most serious, though rare, risks documented in official labeling involve thromboembolism. These include Venous Thromboembolism (VTE), such as Deep Vein Thrombosis and Pulmonary Embolism, and Arterial Thromboembolism (ATE), which may manifest as myocardial infarction or stroke. Regulatory documents indicate that the risk of VTE is highest during the first year of use and when restarting treatment after a break of four weeks or more.

Additional serious risks listed include hepatic neoplasia (liver tumors) and an association with slightly increased relative risk of breast cancer among current users. Irregular bleeding or spotting is a common occurrence, often noted to be more frequent during the initial three months of use.


Specific Safety Constraints

Official labeling notes that the medication is not indicated for use in elderly women. Individuals with a history of chloasma/melasma should be aware that sun or UV light exposure may cause recurrence or worsening of the condition. Use during breastfeeding is generally not recommended.

Overdose and Emergency Response

The official regulatory profile for Desolon (Desogestrel/Ethinyl Estradiol) overdose outlines acute manifestations that are typically mild and transient. These documented symptoms include nausea, vomiting, and the occurrence of vaginal bleeding, often described as withdrawal bleeding similar to a menstrual period. Other possible presentations noted in regulatory documentation include headache, drowsiness, and breast tenderness.

While no serious harmful effects are commonly reported from the overdose itself, immediate medical attention is required for symptoms associated with the drug class's severe, life-threatening risks. Regulatory documents mandate contacting emergency services or a Poison Control Center immediately if severe or critical signs appear, such as sudden severe headache, chest pain, difficulty breathing, or signs of a blood clot (e.g., pain, swelling, or warmth in a leg).

Regulatory information explicitly confirms that no specific antidote is known for Desolon overdose. Accordingly, treatment is officially designated as symptomatic and supportive. This may involve the professional monitoring of vital signs and, in certain circumstances, the administration of activated charcoal to reduce absorption. For young girls who ingest the medication, the documentation notes the possibility of slight vaginal bleeding.

Therapeutic Uses of Desolon

Quick Facts: Desolon Uses

  • Relief: May provide relief from redness, itching, and swelling.
  • Dermatoses: Used in the management of corticosteroid-responsive skin conditions.
  • Atopic Dermatitis: Is a treatment option for mild to moderate atopic dermatitis (eczema).
  • Psoriasis: May be used to help manage the symptoms of psoriasis.

Desolon is a prescription medication used for the symptomatic relief of the inflammatory and pruritic (itchy) manifestations associated with various skin conditions known to respond to corticosteroid treatment. As a topical treatment option, it is utilized in the management of certain dermatoses to help minimize redness, swelling, and discomfort on the skin.

Specifically, Desolon is indicated as a treatment for mild to moderate atopic dermatitis (eczema) in patients aged three months and older. The medication may also be prescribed to support the reduction of symptoms associated with psoriasis and other steroid-responsive skin disorders. The goal of this treatment is to help achieve control of the condition's signs and contribute to improved patient comfort.

Patients should use this medication only as directed by a qualified healthcare professional and should seek further guidance if their skin condition does not show a response within the prescribed duration.

Eligibility and Restrictions for Use

Desolon (Desogestrel and Ethinyl Estradiol) is a prescription combined oral contraceptive with officially defined population-eligibility rules and absolute non-eligibility criteria (contraindications) established by regulatory bodies.

Populations Who Must Not Use Desolon

The medicine is contraindicated for several specific groups, including women over 35 years of age who smoke due to a significantly increased risk of serious cardiovascular events. Contraindications also apply to individuals with a current or history of thromboembolic disorders (such as deep vein thrombosis or pulmonary embolism), coronary or cerebrovascular disease, and migraine headaches with focal aura.

Use is prohibited in patients with known or suspected pregnancy, estrogen-dependent neoplasia (like breast cancer), and specific acute or chronic hepatocellular diseases or hepatic tumors.

Eligibility Restrictions and Considerations

The use of Desolon is not recommended for women who are breastfeeding or for females who have not yet reached menarche. Additionally, the medicine must be discontinued at least four weeks before and for two weeks after major elective surgery or during periods of prolonged immobilization due to temporary elevated risk factors.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Desolon (Desogestrel/Ethinyl Estradiol) possesses an officially documented interaction profile centered on hormonal exposure and specific regulatory prohibitions.

Formal Contraindications

Co-administration with specific medicinal products is formally prohibited by regulatory bodies. This includes drug regimens containing ombitasvir/paritaprevir/ritonavir, with or without dasabuvir, and regimens containing glecaprevir/pibrentasvir, due to the documented risk of significant liver enzyme elevations. The combination with oral Tranexamic Acid and Fezolinetant is also contraindicated in official labeling.

Exposure-Modifying and Pharmacodynamic Interactions

A clinically significant interaction occurs with several enzyme-inducing medications, such as Rifampicin and specific anticonvulsants (e.g., Phenytoin or Carbamazepine). These agents are officially documented to decrease the plasma concentrations of the contraceptive hormones, resulting in reduced contraceptive effectiveness. The herbal product St. John's Wort is also classified as an enzyme inducer with the same outcome.

In pharmacodynamic interactions, the contraceptive is documented to reduce the exposure of co-administered Lamotrigine, potentially leading to diminished therapeutic effect. Furthermore, the efficacy of antidiabetic agents may be officially decreased. Regarding administration timing, hormonal contraception must be discontinued before initiating therapy with certain Hepatitis C combination regimens. Consumption of Grapefruit or Grapefruit Juice is explicitly restricted due to its documented potential to alter the drug's absorption.

Mechanism of Action

How Desolon Works: Mechanism of Action

Desolon initiates its effect by selectively binding to and modulating the RX Receptor System . This action is the primary mechanistic domain, directly altering the activity of key receptors to dampen cellular responsiveness and modulates overactive signaling patterns within defined neural or humoral pathways. The initial receptor modulation leads to targeted interference with subsequent intracellular signal transduction cascades. By modifying the activity of secondary messenger molecules, Desolon results in reduced amplification and propagation of signals, contributing to a shift in pathway activity toward a regulated state and influencing systemic physiological outcomes. Through these combined effects, Desolon ultimately influences the dynamics of overactive physiological responses. This targeted pathway adjustment reduces the magnitude of signaling driven by excessive mediator activity, leading to predictable physiological changes that define the drug’s overall mechanism-linked effect profile.

Dosage and Administration Information

The administration of Desolon, a combined oral contraceptive, is based on a strict daily oral route of administration. The entire usage protocol is defined by consistent adherence to a 28-day cyclical regimen that is initiated on either Day 1 or the first Sunday following the start of menses.

Standardized Dosing and Timing

The required dosing schedule specifies taking one tablet daily, which must occur at the same time every day to maintain hormonal consistency. This daily frequency pattern is maintained continuously, where each 28-day pack consists of 21 consecutive days of active tablets followed by 7 days of non-active (inert) tablets. The next cycle must be started immediately after the current pack is finished. The tablets can be taken with or without food, with some official labeling suggesting intake after the evening meal or at bedtime for convenience.

Procedural and Population Rules

Postpubertal adolescents follow the identical dosing schedule and procedural rules as adults. No special preparation requirements such as dilution are necessary, but the tablet must be taken in the order directed on the pack. A specific, label-driven missed-dose protocol must be followed if an active tablet is missed to address the immediate schedule disruption.

Summary of Protocol

The established procedural rules for Desolon define the standardized approach to oral contraception, requiring rigid adherence to the 28-day continuous cycle and the daily fixed-time administration.

Recent Clinical Evidence

Research evidence / Overview of studies for Desolon

The research base for Desolon (containing desogestrel and ethinyl estradiol) consists of large-scale clinical trials and follow-up studies. Research describes its primary intended use and the pharmacological changes that were observed in study participants.


Evidence for Preventing Pregnancy (Contraception)

Studies concerning the contraceptive role of Desolon primarily involve Randomized Controlled Trials (RCTs) and extensive epidemiological studies. These types of research were evaluated in thousands of healthy, post-menarche women of reproductive age to monitor outcomes. Researchers primarily examined outcomes related to contraceptive efficacy, which is calculated using the Pearl Index—a standard metric describing the number of unintended pregnancies that occur per 100 woman-years of use.

Findings describe patterns related to the difference in efficacy measurements between perfect use (consistent and correct use as directed in a controlled study) and typical use (reflecting real-world adherence, which may include occasional missed doses). Studies report that typical use efficacy measurements may be lower than those observed in trials where compliance is maximized.


Research on Pharmacological Effects Beyond Contraception

Research has examined the drug's influence on various circulating biomarkers within the body, which include serum lipid concentrations (such as HDL-C, LDL-C, and triglycerides) and markers related to bone turnover. These studies often involve meta-analyses that pool data from multiple controlled trials, and the observation periods are typically short-term or intermediate-term (e.g., three to six months).

For example, some trials describe patterns of changes in lipid levels, with findings data show patterns related to an increase in HDL-C and triglycerides, and a reduction in LDL-C being observed in some studies. These findings contribute to the broader evidence landscape regarding how combined hormonal agents interact with the body's metabolic systems.


Key Limitations and Areas of Research Uncertainty

A key challenge highlighted by regulatory reviews is the distinction between the perfect use and typical use efficacy observed in the research; study results reflect the specific conditions under which they were conducted, and real-world outcomes may vary significantly based on individual compliance with the regimen. Furthermore, for some non-contraceptive effects, the research relies heavily on short-term, surrogate biomarkers rather than long-term hard clinical endpoints (like actual disease incidence), meaning certainty remains low regarding the clinical relevance of these findings.

Key Studies & References

  1. Desogestrel and Ethinyl Estradiol Tablets, USP and Ethinyl Estradiol Tablets, USP (Product Label)

Frequently Asked Questions (FAQ)

Common questions about Desolon (FAQ)

Q: How quickly does Desolon start to work after taking it?

The time it takes for Desolon to provide contraceptive protection depends on when the pack is initiated. If administration begins on the first day of the menstrual period, a back-up method may not be necessary, according to official guidelines. If starting on the first Sunday after the period, official product instructions state that a non-hormonal back-up method is generally recommended for the first seven days.

Q: Can women who are pregnant or breastfeeding use Desolon?

Desolon is contraindicated and should not be used if pregnancy is known or suspected. For women who are breastfeeding, official information states that use is generally not recommended. Alternative options should be discussed with a healthcare provider if breastfeeding.

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

Regulatory documents list common adverse reactions that users may experience, which include nausea, vomiting, abdominal cramps or bloating, breast tenderness, headache, and weight gain. These are common observations, and users are advised to consult their health professional if these effects persist or become bothersome.

Q: Can Desolon cause changes in my mood or sleep patterns?

Official labeling documents often list depressed mood or mood altered as common side effects. The link between the medication and emotional state is documented by the inclusion of mood changes as an adverse reaction. However, specific mention of changes in sleep patterns is not typically included as a primary side effect on the regulatory label.

Q: What research has been done on the long-term safety of Desolon?

The official long-term safety profile is informed by regulatory warnings regarding rare but serious risks, such as blood clots (thromboembolism). Official information indicates that the risk of blood clots is highest during the first year of use. Other serious, rare risks, including liver tumors, are also documented for continued use.

Q: Can I stop taking Desolon suddenly, or does it need to be tapered off?

Regulatory labels do not describe a 'tapering' schedule; the standard method is to stop taking the tablet. However, the regulatory labeling does indicate that the medication needs to be stopped during certain periods, such as before and after major surgery or prolonged immobilization, due to an increased risk of blood clots.

Q: Is it okay to drink alcohol while taking Desolon?

The product's regulatory labeling does not contain a strict prohibition against consuming alcohol. Official interaction databases generally classify alcohol as a minor interaction with the hormonal components. Users are generally advised to be mindful of individual tolerance when combining any medication with alcohol.

Q: What is the typical dosage strength of Desolon tablets?

The dosage schedule is always one tablet per day. Official dosage forms typically contain standardized amounts of the two active ingredients, Desogestrel and Ethinyl Estradiol. These specific strengths are detailed in the product information section provided by the regulatory body.

Q: What should I expect in terms of how long Desolon's effects last?

Desolon is designed to be taken daily to maintain a steady level of hormones for continuous protection. Official pharmacokinetic data shows that the active metabolite of Desogestrel has an elimination half-life of approximately 27.8 hours at steady-state. This pharmacokinetic information supports the requirement for consistent, daily administration of the pill.

Q: Does Desolon treat the cause of an illness or just the symptoms?

Desolon is officially indicated for the prevention of pregnancy. Its function is primarily as a preventative method of birth control. It is not approved or intended for use as a treatment to address the underlying cause of a disease.

Q: Can taking Desolon affect the results of lab tests?

Yes, official product information states that Desolon can affect the results of certain laboratory tests. The drug may influence levels of various clotting factors, thyroid binding globulin, and other biochemical parameters that are measured in blood work.

Q: What happens if I accidentally miss a dose of Desolon?

Official product information contains a detailed, specific protocol for missed doses. It is important to refer directly to the patient information leaflet or consult a healthcare provider for the exact instructions based on how many tablets were missed and when in the cycle the dose was missed.

Q: Does Desolon come in different forms (e.g., tablet, liquid, cream)?

Desolon is a combined oral contraceptive that is regulated and made available primarily as an oral tablet.

Q: Is Desolon known to cause weight gain or loss?

Official adverse reaction lists include weight increased as a common reaction that may be experienced by users. A direct mention of weight loss is not typically highlighted in the adverse reaction information.

Q: What should I do if a side effect of Desolon is bothersome?

Official patient information advises that a healthcare professional should be contacted if side effects are bothersome, persistent, or do not go away. For signs of a serious event, such as a blood clot, immediate medical attention is required.

Q: Does Desolon interact with birth control pills?

Since Desolon is a combined hormonal contraceptive pill itself, it would not be taken simultaneously with another hormonal contraceptive pill. Combination hormonal contraceptives should not be taken together.

Q: Can Desolon cause changes in blood sugar levels?

The hormonal components may interfere with blood glucose control. Regulatory information notes that Desolon may reduce the effectiveness of antidiabetic agents. Patients who have diabetes should monitor their blood sugar closely, as is standard practice when starting any new medication that may affect glucose control.

Q: Is Desolon known to cause digestive issues like stomach upset?

Yes, official product information lists common gastrointestinal symptoms. These include nausea, vomiting, and abdominal cramps or bloating as adverse reactions that may occur, especially when first starting the medication.

Q: Is Desolon available over the counter, or is it prescription-only?

Desolon is classified as a prescription-only medication. It must be prescribed by a licensed healthcare provider.

How should Desolon be stored and disposed of?

How to Store and Dispose of Desolon

Desolon (topical desonide) must be stored and handled according to official regulatory requirements to ensure product stability and safety.


Storage Requirements

  • Temperature: Store at controlled room temperature between 20°C and 25°C (68°F and 77°F). Temperatures must not exceed 30°C (86°F).
  • Protection: The medicine must be kept from freezing and protected away from excess heat, moisture, and direct light.
  • Container: Store Desolon in the tightly closed container it came in. Do not keep outdated medicine.
  • Child Safety: It is mandatory to keep this medication out of the reach of children and out of their sight.

Disposal Procedures

Unused or expired Desolon should be disposed of via an official drug take-back program or mail-back envelope. If a take-back program is unavailable, the product must be mixed with an undesirable substance, sealed in a container, and discarded in the household trash. Foam canisters should not be punctured or thrown into a fire.

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

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