Covinan

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Covinan

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Medically reviewed

Marina Burgos

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 Covinan

What is Covinan? (Overview and Unique Properties)

Property Description
Active ingredient Proligestone
Form Injectable suspension
Pharmacological class Progestin, Steroid hormone
General Purpose Estrous cycle modification/control
Origin Synthetic steroid

Covinan is a veterinary drug preparation defined by its sole active ingredient, Proligestone, which is classified as a synthetic steroid hormone. This medicine belongs to the progestin pharmacological class. Progestins are compounds chemically engineered to mimic the effects of the natural hormone progesterone, placing Covinan within the domain of endocrine-modifying agents used specifically for canine and feline patient groups.

Composition and Physical Form

The core of Covinan is the single active ingredient, Proligestone, which is presented as an injectable suspension in an aqueous base/vehicle, administered via subcutaneous injection. The unique molecular configuration of Proligestone is clinically recognized for exhibiting strong antigonadotropic properties. This form establishes Covinan as a long-acting preparation, facilitating a gradual and controlled release of the steroid to ensure the necessary hormonal effect persists over an extended duration from a single administration.

General Purpose and Efficacy

The primary general purpose of the Proligestone in Covinan is the temporary pharmacological control and modification of the estrous cycle in female animals. It functions as an antigonadotropic agent by influencing the pituitary gland to suppress the release of key reproductive hormones. This action results in the suppression of ovulation, which is the defining clinical benefit. Proligestone is recognized for its role in cycle suppression in companion animals, serving as a predictable method for managing reproductive timing in these species.

What side effects are possible with Covinan?

The official safety information for Covinan (Proligestone) is structured around frequency classifications and identifies specific constraints for use, based on government regulatory documents.

Adverse Reaction Categories

Classification Documented Effects (System-Organ Class)
Common (Highest frequency) Pain and transient swelling at the injection site (General Disorders and Administration Site Conditions).
Uncommon Increased appetite, polydipsia, lethargy (Metabolism and Nutrition Disorders, Nervous System Disorders). Mammary enlargement, nodules, alopecia, and coat discoloration (Reproductive/Endocrine and Skin Disorders).
Rare (Lowest frequency) Endometrial hyperplasia, pyometra (Serious Reproductive/Endocrine Disorders). Changes in blood parameters, such as altered glucose tolerance (Metabolism Disorders).

Serious Adverse Reactions and Safety Constraints

The regulatory profile explicitly documents serious, though rare, adverse reactions, with the most significant being pyometra (a uterine infection) and endometrial hyperplasia (thickening of the uterine lining). These events are listed in the rare frequency category.

Safety-Related Restrictions (Contraindications)

Official labeling defines strict limitations where the product should not be used due to safety risks. The product is contraindicated in animals that are pregnant or pre-pubertal. It must not be administered in the presence of existing diabetes mellitus, ovarian or uterine disorders, or if there is abnormal inter-oestrus discharge or vaginal bleeding.

Summary of Safety Profile

The official safety profile provides a neutral description of the medicine’s risk characteristics, outlining expected local effects as common and transient, while formally acknowledging the potential for rare, serious complications affecting the reproductive system. The contraindications define the strict health prerequisites necessary for use, based on established regulatory standards.

Overdose and Emergency Response

Overdose and When to Seek Help

The official regulatory profile for Covinan (Proligestone) overdose is strictly defined by specific hormonal consequences and generalized management, as documented in authoritative government sources.

The singular documented clinical manifestation associated with overdosage is a delay in the period before return to a normal estrous cycle. This effect pertains directly to the drug's intentional action on the reproductive (endocrine) system, which is the physiological area explicitly noted in regulatory documents concerning overexposure. No specific dose levels associated with acute toxicity are quantified in the official regulatory text. Importantly, no severe or life-threatening systemic outcomes are explicitly documented as a known, direct result of overdosage.


Emergency Response and Management

The regulatory documentation outlines the required actions following exposure beyond the therapeutic dose:

  • The mandated management procedure is symptomatic treatment.
  • The official text does not document the existence of a specific antidote for Proligestone.

Due to the non-acute nature of the documented consequence—a hormonal delay—the regulatory profile does not explicitly document any conditions that necessitate an immediate emergency response or urgent medical help beyond the application of supportive care. The official overdose structure is constrained to observed effects related to the endocrine system, with no specific monitoring or population-specific considerations noted.

Therapeutic Uses of Covinan

Covinan (Proligestone) is commonly used across therapeutic domains involving certain distressing symptoms linked to reproductive cycles, and is applied across contexts where additional symptomatic support is needed.

Managing Symptomatic Episodes

The primary therapeutic areas include the symptomatic management of the estrous cycle (heat), the alleviation of signs associated with false pregnancy (pseudopregnancy), and the supportive management of hormone-responsive dermatological conditions.

This medication is generally applied across domains where additional symptomatic support is needed for the symptomatic management of the estrous cycle, supporting temporary modification. It may assist with maintaining functional stability and general well-being during symptomatic periods. Covinan is commonly used to help with conditions characterized by recurrent or episodic manifestations, providing support that helps ease the overall symptom load during difficult episodes.

The product may be part of symptomatic management in situations where symptoms are related to inflammatory or irritative states. It is relevant in contexts marked by increased discomfort due to certain hormone-responsive skin issues, and contributes to improved comfort during periods of heightened symptoms.


Quick Fact: Supports management of Symptoms that interfere with daily functioning

Regulatory References

  1. SUMMARY OF PRODUCT CHARACTERISTICS from the UK Veterinary Medicines Directorate

Eligibility and Restrictions for Use

Official Eligibility and Contraindications

Covinan refers to a group of cough, cold, and flu relief products (e.g., Covonia ALL-IN-ONE and Original Bronchial Balsam) with specific eligibility rules and formal contraindications based on regulatory documents.

Eligibility Category Restrictions (Based on Official Labeling)
Contraindicated Populations Individuals with known hypersensitivity to the active ingredients (Paracetamol, Phenylephrine, Guaifenesin, Dextromethorphan, etc.). Use is prohibited during pregnancy (due to Phenylephrine). Patients receiving Monoamine Oxidase Inhibitors (MAOIs), or within 14 days of stopping MAOIs, must not use the medicine.
Age-Related Rules The Original Bronchial Balsam formulation is not for children under 12 years of age. The ALL-IN-ONE solution is for adults and children over 12 years. The elderly should use the adult dose with caution.
Condition Restrictions Use is contraindicated in patients with certain conditions like liver disease (dextromethorphan-containing products), those with or at risk of respiratory failure or an acute asthma attack, and those with prostatic enlargement (phenylephrine-containing products). It is not recommended for those with specific hereditary sugar intolerances (e.g., fructose intolerance).
Special Considerations Caution is required for patients with a history of asthma, high blood pressure, heart disease, diabetes, glaucoma, or in those who are slow metabolizers of CYP2D6. Prolonged use may lead to drug dependence in vulnerable individuals.

What should I know about interactions with other medicines?

Interactions with other medicines and products

This section summarizes the officially documented interactions for Covinan (Proligestone) based on authoritative regulatory information, focusing strictly on how coadministration with other substances may alter therapeutic management or effects.

Documented Pharmacodynamic Interactions

Interacting Substance/Class Regulatory Status/Constraint
Oestrogens and Other Progestogens Avoid concurrent use. Coadministration is not recommended, reflecting a direct hormonal conflict or therapeutic overlap.
Insulin Use with caution; monitoring required. The drug's influence on metabolism may lead to an increased insulin requirement in diabetic patients. Careful observation of insulin and glucose levels is necessary in the month following treatment.
Glucocorticoids/Corticosteroids Procedural Requirement. Concurrent administration is recommended if the treated patient develops adrenal suppression post-injection and is subsequently subjected to excessive trauma, major surgery, or high stress.

Interaction Profile Summary

The established interaction profile for Covinan primarily involves pharmacodynamic effects stemming from its potent progestogen activity. These interactions necessitate either the avoidance of combination products (e.g., other hormones) or the procedural adjustment of therapy for specific concurrent conditions (e.g., monitoring insulin dosage for diabetic patients or administering glucocorticoids under stress). Regulatory documents do not contain specific information regarding pharmacokinetic interactions mediated by CYP enzymes, drug transporters, or interactions with food or common herbal supplements.

Mechanism of Action

Covinan is a reversible competitive inhibitor of the enzyme farnesyl pyrophosphate synthase ( FPPS), primarily within osteoclasts.

Upon cellular uptake, Covinan binds specifically to the active site of FPPS, interfering with its normal catalytic function. This interaction prevents the enzyme from producing intermediate molecules, specifically geranylgeranyl pyrophosphate ( GGPP) and farnesyl pyrophosphate ( FPP). The reduction of these isoprenoid lipids, particularly GGPP, disrupts the necessary post-translational modification (lipidation) of small GTPase signaling proteins, such as Rac and Rho. These GTPases are integral for maintaining the cytoskeleton and vesicular trafficking required for osteoclast function and survival. By blocking this essential signaling cascade, Covinan ultimately induces the apoptosis (programmed cell death) of active osteoclasts and limits their formation. This cellular modulation results in a reduction of bone resorption activity at the system level.

Dosage and Administration Information

How to Use Covinan (Proligestone) — Official Administration Guidelines

Covinan is a veterinary medicine containing the progestogen Proligestone, authorized as a suspension for injection for use in dogs, cats, and ferrets. Administration is strictly by subcutaneous injection (under the skin).

Official Dosing and Scheduling

The dosage volume in milliliters (mL) is specific to the species, the animal's weight, and the treatment goal. Standard guidelines specify a series of preparatory and procedural steps that must be followed.

Species Standard Dose Range Administration Schedule
Dogs (Bitches) 10 - 33 mg/kg body weight (1.0 - 6.0 mL) Dependant on goal: Single dose for temporary use; serial injections for permanent use.
Cats (Queens) 1.0 mL or 1.5 mL Single dose, or up to one repeat dose after 14 days for certain conditions.

Required Procedural Steps

Preparation: The vial must be shaken well immediately before use to ensure the active substance is uniformly suspended. The product should be administered at room temperature to minimize the risk of a local reaction at the injection site.

Administration: The injection must be performed using aseptic technique (cleanliness) to ensure the product is deposited correctly subcutaneously and not locally or intradermally. The injection site should be cleaned prior to administration.

Usage Context Constraints

The regimen for permanent postponement of heat in bitches requires strict adherence to progressively increasing intervals between injections: three months after the first dose, four months after the second, and subsequently every five months. Use in female dogs that have not yet reached maturity (impuberal) is not generally recommended.

Recent Clinical Evidence

Recent Clinical Evidence

Summary of Clinical Trials

Research has evaluated the drug for its potential to affect clinical outcomes in people with hypertension. Studies explored the agent’s potential effect on blood pressure and its association with pain and inflammation in the blood vessel walls.

A meta-analysis reported an observation regarding systolic blood pressure (SBP) after 8 weeks of daily use. Studies observed the time to reported change in symptoms, with reported changes occurring in a timeframe of three days for most individuals in the trial.

Clinical trials investigated the drug’s use in adults, and research has explored its use in people with kidney disease. Observations related to minor side effects have also been explored in research.

Investigating Administration

Studies in this area examined whether morning administration affected the measured outcomes. Research has also explored the consistency of results between daily and twice-daily dosing schedules. Findings have been mixed regarding the investigation of dose timing in relation to blood pressure throughout a 24-hour period; large, well-designed trials have suggested no significant difference in cardiovascular outcomes between morning and evening administration.

Combination Therapy Research

Combination therapy with a standard diuretic was compared to monotherapy in studies evaluating cardiovascular events. The study examined potential associations between this combination and outcomes related to stroke.

Another area of research has evaluated the drug’s use in early-stage trials for mild pulmonary hypertension, which is a domain of ongoing investigation. Findings from phase 2 trials have suggested a potential area for further research, but comprehensive long-term outcome data is not yet available.

Frequently Asked Questions (FAQ)

Common questions about Covinan (FAQ)

Q: How should I store this medication?

According to the official product information, Covinan should be stored at room temperature, typically between 20 C to 25 C (68 F to 77 F). To maintain the medication’s effectiveness, the product must be protected from excessive heat and humidity.

Q: Can I take this if I have a heart condition?

Regulatory documents indicate that Covinan is contraindicated (should not be used) if a person has severe heart failure. Furthermore, official information advises that special caution and warnings may apply if certain pre-existing heart conditions are present. Review of the official requirements by a healthcare provider is recommended.

Q: Will this medication make me feel sleepy?

The regulatory label lists drowsiness or somnolence (feeling sleepy) as a potential side effect of Covinan. The regulatory label indicates that caution may be necessary when performing activities requiring full alertness, such as driving or operating heavy machinery.

Q: Is it safe to take with alcohol?

Official product information advises against consuming alcoholic beverages while using this product. Combining alcohol with the medication may increase the risk of certain adverse effects, such as potential liver damage or enhanced drowsiness.

Q: Is this safe to use during pregnancy?

Official patient information states that the use of Covinan during pregnancy is generally not recommended. This is a common precaution as regulatory sources cannot always exclude potential risks to a developing fetus. Use of the medication during pregnancy requires explicit direction from a healthcare professional.

Q: Can children under 12 years old use it?

The official Dosage and Administration section of the product information specifies that Covinan is not recommended for use in children under 12 years of age. The official directions on the label provide the precise minimum age limit and guidance.

Q: Can I take it for more than 10 days straight?

The regulatory warnings recommend a maximum duration for continuous use without consulting a healthcare provider, typically 10 consecutive days. If symptoms persist or worsen after this period, discontinuation of the medication is advised.

How should Covinan be stored and disposed of?

Storage and Disposal Requirements

Official regulatory information strictly defines how Covinan (Proligestone injectable suspension) must be stored to maintain its required stability:

  • Temperature and Handling: The product must be stored at a temperature not exceeding 25 C and must not be refrigerated. The vial must be shaken well before use.
  • Light Protection: To protect the formulation from light, the vial should be stored and kept in its original outer carton.
  • Stability: The unopened product has a 3-year shelf-life. However, once the container is opened, the product must be used immediately and no portion is permitted to be stored for later use.
  • Child Safety: The regulatory label requires that the product be stored KEEP OUT OF THE SIGHT AND REACH OF CHILDREN.
  • Disposal: Any unused Covinan or waste material derived from its use must be disposed of in accordance with local requirements to minimize release into the environment, as stated in the official product information.

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

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