Libido

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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 Libido

Property Description
Active Ingredient Clindamycin Phosphate (Prodrug)
Pharmacological Class Lincosamide Antibiotic
General Form Pharmaceutical preparation (e.g., solution, cream, capsule)
General Purpose Bacterial Infection Management
Origin Semi-synthetic (derived from Lincomycin)

What Type of Medicine is Libido? (Identity & Classification)

Libido is a prescription-only pharmaceutical preparation formally classified as an anti-infective and an antibacterial agent belonging to the lincosamide antibiotic class. This classification is clinically recognized for its efficacy against specific bacterial infections, supporting the drug's core function of countering microbial processes. Libido is based entirely on the mechanism of its active compound, Clindamycin Phosphate, and is a single-active ingredient product. The formulation is often manufactured in several high-level dosage forms, including solutions, gels, creams, and capsules, permitting various routes of administration such as topical, oral, and parenteral delivery depending on the specific presentation.

Clindamycin Phosphate: Composition and Origin

The active ingredient in this medicine is Clindamycin Phosphate, which is a semi-synthetic derivative of the parent compound Lincomycin. Clindamycin Phosphate is technically a prodrug ester, meaning it is initially inactive but is designed to be rapidly converted within the body into the fully active antimicrobial molecule, Clindamycin. The design of this phosphate salt is pharmacologically essential as it enhances the water-solubility required for creating stable, uniform pharmaceutical preparations, a feature crucial for its intended route of administration.

General Purpose: What Does Libido Help to Do?

The general purpose of Libido is to help the body manage and resolve infections by acting as a bacteria growth inhibitor against specific susceptible microorganisms. This lincosamide antibiotic effectively limits the proliferation of infectious agents, particularly a broad range of anaerobic bacteria and certain gram-positive cocci. This containment of microbial growth is crucial, allowing the patient’s own immune system to successfully clear the infection and contribute to recovery.

Regulatory References

  1. Clindamycin Phosphate DailyMed Label
  2. Clindamycin Oral MedlinePlus

What side effects are possible with Libido?

Possible Side Effects and Safety Information

The safety profile of Libido (Clindamycin Phosphate) is organized by regulatory agencies based on the type and frequency of observed adverse reactions, with a specific focus on the gastrointestinal system and severe hypersensitivity events.

Adverse Reaction Classifications

Side effects are officially classified by frequency. Common reactions, meaning they are observed in less than 1 in 10 patients, include diarrhea and abdominal pain. Uncommon effects, observed in less than 1 in 100 patients, may include vomiting, maculopapular rash, and urticaria (hives). Reactions are also grouped by the System-Organ Classes they affect, such as Gastrointestinal Disorders, Skin and Subcutaneous Tissue Disorders, and Blood and Lymphatic System Disorders.

Serious Adverse Reactions

Official prescribing information highlights the risk of severe reactions that may occur, although their frequency is classified as Not Known. The most serious concern is Clostridioides difficile-associated diarrhea (CDAD), which can range in severity up to fatal colitis. Other serious reactions documented include severe cutaneous adverse reactions (SCAR) like Toxic Epidermal Necrolysis (TEN) and Stevens-Johnson Syndrome (SJS), as well as anaphylactic shock and acute kidney injury.

Population and Exposure Considerations

Regulatory safety notes advise that elderly patients may face an increased risk of severe diarrhea or colitis. Patients with severe hepatic impairment are typically advised to undergo periodic monitoring of liver function tests. A crucial safety pattern noted is that diarrhea and colitis, including the most serious forms, have been observed to begin up to two months or more following the cessation of therapy, indicating a prolonged period of potential risk. Furthermore, the medicine is contraindicated in individuals with a history of hypersensitivity to clindamycin or lincomycin.

Overdose and Emergency Response

The regulatory guidance for Libido (Clindamycin Phosphate) overdose focuses primarily on the immediate management of severe, life-threatening complications rather than a distinct acute overdose syndrome. In the context of overexposure, immediate medical attention is required for any signs of a severe reaction.


Overdose Manifestations and Urgent Action

The official label does not define a unique set of symptoms for acute over-ingestion, but mandates emergency response for specific severe outcomes. Seek immediate medical help upon recognizing significant diarrhea, severe abdominal cramps, or signs of a severe hypersensitivity reaction (e.g., difficulty breathing or swelling).

Life-threatening outcomes that necessitate urgent care include Fatal colitis, Pseudomembranous colitis, and Anaphylactic shock. Discontinue the medicine immediately upon occurrence of these severe manifestations.


Management and Constraints

Management of overexposure is symptomatic and supportive. Regulatory documents confirm that common detoxification procedures, such as hemodialysis or peritoneal dialysis, are ineffective for removing Clindamycin from the bloodstream. A critical constraint in management is that antiperistaltic agents must be avoided, as their use may worsen the condition of severe colitis. Furthermore, elderly patients should be carefully monitored due to an increased risk of diarrhea-associated complications.

Therapeutic Uses of Libido

What Libido Treats: Main Uses and Benefits

Libido is an antibiotic that is commonly used for managing certain serious and localized bacterial infections. Its therapeutic value is concentrated on distinct symptomatic and clinical domains, and may be part of symptomatic management in situations where supportive symptom management is appropriate.

Key Areas of Symptom Management

Libido plays a role in managing serious, deep-seated infections such as septicemia, intra-abdominal abscesses, and acute osteomyelitis, and is relevant for easing symptoms related to systemic imbalance, such as high fever and deep-seated inflammation. It helps in addressing symptom clusters in acute gynecological infections like pelvic inflammatory disease and for common issues like bacterial vaginosis, contributing to improved comfort.


Quick Fact: Supports the management of Infection-Related Inflammation


Furthermore, the medication may assist in managing the inflammatory lesions of mild to moderate acne vulgaris. Libido is considered relevant as a therapeutic alternative for infections in patients with known penicillin allergies, and may assist with providing antimicrobial therapy when appropriate.

Regulatory References

  1. NIH MedlinePlus overview of Clindamycin

Eligibility and Restrictions for Use

The official eligibility profile for Libido (Clindamycin Phosphate) is defined by patient history and physiological status, as documented in governmental regulatory labeling. Adults and most pediatric patients are eligible for use, subject to specific restrictions.

Populations Who Must Not Use Libido (Contraindications)

Population/Condition Regulatory Status
Hypersensitivity Contraindicated in patients with a history of allergy to Clindamycin or Lincomycin.
Gastrointestinal Disease Contraindicated in individuals with a history of antibiotic-associated colitis, regional enteritis, or ulcerative colitis.
Neonates Contraindicated (infants under 30 days old) for formulations containing benzyl alcohol.
Meningitis Must not be used; the drug does not achieve therapeutic levels in the cerebrospinal fluid.

Conditional Use and Restrictions

Official labeling mandates conditional use for several populations:

  • Pregnancy: Use during the first trimester is not recommended unless clearly needed, due to limited study data. Use during the second and third trimesters is permitted after assessment.
  • Lactation: Use is not recommended because the drug is excreted into breast milk and may affect the nursing infant’s gastrointestinal flora.
  • Organ Impairment: Caution and monitoring are advised for patients with severe hepatic impairment; however, no dosage modification is generally required for patients with renal impairment alone.
  • Older Adults: No specific dose adjustment is typically needed, but caution is advised due to the increased prevalence of age-related decreased renal function.

What should I know about interactions with other medicines?

The official regulatory profile for Libido (Clindamycin) interactions highlights specific pharmacokinetic and pharmacodynamic constraints. The medicine is primarily metabolized by the CYP3A4 and CYP3A5 enzyme systems. Co-administration with strong inhibitors of these enzymes may reduce Libido's clearance and increase systemic exposure. Conversely, strong enzyme inducers, such as Rifampicin, may increase clearance, requiring monitoring for potential loss of effectiveness.

Pharmacodynamically, Libido possesses neuromuscular blocking properties that may enhance the action of other neuromuscular blocking agents (e.g., Tubocurarine), necessitating caution. When co-administered with Vitamin K antagonists (e.g., Warfarin), frequent monitoring of coagulation tests (PT/INR) is required due to documented reports of increased test results and/or bleeding.

Specific antibacterial combinations are restricted: Erythromycin and other macrolides should not be administered concurrently due to in vitro antagonism. Furthermore, drugs that inhibit peristalsis are contraindicated if Clostridioides difficile-associated colitis occurs. The profile also includes a timing rule, as the live oral typhoid vaccine may be inactivated; administration must be avoided for three days before and three days after treatment. This regulatory structure defines use restrictions and mandatory monitoring requirements.

Mechanism of Action

The neuroendocrine mechanism governing sexual drive is primarily centralized in the hypothalamic-pituitary-gonadal (HPG) axis and mesolimbic system. The HPG axis initiates signaling when the hypothalamus releases gonadotropin-releasing hormone (GnRH), which acts as an agonist at specific receptors on the anterior pituitary gland. This interaction triggers the synthesis and secretion of luteinizing hormone (LH) and follicle-stimulating hormone (FSH) into the systemic circulation.

LH and FSH travel to the gonadal tissues, serving as agonists to stimulate steroidogenesis, increasing the concentration of testosterone and estrogen. These steroid hormones then function as agonists at intracellular receptors within CNS structures, modulating gene expression to alter neuronal plasticity and responsiveness. Concurrently, the mesolimbic reward pathway is activated via dopaminergic signaling, where dopamine acts as an agonist at D1-like receptors, increasing cyclic AMP (cAMP) via Gαs-coupled proteins. This cascade reinforces motivational and appetitive behaviors. Conversely, serotonergic signaling, involving receptor systems like 5-HT2A, functions as a modulating inhibitor to this pathway, fine-tuning the overall system-level physiological state.

Dosage and Administration Information

Libido (Clindamycin) is used according to strict administration guidelines defined by clinical protocols and is available in forms for both systemic and localized application. The medicine is administered via oral capsules or solution, intravenous (IV) infusion, intramuscular (IM) injection, and via topical or intravaginal preparations. The selection of route is determined by the specific use context.


Official Administration Protocols

Dosing and Frequency

Systemic dosing in adults follows established clinical ranges, typically starting at 150 mg to 450 mg taken orally every 6 hours for capsules, depending on the infection severity. Parenteral dosing for severe systemic infections can range up to a maximum of 4800 mg per day administered intravenously, divided into 2 to 4 doses. In specific cases, such as the treatment of beta-haemolytic streptococcal infections, therapy requires a minimum course duration of at least 10 days to be completed.

Administration Conditions

Oral capsules must be taken with a full glass of water (approx. 180 mL to 240 mL) and the patient should remain upright for at least 30 minutes following intake to minimize local irritation. Clindamycin absorption is not significantly affected by food. For intravenous administration, the solution must be diluted prior to infusion and cannot exceed a rate of 30 mg per minute; it must not be given as an undiluted bolus injection.

Population-Specific Rules

Dosing for pediatric patients older than one month is generally determined by body weight, with the daily dose divided into three or four separate administrations. Dose adjustments are not typically necessary for older adults or patients with mild-to-moderate renal or hepatic impairment when standard dosing intervals are used.

Recent Clinical Evidence

Research evidence / Overview of studies for Libido

Evidence for Use in Conditions Characterized by Episodic Manifestations (Bacterial Vaginosis)

Research examining the use of this medicine for bacterial vaginosis has included many Randomized Controlled Trials (RCTs) and Systematic Reviews that examined different formulations (vaginal cream, oral capsule) against placebo or active control regimens. These studies primarily focused on populations of nonpregnant adult women, and specific trials was also studied for use in pregnant women. Studies monitored two main types of outcomes: clinical endpoints, which included the assessment of physical symptoms and signs; and microbiological endpoints, which involved measurements of changes in the specific bacterial populations.

Studies exploring short-term symptom changes reported findings on measured clinical outcomes at the short-term follow-up visits. However, long-term effects are not fully established regarding the persistence of microbial balance and the rate of recurrence. Research provides limited data on managing recurrence in women who experience repeated relapses.


Evidence for Use in Conditions Involving Localized Irritative States (Acne Vulgaris)

For topical use in managing mild to moderate acne vulgaris, the evidence consists of short-term, vehicle-controlled (placebo) RCTs and trials evaluating the medicine against single-ingredient or combination topical therapies. Research examined populations of adolescents and young adults. The studies explored outcomes linked to inflammatory or irritative states, primarily monitoring lesion counts and using Global Severity Assessments to monitor overall change.

Reported outcomes often reflect evaluation in a combination setting with other agents, rather than its study as a single therapy. The main study durations typically concluded around 12 weeks. As a result, long-term effects are not fully established regarding outcomes measured after the study period ends.


The Study Landscape: Key Limitations and Remaining Uncertainties

The research base for systemic use in serious, deep-seated infections includes comparative RCTs and observational cohort studies, examining outcomes such as clinical outcomes and microbiological outcomes in diverse adult and pediatric patients. Because the medicine is frequently used as a component of a multi-drug regimen, isolating its precise research contribution is often difficult. The evidence quality varies across studies, and data for certain groups remain insufficient. Furthermore, monitoring evolving antimicrobial resistance patterns influences ongoing research.

Key Studies & References

  1. Clindamycin Monograph. NIH DailyMed

Frequently Asked Questions (FAQ)

Common questions about Libido (FAQ)


Q: Are there specific medical conditions that prevent someone from using Libido?

Official prescribing information outlines specific conditions where the medicine is contraindicated, meaning its use is not advised. This includes a history of allergy to the active substance (clindamycin or lincomycin) or a history of certain gastrointestinal diseases like colitis. The medicine is also indicated against use for cases of meningitis.


Q: Does taking Libido require any routine monitoring or tests?

Routine monitoring is not described for all patients, but regulatory documents state that tests may be necessary under specific circumstances. For instance, coagulation tests may require monitoring when the medicine is administered with certain blood thinners. Liver function tests may also be periodically needed for patients with severe hepatic impairment.


Q: Why do official sources emphasize taking Libido with food (if applicable)?

The official product information clarifies that the absorption of the medicine is not significantly affected by food. However, official documents describe that oral capsules should be taken with a full glass of water to minimize local irritation. For this reason, food intake itself is not emphasized by official sources.


Q: How quickly can someone expect to notice the effects of Libido?

Regulatory information indicates that the medicine is designed as a prodrug that is quickly converted into its active form in the body. Following an oral dose, the active substance is described as typically reaching its highest level in the bloodstream approximately one hour later.


Q: How long does the effect of a single dose of Libido last?

The half-life of the active substance, which reflects the time it takes for the concentration to reduce by half, is typically about three hours in adults with normal kidney function. This is consistent with official dosing schedules that describe administration as typically every 6 hours.


Q: Are there common foods or drinks that should be avoided while using Libido?

Official product information notes that oral capsules should be taken with a full glass of water, but also states that the absorption of the medicine is not significantly affected by food. Regulatory documents do not commonly list other specific foods or drinks as restricted.


Q: Is Libido suitable for use in elderly patients?

According to official information, dose adjustments are not typically required for older adults with mild-to-moderate impairment. However, regulatory safety notes include a cautionary statement because older adults may have an increased risk of severe diarrhea or colitis, and age-related decreased renal (kidney) function may be a consideration.


Q: How is Libido different from other medicines that affect sexual function?

Libido is formally classified by regulatory agencies as an anti-infective and an antibacterial agent, belonging to the lincosamide antibiotic class. Its general purpose is to act as a bacteria growth inhibitor against susceptible microorganisms, which is distinct from medicines that modulate sexual function.


Q: What is the required waiting period between stopping Libido and starting another related medicine?

Official labeling includes a specific timing rule for the live oral typhoid vaccine. Official labeling states that administration of this vaccine should be avoided for three days before and three days after treatment with the medicine to prevent inactivation of the vaccine.


Q: How does Libido compare to supplements advertised for low libido?

Libido is a prescription-only pharmaceutical formally classified as an antibiotic by global regulatory agencies. It is used exclusively for managing bacterial infections, a medical use and status that is distinct from non-prescription supplements.


Q: Is it possible to become resistant to the effects of Libido over time?

The research summary notes that monitoring evolving antimicrobial resistance patterns is an ongoing process that influences the study and general use of this medicine. This is a crucial area of focus in clinical research regarding antibiotics.


Q: Have there been clinical trials for Libido in different age groups?

Studies and official documents indicate that clinical trials have included various patient groups, such as pregnant women, nonpregnant women, adolescents, and pediatric patients older than one month. Research for systemic use has also included diverse adult and pediatric populations.


Q: Has Libido been studied for long-term effectiveness beyond one year?

Official research summaries indicate that for specific uses, such as bacterial vaginosis and acne, the long-term effects are not fully established regarding outcomes after the study periods conclude. This is relevant to outcomes like the persistence of microbial balance or the rate of recurrence.


Q: Are there specific warnings about Libido for women who are pre-menopausal?

Regulatory labeling provides conditional use information specifically regarding women in their reproductive years. Official labeling includes statements that first trimester use during pregnancy is not generally advised, and use during lactation is also not recommended.


Q: What is the half-life of Libido?

The official product information indicates that the half-life of the active substance in the blood is approximately three hours in adults with normal renal function. The half-life refers to the time it takes for the concentration of the substance in the bloodstream to reduce by half.

How should Libido be stored and disposed of?

How to Store and Dispose of Libido? (Clindamycin Phosphate)

The official labeling for Clindamycin Phosphate (Libido) outlines specific requirements to maintain product stability and ensure safe handling.

Storage Requirements

  • Temperature: Store at controlled room temperature (20 C to 25 C). The product must be protected from freezing.
  • Container and Safety: Keep the medicine in its original container and ensure the container remains tightly closed. The product must be stored out of the reach of children.
  • Handling: Certain topical solutions are flammable; avoid fire, flame, or smoking during and immediately following application.

Disposal Instructions

  • Unused Medicine: Unused or expired medication should be disposed of via a drug take-back program or secured household trash, following the recommended mixing procedure.
  • Environmental Restriction: The product must not be flushed down a toilet or poured down a sink.

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

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