Clycin-V

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Clycin-V

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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 Clycin-V

Clycin-V is a prescription-only semisynthetic antibiotic formulated as a vaginal cream to provide localized antibacterial treatment. The drug's specialized form and classification dictate its specific use in addressing bacterial imbalances.

Property Description
Active ingredient Clindamycin (as Clindamycin phosphate)
Form Vaginal cream
Pharmacological class Lincosamide antibiotic
Common use Localized bacterial vaginal infections
Origin Semisynthetic (derived from Lincomycin)

What Type of Medicine is Clycin-V and How is it Classified?

Clycin-V is defined by its active chemical component, Clindamycin, and is classified within the lincosamide antibiotic group, which is active against certain anaerobic bacteria commonly involved in gynecological infections. The lincosamides are known for their ability to interfere with bacterial protein synthesis, slowing the growth of susceptible microorganisms.

Clindamycin is a semisynthetic drug, created by chemical modification of the naturally occurring parent compound, Lincomycin. The formulation utilizes the precursor compound, Clindamycin phosphate, which the body rapidly converts into the active Clindamycin at the site of application.

Composition and Form: The Clycin-V Vaginal Cream

This medication is presented as a vaginal cream, an emulsion-based preparation intended exclusively for intravaginal use. This localized, topical route of administration is designed to maximize drug concentration precisely within the affected area while limiting systemic exposure.

As a single active ingredient product, the formulation contains Clindamycin phosphate suspended in a semi-solid cream base. This specific delivery system ensures that the antibiotic directly targets the site of infection and is intended for the treatment of infections caused by harmful bacteria in the vagina.

General Purpose: How the Antibiotic Provides Benefit

The general therapeutic purpose of Clycin-V is to address localized vaginal infections, primarily those related to an overgrowth of certain bacteria, a condition commonly known as bacterial vaginosis.

Its fundamental benefit stems from its mechanism as an antibacterial agent. By inhibiting the proliferation of the organisms, the antibiotic helps control the bacterial population, thereby assisting the body in re-establishing a balanced microbial flora in the affected area. This focused action is the mechanism by which the medication resolves the underlying condition.

What side effects are possible with Clycin-V?

Possible Side Effects and Safety Information

The safety profile of Clycin-V (Clindamycin Phosphate Vaginal Cream), as documented in government regulatory sources, establishes both common local reactions and the potential for serious systemic risks.

Serious and Clinically Significant Adverse Reactions

The most critical risk is the potential for Pseudomembranous Colitis (Clostridioides difficile-associated diarrhea or CDAD), a severe and potentially fatal form of colitis, which may occur even with the drug’s topical application due to systemic absorption. This risk requires strict Contraindications against use in patients with a history of hypersensitivity to clindamycin, regional enteritis, ulcerative colitis, or prior antibiotic-associated colitis.

Severe hypersensitivity reactions (e.g., anaphylaxis, DRESS) have also been documented in the post-marketing setting.

Common Adverse Reactions (Frequency ge 1%)

Commonly reported side effects include reactions at the application site and the overgrowth of non-susceptible organisms. These frequently reported events include vaginal candidiasis (fungal infection), vulvovaginal pain, irritation, or discharge, headache, back pain, and abdominal pain.

Safety-Related Restrictions and Limitations

Latex and Rubber Products: The cream contains mineral oil that may weaken the material of latex or rubber barrier contraceptives (condoms and diaphragms). The use of these devices is restricted for a specified period (e.g., 72 hours) following treatment with Clycin-V.

Specific Populations: Caution is advised when prescribing to pregnant patients, particularly during the first trimester. Due to excretion in breast milk, infants who are nursing should be monitored for potential effects on their gastrointestinal flora.

Overdose and Emergency Response

Overdose Manifestations and Systemic Risks

Clycin-V (clindamycin phosphate vaginal cream) is formulated for localized treatment, but official regulatory documentation confirms that the active ingredient may be absorbed in sufficient amounts to produce systemic effects. Furthermore, accidental oral intake of the cream can lead to physiological manifestations comparable to those observed with therapeutic concentrations of orally administered clindamycin.

The potential for systemic exposure carries a serious risk of pseudomembranous colitis, which is a severe gastrointestinal complication reported with many antibacterial agents. Official warnings note that orally and parenterally administered clindamycin has been associated with colitis that may end fatally; this established systemic risk profile is considered in the event of an overdose of the vaginal cream.

Officially Mandated Emergency Response

Regulators stipulate that immediate medical attention must be sought if an overdose is known or suspected due to the risk of severe systemic outcomes. In the event of an overdose or accidental ingestion, individuals must get medical help right away or contact a Poison Control Center for guidance. If the person has collapsed, experienced a seizure, or has severe trouble breathing, emergency services must be called immediately. Treatment for overdosage is limited to general symptomatic and supportive measures as required, as no specific antidote is known to reverse the effects of clindamycin.

Therapeutic Uses of Clycin-V

What Clycin-V Treats: Main Uses and Benefits

Clycin-V is a prescription antibiotic cream commonly used to provide localized treatment for Bacterial Vaginosis (BV), a vaginal condition resulting from an overgrowth of certain susceptible bacteria. This therapeutic approach may be part of symptomatic management in clinical settings where supportive symptom management is appropriate during an active, symptomatic episode, and is utilized in managing symptoms associated with this infection.


Resolution of Abnormal Discharge and Odor

This medication is applied in addressing symptom clusters that may become intense or disruptive, particularly the most common and distressing physical manifestations of BV. It assists with managing the characteristic, strong fishy odor and the presence of abnormal, thin, homogeneous vaginal discharge. In situations involving bacterial imbalance, Clycin-V supports the patient during difficult episodes by easing distress and contributes to improved day-to-day comfort during symptomatic periods. The primary indications are to help manage symptoms associated with Bacterial Vaginosis, nonspecific vaginitis, and anaerobic vaginosis.

“The therapy is considered relevant when symptoms that interfere with daily functioning are present.”

Localized Management of Bacterial Vaginosis

Clycin-V is relevant in contexts marked by temporary physiological imbalance and is used in situations involving certain distressing symptoms of infection. The topical application is commonly used across conditions presenting with acute or episodic manifestations where localized management is appropriate. It may be considered relevant for managing BV in non-pregnant women and in pregnant women during the second and third trimesters, providing supportive relief when symptoms interfere with routine activities.


Quick Fact: Supports Management of Vaginal Malodor

Regulatory References

  1. DailyMed: CLINDAMYCIN PHOSPHATE cream Label

Eligibility and Restrictions for Use

Who Can and Cannot Use Clindamycin Vaginal Formulations (Clycin-V)

This eligibility information is based on official government regulatory documents (e.g., FDA, EMA) and specifies patient populations for whom the medicine is contraindicated or restricted.

Mandatory Exclusions (Contraindications)

The medicine must not be used by individuals with a history of:

  • Hypersensitivity or allergy to clindamycin, lincomycin, or any ingredient in the specific vaginal formulation.
  • Inflammatory Bowel Disease, including regional enteritis or ulcerative colitis.
  • Antibiotic-Associated Colitis (e.g., Clostridioides difficile-associated diarrhea).

Populations Requiring Conditional or Restricted Use

Population Eligibility Rule
Pregnancy Contraindicated in the first trimester unless clearly needed. Generally allowed in the second and third trimesters with physician approval.
Breastfeeding Use requires weighing risk to the infant (potential GI adverse effects) against the mother's clinical need, as the drug is excreted into breast milk.
Age Safety and efficacy are not established in children under a specified age (e.g., 12 years old for some products).
Contraception Use is not recommended concurrently with or for a specified time (e.g., 5 days) after treatment if using latex or rubber barrier contraceptives (condoms, diaphragms), as the drug's components may weaken the material.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Clycin-V (clindamycin vaginal cream) has two main areas of interaction:

1. Interactions with Medicines

Clindamycin, the active ingredient, has been shown to possess neuromuscular blocking properties when absorbed into the body. Due to this characteristic, Clycin-V must be used with caution in individuals who are currently taking neuromuscular blocking agents (a class of medicines often used during surgery). The concurrent use of these product classes may result in an enhanced action and prolonged effect of the neuromuscular blocking agent.

2. Interactions with Barrier Contraceptives and Other Products

Clycin-V vaginal cream contains mineral oil and other ingredients that can compromise the structural integrity of products made from latex or rubber. This physical interaction can lead to the weakening and potential failure of barrier contraceptives such as latex or rubber condoms and vaginal contraceptive diaphragms.

  • Restriction: The use of such latex or rubber barrier contraceptives is not recommended during treatment and for 72 hours following the final dose of the vaginal cream.
  • Procedural Constraint: Patients should also avoid using other vaginal products, such as douches or tampons, during the entire course of treatment, as this may interfere with the medicine's effectiveness.

Mechanism of Action

Clycin-V, containing clindamycin phosphate, is a lincosamide class antibacterial agent administered via the intravaginal route, concentrating the active compound within the vaginal epithelium and fluid. Clindamycin phosphate, a pro-drug, is rapidly converted in vivo to its active form, clindamycin, through hydrolysis.

The biological target for clindamycin is the 50S subunit of the bacterial ribosome. The drug molecule acts as an inhibitor by specifically binding to the 23S ribosomal RNA (rRNA) component of the 50S subunit. This interaction physically impedes the peptidyl transferase function necessary for peptide bond formation, which is the core step in protein synthesis. This interruption of the molecular and intracellular pathway results in the premature termination of elongating polypeptide chains and a consequent inhibition of bacterial protein synthesis. The compound is predominantly bacteriostatic, modulating the growth and replication of susceptible microorganisms within the targeted tissue. System-level physiological consequences following intravaginal administration are minimal due to low systemic absorption.

Dosage and Administration Information

How to Use Clycin-V

Clycin-V is a prescription-only medication that is intended for use according to specified administration guidelines.


Official Administration Protocol

Feature Official Labeled Instruction
Route of Administration The 2% cream is designated for intravaginal use only, administered locally to the affected area.
Dosing Regimen The standard dose is one applicatorful (5 grams of cream), which delivers 100 mg of clindamycin per application.
Frequency and Timing Administration is typically required once daily. The timing is flexible and may be applied at any time of the day.
Course Duration The overall treatment duration is specified as either a single, one-time application or a multi-day course of seven consecutive days, depending on the specific product formulation.

Administration Context and Use Boundaries

The cream is prepared and applied using the disposable applicator provided with the product to ensure accurate dosing. The labeled instructions define use for non-pregnant women and permit its use in pregnant women during the second and third trimesters of pregnancy.

A critical administration constraint relates to material compatibility: the cream contains inactive ingredients that can weaken latex or rubber products. Guidelines specify the need to avoid using latex or rubber barrier contraceptive products (such as condoms or diaphragms) concurrently with treatment and for 5 days following the final application. This restriction is essential for maintaining the physical integrity of these devices.

Recent Clinical Evidence

The Clinical Research Base for Bacterial Vaginosis (BV)

The active ingredient in Clycin-V was evaluated in research exploring Bacterial Vaginosis. The foundational research is based on Randomized Controlled Trials (RCTs). In these trials, researchers examined the cream against either a placebo (a dummy cream) or against other known treatments for the condition.

These studies monitored specific outcomes related to physical discomfort and changes in the underlying bacterial environment. Researchers tracked clinical measurements, such as the disappearance of characteristic symptoms, and changes in objective laboratory measurements, such as the Nugent score, which is used to classify the balance of bacteria in the vagina. Findings describe patterns observed in these studies where the cream was observed in contexts where changes in these clinical and bacteriologic measurements were monitored over defined time intervals.


Research Examining Clycin-V Against Other Treatments

Studies explored the research outcomes of Clycin-V in contexts involving other options, such as oral or alternative topical antibiotics, which are also evaluated in research examining Bacterial Vaginosis. These active-controlled trials were designed to describe the patterns of measured outcomes when one treatment was placed in the research context against another.

The research examined short-term changes in symptoms and laboratory measures. For instance, studies monitored whether the time taken to achieve a specific measurement goal (such as a predetermined change in the Nugent score) varied when patients received Clycin-V versus another medication. Data show patterns related to how symptoms evolved in the observed populations during the study period, helping to contextualize the evidence against other standard therapies.


Research on Long-Term Outcomes and Recurrence

Research was evaluated in the context of the condition's tendency to recur, a pattern often documented in the research literature. While studies focus heavily on the immediate effects, research has also explored what happens after the initial assessment of an outcome. Follow-up durations were often limited to a few weeks in the primary regulatory trials, meaning there is limited information for long-term outcomes and high rates of recurrence are observed in some studies.


Studies in Special Populations

Specific research explored the outcomes of Clycin-V in distinct groups of patients where evidence is needed or of particular concern.

  • Pregnant Women: The use of the cream was studied for pregnant women during the second and third trimesters. These studies observed patient-reported outcomes describing perceived discomfort and functional imbalance. However, studies in pregnant women are limited, especially for those in the first trimester, as findings are still emerging.
  • Adolescents: Clycin-V was evaluated in studies involving females aged 12 years and older. Research examined changes in symptoms and laboratory outcomes in this younger population, indicating that findings reflect only the populations studied.

Key Studies & References

  1. DailyMed: CLINDAMYCIN PHOSPHATE cream Label

Frequently Asked Questions (FAQ)

Common questions about Clycin-V (FAQ)


Q: Is Clycin-V the same as similar medicines with a different name?

A: Clycin-V is a brand name for a vaginal cream that contains the active ingredient clindamycin phosphate. Official documents indicate that other vaginal products containing clindamycin also exist. These products may share the same primary active component while differing slightly in their inactive ingredients.


Q: Can Clycin-V be used by people with certain long-term health conditions?

A: Official information lists specific contraindications (reasons to avoid use) for this medicine. These exclusions include a history of inflammatory bowel disease (such as regional enteritis or ulcerative colitis) and any previous history of antibiotic-associated colitis. Information regarding the use of this medication in people with other chronic conditions may be obtained by consulting official documents.


Q: Is it true that Clycin-V is sometimes used for things other than its main use?

A: Clycin-V is only indicated and officially approved by regulatory bodies for the treatment of bacterial vaginosis. Regulatory documents focus exclusively on this specific approved use, and regulatory information only details this specific approved use.


Q: Does using Clycin-V cause any changes in my normal daily routine?

A: Official instructions advise patients to avoid using latex or rubber barrier contraceptive products (like condoms or diaphragms) during treatment and for a specified time afterwards, as the cream's components can weaken these materials. Regulatory instructions generally recommend avoiding the use of other vaginal products, such as tampons or douches, during the course of treatment.


Q: Can older people (senior citizens) use Clycin-V?

A: The official FDA label notes that studies indicate that the amount of medication absorbed into the body is not different between younger patients and the elderly. For older patients with normal age-adjusted kidney and liver function, no dosage alteration is generally necessary based on official prescribing information.


Q: What is the general difference between Clycin-V and a competitor drug named X?

A: Clycin-V is classified as a lincosamide antibiotic that is specifically designed to stop bacterial protein production. Official regulatory documents focus on this drug's profile and do not include comparative information or claims about other specific competitor medications.


Q: What kind of studies support the use of Clycin-V?

A: The product’s indication is supported by findings from controlled research studies, most commonly Randomized Controlled Trials (RCTs). In these trials, researchers study the medicine against a placebo or other active treatments, monitoring for changes in symptoms and bacterial markers.


Q: Can people who are allergic to similar types of medicine still use Clycin-V?

A: Official documents contraindicate use if there is a known history of hypersensitivity (severe allergic reaction) to either clindamycin (the active drug) or lincomycin (the parent compound from which it is derived). Official documentation does not include information on allergies to medicines other than clindamycin or lincomycin. Eligibility is determined by a healthcare provider.


Q: What if I forget to use Clycin-V? What does official guidance say?

A: Regulatory patient information often provides general advice for missed doses. This guidance typically suggests applying the dose as soon as it is remembered. However, if it is almost time for the next dose, the instruction is to skip the missed dose and continue with the regular schedule, and not to double doses.


Q: Does Clycin-V interact with common pain relievers like ibuprofen or acetaminophen?

A: The official label specifically reports a caution regarding use with certain types of medicines called neuromuscular blocking agents. No specific drug interaction warning is stated for common non-prescription pain relievers like ibuprofen or acetaminophen in the core regulatory label.


Q: Does research show a high percentage of positive results with Clycin-V?

A: Clinical trial results describe the percentage of study participants who achieved a therapeutic cure (resolution of symptoms and favorable lab changes) at specific follow-up times. These results are documented in the regulatory label to describe the drug's performance in the study population.


Q: What if I have kidney or liver issues? What do official documents say about Clycin-V use?

A: Official regulatory information notes that the elimination of the medicine may be slightly slower in patients with significantly reduced kidney or liver function. Despite this, the documents state that dosage schedules do not typically need to be modified when the medicine is applied vaginally.


Q: Can Clycin-V be used multiple times if the condition returns?

A: The condition this medicine treats is known in research to recur in some individuals. Official information describes that recurrence of the condition is often documented in research, and regulatory guidance has evaluated the use of repeated or alternative treatment approaches.


Q: What are the official guidelines regarding using Clycin-V with alcohol?

A: Official regulatory documents and patient counseling information for clindamycin vaginal cream do not state a known direct drug interaction warning or contraindication regarding the use of alcohol.


Q: Is there a maximum number of days Clycin-V should be used, according to official sources?

A: The labeled administration specifies that a course of treatment is either a single application or up to seven consecutive days, depending on the formulation prescribed. The full treatment duration is determined and specified by the prescribing physician.


Q: How is Clycin-V different from older treatments for the same condition?

A: Clindamycin is a semisynthetic lincosamide antibiotic derived from the older compound lincomycin. Its primary difference lies in its mechanism of action, which involves inhibiting bacterial protein synthesis to control susceptible bacterial populations.


Q: Is Clycin-V known to cause drowsiness or affect ability to concentrate?

A: Reported side effects documented in official sources include central nervous system (CNS) effects such as headache and dizziness. Patients should be aware that these effects may potentially affect concentration or mental alertness.


Q: Does the efficacy of Clycin-V depend on when in the day it is used?

A: Official administration instructions for the daily dose state that the cream may be applied at any time of the day. The efficacy of the treatment is not reported to be dependent on the time of day of application.


Q: What does the scientific evidence show regarding long-term safety of Clycin-V?

A: Official product documentation notes that the potential for long-term safety concerns has not been fully evaluated since long-term studies, such as those evaluating carcinogenic potential, have not been performed in animals.


Q: Does Clycin-V have an impact on the body's natural balance of organisms?

A: Yes, official warnings note that the use of this medicine may result in the overgrowth of non-susceptible organisms in the vagina. This is why a common reported side effect is the development of vaginal candidiasis (a yeast infection).


Q: How does the official definition of 'cure' relate to the treatment provided by Clycin-V?

A: In clinical trials, a successful outcome, or 'therapeutic cure,' is generally defined as achieving both the resolution of clinical signs and symptoms (like discharge or odor) and a favorable change in objective laboratory markers, such as the Nugent score.


Q: Can men use Clycin-V for certain conditions, or is it mainly for women?

A: Clycin-V vaginal cream is only indicated for the treatment of bacterial vaginosis in female patients, according to its official regulatory approval.


Q: How should I think about combining Clycin-V with herbal supplements?

A: General patient counseling information advises informing a healthcare provider about all products being used, including any prescription and non-prescription medicines, vitamins, minerals, and herbal products. This practice is consistent with general patient counseling guidelines.


Q: What are the most common things people feel when taking Clycin-V?

A: The most common adverse reactions reported in official sources are often localized, and include vaginal candidiasis (yeast infection), vulvovaginal pain, and a burning sensation. Non-localized effects like headache and back pain are also commonly reported.


Q: Is it normal to feel a mild sensation when first using Clycin-V?

A: Official regulatory documents list local adverse reactions that include irritation and pain at the application site. Patients who experience severe or prolonged discomfort, or signs of a serious allergic reaction, are advised to consult their healthcare provider.


Q: Is it necessary to finish the entire supply of Clycin-V?

A: Official regulatory instructions emphasize the importance of completing the full time of treatment as prescribed. Regulatory information indicates that failure to complete the prescribed duration may lead to suboptimal outcomes or contribute to the development of drug-resistant bacteria.


Q: How long does the effect of a course of Clycin-V typically last after stopping use?

A: The initial clinical trials used to assess the efficacy of the treatment typically followed patients for a relatively limited duration of time. This means that there is limited definitive information from these studies about the typical long-term outcome or how quickly the condition might recur after treatment is completed.


Q: What does the research say about potential for resistance developing with Clycin-V use?

A: Official warnings state that the use of any antibacterial agent carries the potential for the development of drug-resistant bacteria. It is therefore important to use the medicine only as prescribed, for the full duration, to help maintain its effectiveness and limit this risk.


Q: What are the official recommendations if a person develops a rash while using Clycin-V?

A: Severe hypersensitivity reactions (allergic reactions), which can include skin rashes, have been documented. Official documentation notes that patients who experience signs of a serious allergic reaction, such as a spreading rash, swelling, or difficulty breathing, should seek immediate medical attention.

How should Clycin-V be stored and disposed of?

Clycin-V (clindamycin vaginal product) must be stored and disposed of according to official regulatory requirements to maintain its efficacy and prevent harm.

Storage and Handling Requirements

Condition Regulatory Statement
Temperature Store at Controlled Room Temperature, 20 C to 25 C (68 F to 77 F).
Protection Protect from freezing. Avoid excess heat and high humidity.
Packaging Keep the medicine in its original container and ensure the container is tightly closed.

Disposal and Safety

  • Child Safety: All medicines, including Clycin-V, must be kept out of the sight and reach of children.
  • Disposal: Do not flush unused or expired medicine down the toilet or throw it in the household trash unless specifically instructed to do so. Dispose of unwanted medication through a drug take-back program or as advised by a healthcare professional.

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

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