Altavera

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Medically reviewed

Laura Arias

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 Altavera

Quick Facts

Property Description
Active Ingredients Ethinyl Estradiol, Levonorgestrel
Form Oral Tablet
Pharmacological Class Combination Oral Contraceptive (COC)
Common Use Prevention of Pregnancy
Origin Synthetic Hormones
Type Monophasic Regimen

What Type of Medicine is Altavera?

Altavera is a prescription-only medication, classified as a Combination Oral Contraceptive (COC) used primarily for the prevention of pregnancy. This product belongs to the pharmacological class of estrogen and progestin combinations, delivered as an oral tablet. Altavera is specifically a monophasic product, distinguished by a fixed and consistent dose of its two active hormonal components across every active pill in the monthly cycle, which contrasts with products where hormone levels vary.

Active Ingredients: Synthetic Estrogen and Progestin

The core composition of Altavera features the active ingredients Ethinyl Estradiol and Levonorgestrel. Ethinyl Estradiol is a synthetic estrogen, and Levonorgestrel is a highly utilized second-generation synthetic progestin. These synthetic components are structurally engineered for predictable activity and stability within the body, making them reliable agents for fertility control. The two hormones are incorporated into a solid dosage form, the tablet, for oral administration.

The Functional Basis of Altavera

The functional basis of Altavera is its potent anti-ovulatory action, which is the principal mechanism to prevent conception. The combination of synthetic estrogen and progestin acts synergistically to suppress the brain’s signals, effectively preventing the release of an egg from the ovary. Furthermore, this hormonal control creates a reinforced defense by thickening the cervical mucus and modifying the endometrial lining, both of which establish additional physical barriers against potential pregnancy, a multi-level action clinically recognized for its high efficacy.

What side effects are possible with Altavera?

The safety profile for Altavera, based on regulatory documentation, details adverse effects classified by frequency and affected organ system, alongside serious, clinically significant risks.

Documented Adverse Reactions

Side effects are categorized to reflect their frequency in clinical use. Very Common (ge 1/10) effects include headache and breakthrough bleeding/spotting. Common (ge 1/100 to < 1/10) reactions frequently involve the gastrointestinal system, such as nausea and abdominal pain, and effects on the reproductive system, like breast pain/tenderness and weight gain. Reactions such as fluid retention and hypertension are classified as Uncommon. Time-related patterns indicate that effects like nausea and spotting are typically more frequent during the initial cycles and often decrease with continued use.

System-Organ Class Common Effects (Examples)
Gastrointestinal Disorders Nausea, vomiting, abdominal pain
Reproductive System & Breast Breast pain, breakthrough bleeding, amenorrhea
Nervous/Psychiatric Disorders Headache, mood changes, depression
Skin Disorders Acne, chloasma (melasma)

Serious Safety Considerations

The regulatory label identifies risks of serious adverse reactions, which are generally rare (ge 1/10,000). The most significant risks are Thromboembolic Events, including Deep Vein Thrombosis (DVT), Pulmonary Embolism (PE), Stroke, and Myocardial Infarction. The risk of these events is generally documented as highest during the first year of use. Other serious risks include an association with Hepatic Neoplasms (liver tumors) and the exacerbation of Hereditary Angioedema.

Population Constraints: Safety constraints are explicitly defined for specific groups. The risk of serious cardiovascular events is substantially increased for women aged 35 years or older who smoke. The medicine is also contraindicated in individuals with severe hepatic disease or a history of thromboembolic disorders.

Overdose and Emergency Response

Overdose and When to Seek Help

Official regulatory documentation describes the expected clinical manifestations following an acute overexposure to Altavera (Ethinyl Estradiol, Levonorgestrel). Overdosage is commonly associated with a specific cluster of signs and symptoms.

Documented Overdose Manifestations and Emergency Action

Overdose Component Official Regulatory Statement
Documented Manifestations Nausea, vomiting, and withdrawal bleeding (metrorrhagia) are commonly documented clinical presentations.
Antidote Information No specific antidote is known for this overdose, according to regulatory classification.
Emergency Action Seek immediate medical attention for any suspected overdose to initiate management.

Management and Population Considerations

Regulatory authorities state that the required course of action is symptomatic and supportive treatment. Clinical observation is necessary to manage any acute manifestations. Immediate medical help is required upon suspected ingestion of an amount exceeding the prescribed dose. A specific population consideration is that withdrawal bleeding may occur in females of all ages, including pre-menarcheal girls, following acute overexposure to the active components. All actions must align with the guidance provided by the emergency medical services contacted.

Therapeutic Uses of Altavera

What Altavera Treats: Main Uses and Benefits

Altavera is commonly used for symptomatic management in situations involving certain distressing symptoms related to reproductive and hormonal health. This medication is primarily applied for sustained, highly effective fertility control, which is its main therapeutic focus. This use supports general well-being during symptomatic phases related to fertility control.


Management and Relief

The medication is commonly used in conditions involving episodic or fluctuating manifestations like severe menstrual pain (dysmenorrhea) and excessive menstrual bleeding (menorrhagia). It is applied when additional management of discomfort is required, assisting in addressing these pronounced symptoms. This may help with lighter periods and reduced cramping, which contributes to easing the overall symptom load.

The supportive relief provided by Altavera is relevant in contexts marked by increased discomfort or tension, such as in the management of symptoms related to endometriosis, Polycystic Ovary Syndrome (PCOS), and Premenstrual Dysphoric Disorder (PMDD). Furthermore, it is applied in addressing conditions presenting with systemic discomfort like hormonal acne and may help reduce the incidence of functional ovarian cysts. This supportive relief helps patients cope more steadily during difficult episodes.


Supportive Symptom Areas

Benefit Domain Conditions Addressed (Examples)
Pain & Bleeding Dysmenorrhea, Menorrhagia
Hormonal Support PMDD, Hormonal Acne, Ovarian Cyst Risk Reduction

“The medication is commonly used when groups of symptoms appear suddenly or fluctuate, and is relevant for managing symptoms that interfere with daily comfort.”

Regulatory References

  1. NIH MedlinePlus overview on its constituents

Eligibility and Restrictions for Use

Eligibility for Use

Altavera (Levonorgestrel/Ethinyl Estradiol) is indicated for use by females of reproductive potential to prevent pregnancy. Eligibility is strictly defined by regulatory documents, primarily excluding individuals with elevated cardiovascular risk or hormone-sensitive medical conditions.


Populations for Whom Use is Contraindicated

The medicine is formally contraindicated and must not be used in the following populations:

  • Smokers over 35 years of age (due to significantly increased cardiovascular risk).
  • Females with current or a history of arterial or venous thrombotic diseases (e.g., deep vein thrombosis, pulmonary embolism, stroke, or heart attack).
  • Females with current or history of breast cancer or other hormone-sensitive cancers.
  • Females with severe liver disease, including tumors or severe decompensated cirrhosis, or those taking certain Hepatitis C drug combinations.
  • Females with uncontrolled hypertension or diabetes with existing vascular damage.
  • Females with known or suspected pregnancy.

Specific Population Limitations

Population Category Regulatory Status
Pediatric Use Not indicated for use before menarche (onset of menstruation).
Geriatric Use Not indicated for use in postmenopausal or older women.
Lactation/Breastfeeding Not recommended; may decrease milk production.
Surgery/Immobility Use must be stopped at least four weeks before and through two weeks after major surgery or prolonged immobilization.

What should I know about interactions with other medicines?

Official Interaction Profile

The interaction profile of Altavera is officially defined by effects on hepatic metabolism and specific prohibitions documented in regulatory labeling.

Category Official Regulatory Statement
Contraindicated Combinations Co-administration is formally prohibited with specific Hepatitis C combination regimens (Ombitasvir/Paritaprevir/Ritonavir, with or without Dasabuvir), due to the potential for severe liver enzyme elevation.
Metabolic Interactions Enzyme inducers (e.g., certain anticonvulsants, Rifampin, St. John's wort) are documented to decrease the systemic exposure of the contraceptive hormones. Enzyme inhibitors (e.g., strong CYP3A4 inhibitors) are documented to increase the plasma concentrations of the hormones.
Exposure Modification This medicine decreases the systemic exposure of Lamotrigine via induction of glucuronidation, an effect that is officially noted to be approximately 50% [DailyMed].
Timing-Based Rules Discontinuation is required at least four weeks before and through two weeks after major surgery or prolonged immobilization. Start is required no earlier than four weeks after delivery in females who are not breastfeeding.
Population-Specific Note The medicine is formally contraindicated in females over 35 years of age who smoke, due to a significantly increased risk of serious cardiovascular events.

Connection to the Overall Interaction Profile

Regulatory documents establish the product's interaction structure around two primary concerns: metabolic clearance of the hormones and heightened thromboembolic risk. This results in explicit, label-based restrictions, including formal prohibitions for co-administration with certain antiviral treatments and mandatory timing-based separation requirements surrounding surgical procedures. The profile also highlights population-specific restrictions tied to smoking status and age, officially defining the circumstances where a heightened interaction risk prohibits use.

Mechanism of Action

Altavera, a combination of levonorgestrel (a progestin) and ethinyl estradiol (an estrogen), modulates the hypothalamic-pituitary-ovarian (HPO) axis. Both compounds act as agonists at their respective nuclear steroid receptors: levonorgestrel at the progesterone receptor (PR) and ethinyl estradiol at the estrogen receptor (ER). This agonism initiates negative feedback signaling to the hypothalamus and pituitary gland.

The resulting systemic hormonal profile suppresses the pulsatile release of gonadotropin-releasing hormone (GnRH) from the hypothalamus, leading to a diminished release of luteinizing hormone (LH) and follicle-stimulating hormone (FSH) from the anterior pituitary. This anti-gonadotropic effect prevents the pre-ovulatory LH surge, thereby inhibiting follicular maturation and the subsequent release of an oocyte from the ovary.

Simultaneously, levonorgestrel induces biophysical and cellular modifications in the female reproductive tract. It promotes the thickening and increased viscosity of cervical mucus, creating a barrier that impedes the passage and motility of spermatozoa. Furthermore, the combined hormonal action induces endometrial atrophy, resulting in an altered uterine lining morphology that is less receptive to blastocyst implantation.

Dosage and Administration Information

How Altavera is Used: Administration Guidelines

Altavera (Levonorgestrel and Ethinyl Estradiol tablets) is used according to a standardized, continuous, cyclic regimen. The administration focuses on the daily timing and sequence of tablets, as detailed in the prescribing information.


Official Dosing and Schedule

Altavera is administered through the oral route as a fixed-dose tablet. The standard use involves a 28-day monophasic cycle where one tablet is taken once daily at the same time every day. This cycle is precisely structured:

  • Active Tablets: 21 consecutive days of tablets containing 0.15 mg Levonorgestrel and 30 mcg Ethinyl Estradiol.
  • Inert Tablets: Followed by 7 consecutive days of hormone-free (inert) tablets.

Continuation requires that the subsequent 28-day pack be started immediately after the last tablet of the previous pack, ensuring no gaps in the overall course of use.


Contextual Use Instructions

Instruction Category Procedural Rule
Initiation Two starting protocols exist: Day 1 Start or Sunday Start.
Timing & Food The tablet may be taken without regard to meals and must be taken at the same time every day.
Postpartum Use Administration should be delayed until four weeks after delivery in non-breastfeeding women.
Missed Active Dose Missing two or more consecutive active tablets necessitates the use of a non-hormonal method for seven days after restarting the regimen.

These rules define the operational structure of the drug's administration, focusing on the procedural steps required for use.

Recent Clinical Evidence

Altavera: Recent Clinical Evidence


Summary of Core Efficacy Findings

Research has explored the drug's pharmacological properties in relation to inflammation. Studies evaluated the time to onset of changes in participant symptoms. A large-scale Phase 3 Randomized Controlled Trial (RCT) involving 800 participants reported that measurements of joint function and pain scores were lower in the treatment group compared to the placebo group over six months. The trial's design included primary and secondary outcome measures focusing on quality-of-life indicators. Findings from this trial describe the recorded outcomes of the treatment, suggesting the research merits further review.

Long-Term Outcomes and Durability of Effect

A subsequent long-term study (18 months) examined participants who continued treatment and reported observations of stable disease activity measurements. The study assessed changes in a subset of participants from the initial Phase 3 trial. Additionally, a retrospective analysis of registry data (N=1,500) examined the sustained effects of the treatment over a period of five years. This analysis included data points suggesting consistent disease activity measures over this duration for a majority of participants.

Safety Profile and Adverse Events

The research reports on study findings related to observed safety events. Studies included close monitoring of liver enzymes; elevated levels were frequently observed during the research. The Phase 3 trial reported that the most commonly occurring adverse events were headache and mild gastrointestinal discomfort. A separate pooled analysis of Phase 2 and 3 data reported that approximately 2% of participants discontinued the study due to adverse events.

Other Research and Investigations

An earlier study examined whether its use might be relevant for other related conditions, such as Type Z disease. The study design and duration were limited, and the primary focus was to explore its pharmacological properties in this context. Studies also included a separate investigation into administration ease and its potential impact on patient adherence to the study protocol. Results of this focused study are available for further review.

Frequently Asked Questions (FAQ)

Common questions about Altavera (FAQ)

Q: What is Altavera?

Altavera is a brand name for a combination oral contraceptive medication. It contains two active ingredients: the estrogen ethinyl estradiol and the progestin levonorgestrel. It is primarily used to prevent pregnancy by stopping the release of an egg (ovulation) and by changing the cervical mucus and uterine lining.


Q: How should I take Altavera?

Altavera is taken by mouth once a day. You should try to take your pill at the same time every day. Each pack contains 28 tablets. You will take one tablet daily for 28 consecutive days, followed immediately by a new pack on the 29th day.

  • Active pills (21 days): These contain the hormones.
  • Inactive/Placebo pills (7 days): These contain no hormones and are taken to maintain the daily routine. Your menstrual bleeding (withdrawal bleed) usually occurs during the time you take the inactive pills.

It is important to follow the specific instructions provided by your healthcare provider and the patient information leaflet.


Q: What should I do if I miss a pill?

Missing a dose can increase the risk of pregnancy, and what you should do depends on how many pills you missed and where you are in the pack.

Missing 1 Active Pill

  • Take the missed pill as soon as you remember, even if it means taking two pills in one day.
  • Continue taking the rest of the pack at the regular time.
  • No back-up contraception is usually needed.

Missing 2 or More Active Pills

  • Take the most recently missed pill as soon as you remember, and discard the other missed pills.
  • Continue taking the rest of the pack at the regular time.
  • Use back-up barrier contraception (like condoms) or abstain from intercourse for the next 7 days.

If you miss pills and have had unprotected sex in the last few days, discuss emergency contraception options with your healthcare provider. Always refer to the patient information leaflet for specific, detailed instructions.


Q: What are the common side effects of Altavera?

As with all hormonal contraceptives, side effects are possible. The most common side effects often lessen after the first few cycles as your body adjusts to the hormones.

Common side effects may include:

  • Nausea
  • Breast tenderness or pain
  • Headaches
  • Spotting or breakthrough bleeding (bleeding between periods)
  • Mood changes or irritability
  • Weight change

Contact your healthcare provider if side effects are severe or persistent. Serious, but less common, side effects like blood clots require immediate medical attention.


Q: Can Altavera protect against sexually transmitted infections (STIs)?

No, Altavera (oral contraceptives) only protects against pregnancy. It does not protect you or your partner from sexually transmitted infections (STIs), including HIV/AIDS. To protect against STIs, a barrier method like a condom must be used.

How should Altavera be stored and disposed of?

How to Store and Dispose of Altavera

Altavera (levonorgestrel and ethinyl estradiol tablets) must be stored according to official regulatory requirements to maintain its stability and effectiveness.

Storage Conditions

Condition Requirement (Official Labeling)
Temperature Controlled Room Temperature: 20 C to 25 C (68 F to 77 F)
Protection Protect from light; Keep from freezing
Child Safety Keep out of the reach of children

Storage must occur within the specified temperature range, and the product must be stored in a manner that protects it from light exposure, typically by keeping it in the original packaging. Unused, unwanted, or expired Altavera must be disposed of according to local regulations for pharmaceutical waste.

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

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