Dalacin V

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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 Dalacin V

Property Description
Active Ingredient Clindamycin Phosphate
Form Vaginal Cream, Gel, or Suppository
Pharmacological Class Lincosamide Antibiotic
Route of Administration Topical/Intravaginal
Origin Semi-synthetic (derived from Lincomycin)

I. Defining Dalacin V: A Lincosamide Antibiotic and Prodrug

Dalacin V is a specialized prescription medication containing the active ingredient Clindamycin Phosphate, which is classified within the Lincosamide Antibiotic pharmacological group. This substance is clinically recognized for its targeted efficacy against susceptible anaerobic microorganisms. Clindamycin Phosphate functions as a semi-synthetic prodrug, meaning it is chemically derived from the natural compound Lincomycin and is specifically engineered to remain stable until it is rapidly converted in vivo to the biologically active antibiotic, Clindamycin. This inherent structural design optimizes its availability at the necessary site.

II. Composition and Specialized Vaginal Form

Dalacin V is compounded exclusively as a single active ingredient product intended for topical/intravaginal administration, and it is primarily supplied as a Vaginal Cream, Vaginal Gel, or Vaginal Suppository. This specific route of administration is a deliberate design choice that focuses the therapeutic agent locally, thus limiting the drug's systemic impact. Clindamycin Phosphate is approved in these localized forms for the management of vaginal infections, supporting its role as a focused anti-infective treatment.

III. General Purpose: Controlling Susceptible Anaerobic Bacteria

The general purpose of this medicine is to manage and control the proliferation of specific anaerobic bacteria responsible for microbial imbalances. The therapeutic effect relies on the bacteriostatic action of Clindamycin, which involves inhibiting the targeted bacteria's ability to produce the proteins necessary for their growth and replication. By selectively suppressing the reproduction of these problematic organisms, the treatment reduces the overall bacterial load, thereby assisting the body in restoring a healthier microbial balance.

What side effects are possible with Dalacin V?

Possible Side Effects and Safety Information

The safety profile for Clindamycin Phosphate Vaginal is primarily structured around adverse reactions categorized by frequency and the potential for systemic effects, despite local administration. These classifications reflect how government regulatory documents organize and communicate the medicine’s safety profile.


Officially Documented Adverse Reactions

Adverse reactions documented in official labeling are classified by the likelihood of occurrence:

  • Very Common: The most frequently reported adverse effect is vulvovaginal candidiasis (vaginal thrush), indicating the overgrowth of non-susceptible organisms.
  • Common: Adverse effects reported frequently include general systemic effects such as headache, dizziness, abdominal pain, diarrhea, and nausea, as well as local reactions like vulvovaginitis and other vulvovaginal disorders.

Serious Systemic Risks and Safety Constraints

Despite its topical route, a small amount of clindamycin is absorbed systemically, necessitating the documentation of serious risks common to nearly all antibacterials. The principal serious risk is the potential for Clostridioides difficile-Associated Diarrhea (CDAD), which may manifest as Pseudomembranous colitis and can occur during or up to two months after treatment cessation. This condition is documented as potentially life-threatening.

This medication is contraindicated in individuals with a known history of hypersensitivity to clindamycin or lincomycin, or in those with a history of inflammatory bowel conditions like regional enteritis or ulcerative colitis.

Specific limitations exist regarding concomitant use: the mineral oil or other excipients in the vaginal cream formulation may weaken the structural integrity of latex or rubber products (e.g., condoms or diaphragms), thereby compromising their reliability for preventing pregnancy or STIs.

Overdose and Emergency Response

Overdose and When to Seek Help

The primary overdose concern with Dalacin V (clindamycin phosphate vaginal cream) relates to the risk of systemic absorption and the unlikely but possible event of accidental oral ingestion.

Because the active ingredient, clindamycin, can be absorbed through the vaginal wall in sufficient amounts to enter the bloodstream, excessive use or taking more than the prescribed amount may lead to systemic effects. Accidental swallowing of the cream can also lead to systemic effects comparable to those seen with orally administered clindamycin, although official labeling often notes this is not likely to cause harm.

In the event of an overdose or accidental ingestion, official regulatory documents state that general symptomatic and supportive measures are indicated as required. The most critical risk is the potential for severe diarrhea and inflammation of the colon (pseudomembranous colitis), a known risk associated with systemic clindamycin exposure.

Emergency Actions Required:

  • Seek immediate medical help by contacting a healthcare professional, hospital emergency department, or regional Poison Control Centre immediately if you suspect you have used too much Dalacin V, even if there are no symptoms.
  • If the cream is swallowed, or if there is excessive use beyond the prescribed dose, contact emergency services right away for advice and management.
  • If the cream gets into the eyes, immediately rinse the eyes with plenty of cool tap water.

This immediate action is required regardless of how you feel, as systemic effects may be delayed or initially mild.

Therapeutic Uses of Dalacin V

What Dalacin V Treats: Main Uses and Benefits

Dalacin V is primarily indicated for the management of symptomatic Bacterial Vaginosis (BV), a condition characterized by an imbalance of certain anaerobic bacteria. The medication is relevant for easing the symptoms that create noticeable physiological strain. The treatment is commonly used to help with the associated cluster of symptoms, specifically the abnormal, thin, grayish-white vaginal discharge and the distinguishing strong, unpleasant, fishy odor. The primary purpose of the treatment is to manage the acute symptomatic episode, and it provides supportive relief when symptoms interfere with routine activities.

This topical therapy is relevant for easing symptoms that are linked to localized microbial imbalance. It is applied in conditions where symptoms may intensify temporarily, and supports easing the symptoms linked to microbial imbalance. This contributes to improved comfort during periods of heightened symptoms and may assist with easing the overall symptom burden.

Dalacin V is commonly used as a therapeutic option for women experiencing active BV symptoms. It is considered relevant for use in women of reproductive age and is also applied, when appropriate, in pregnant women during their second and third trimesters, offering symptomatic relief that helps patients cope more steadily with symptom management in these specific clinical scenarios.

Quick Fact: Symptom Relief in BV
The medication is commonly used to address the characteristic strong, unpleasant odor and abnormal discharge associated with BV, which helps improve day-to-day comfort during symptomatic periods.

Regulatory References

  1. NIH MedlinePlus overview of Clindamycin Vaginal

Eligibility and Restrictions for Use

Official Eligibility and Non-Eligibility Information

Dalacin V (clindamycin phosphate vaginal cream) is subject to strict eligibility rules based on official regulatory documentation. It is contraindicated and must not be used by individuals with a history of hypersensitivity or allergy to the active substance, clindamycin, its related compound lincomycin, or any component of the cream.

Use is also contraindicated in patients with a history of certain gastrointestinal conditions, specifically regional enteritis, ulcerative colitis, or antibiotic-associated colitis (including C. difficile-associated diarrhea).

Population Group Official Eligibility Status
Non-Pregnant Women Use is allowed (indicated).
Pregnant Women (2nd & 3rd Trimester) Use is allowed (indicated).
Pregnant Women (1st Trimester) Use is not recommended unless clearly needed and benefits outweigh risks.
Pediatric Patients Safety and effectiveness not established.
Lactating/Breast-feeding Women Use requires caution; infant must be monitored for adverse gastrointestinal effects.

Additionally, the cream contains mineral oil that may weaken latex or rubber products. Therefore, the use of condoms or vaginal contraceptive diaphragms is not recommended concurrently or for at least 72 hours (or 3 to 5 days, depending on the labeling) following treatment.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Official regulatory documents detail specific constraints related to the concomitant use of this medicine with other products and devices, based on its active ingredient, clindamycin, and the cream's components.

Interacting Product Category Regulatory Constraint/Requirement
Neuromuscular Blocking Agents (e.g., Atracurium, Tubocurarine) The active ingredient, when absorbed systemically, possesses neuromuscular blocking properties. Use with caution is advised because it may enhance the action of these agents, necessitating patient notification of surgical or anesthetic teams.
Latex/Rubber Contraceptive Devices (Condoms, Diaphragms) The cream contains ingredients, such as mineral oil, that may weaken the latex or rubber in these barrier devices. Their effectiveness in preventing pregnancy or transmission of disease may be diminished. Use of these devices is not recommended during treatment and for a period of up to 72 hours following the end of treatment.
Other Vaginal Products The use of other vaginal products, including tampons, douches, and other vaginal medicines, is generally not recommended during the period of treatment.
Antagonistic Antibiotics Cross-resistance and in vitro antagonism have been demonstrated between clindamycin and erythromycin, which may be a relevant interaction consideration.

These constraints are based on documented pharmacological effects and the physical properties of the cream's components, which must be considered during therapy.

Mechanism of Action

Molecular Mechanism of Clindamycin

The mechanism of action centers on the active drug, Clindamycin, a lincosamide, which functions as an inhibitor of bacterial protein synthesis. The administered product, Clindamycin Phosphate, is an inactive prodrug that undergoes rapid local hydrolysis into active Clindamycin, a required chemical step for target engagement.

The active molecule binds specifically to the 50S ribosomal subunit of susceptible bacteria. This binding occurs at the 23S ribosomal RNA component within the peptidyl transferase center, obstructing its function. This molecular blockade prevents the process of peptide chain elongation and the formation of complete, functional bacterial proteins.

This interference leads to a bacteriostatic effect, which suppresses the microbial growth and replication of susceptible organisms. The mechanism is constrained by bacterial adaptations such as ribosomal modification ( MLS B resistance) mediated by erm genes, which alters the binding site and functionally neutralizes the drug's inhibitory action.

Dosage and Administration Information

Official Administration Guidelines for Dalacin V (Clindamycin Phosphate Vaginal Cream 2%)

The usage of Dalacin V follows the standard administration protocol:

Administration Scope Instruction
Route of Administration Intravaginal use only. Not for ophthalmic, dermal, or oral use.
Dosing Schedule One applicator-full of cream, containing approximately 5 grams of cream or 100 mg of clindamycin, per dose.
Frequency and Timing Once daily, preferably at bedtime, for seven consecutive nights.
Course Duration The full course of treatment is for 7 consecutive nights. The entire treatment must be completed.

Procedural Steps and Special Conditions

  1. Preparation: Wash hands thoroughly before and after use. The disposable applicator must be screwed onto the tube and filled by gently squeezing the tube until the plunger stops.
  2. Insertion: The filled applicator is inserted gently into the vagina, and the plunger is pushed slowly to deposit the cream. The used applicator must be carefully withdrawn and discarded.
  3. Missed Dose: If a dose is missed, it should be applied as soon as remembered. If it is nearly time for the next scheduled dose, the missed dose should be skipped, and the regular schedule resumed. Do not use a double dose.
  4. Special Constraints: Patients should not use other vaginal products, such as tampons or douches, during treatment. The cream contains mineral oil that may weaken latex or rubber contraceptive devices (condoms or diaphragms); therefore, reliance on these devices is not recommended during treatment and for 72 hours after the course is completed.

Age-Group Administration Rules

  • Pediatric: Safety and effectiveness have not been established in the pediatric population.
  • Pregnancy: Use during the first trimester is only if clearly needed. It has been studied in pregnant women during the second and third trimesters.

This protocol defines the standardized method for administering the clindamycin phosphate vaginal cream to ensure proper delivery and adherence to the prescribed regimen.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Dalacin V (Clindamycin Phosphate Vaginal Cream)

This section provides a factual overview of the scientific studies conducted on Dalacin V. This summary focuses on the types of research and what was observed in specific trial settings, offering context about the available evidence without providing medical advice or suggesting personal outcomes.

Evidence for Use in Bacterial Vaginosis (Non-Pregnant Women)

Research exploring Dalacin V for bacterial vaginosis (BV)—a condition characterized by fluctuating or episodic manifestations—has primarily utilized short-term Randomized Controlled Trials (RCTs). These studies explored how outcomes related to physical discomfort and systemic imbalance evolved in the observed populations compared to a placebo or active agents. Researchers examined specific outcomes related to systemic or functional imbalance, such as whether the normal vaginal bacterial balance was restored (bacteriologic outcomes) and whether the clinical signs of the condition were resolved (clinical outcomes).

The findings describe patterns observed in the studies over defined time intervals. However, the follow-up durations were limited in many of these studies. The results apply only to the populations studied, and research provides context but not individual predictions about how these outcomes might be sustained.

Evidence in Pregnant Women (Second and Third Trimesters)

Dalacin V was evaluated in specific clinical research involving pregnant women, typically those diagnosed with bacterial vaginosis during the second and third trimesters. These trials research examined a similar set of outcomes related to clinical and bacteriologic resolution, while monitoring outcomes specific to the pregnant population. Studies monitored the women closely during the short-term treatment and follow-up periods.

It is important to note that data are still emerging for some aspects of use during pregnancy. Evidence is limited for use during the first trimester. Furthermore, the results apply only to the populations studied, as these follow-up durations were limited primarily to assessing the BV status.

What is Still Uncertain About Dalacin V Studies

Transparency in research means highlighting what is not yet known. The available evidence, while informative, has several gaps that limit certainty:

  • Long-term effects are not fully established regarding recurrence patterns and the durability of outcomes beyond several months.
  • Data for certain groups remain insufficient, particularly for patients with specific complex comorbidities.
  • The definition of 'cure' can vary across studies, meaning the reported findings were mixed or inconsistent due to heterogeneity.

Studies help show what has been observed so far, but research highlights what is known—and what is still uncertain—about the use of Dalacin V.

Frequently Asked Questions (FAQ)

Common questions about Dalacin V (FAQ)

Q: Does Dalacin V treat infections other than bacterial vaginosis (BV)?

A: Official product information indicates that Dalacin V is specifically intended for the treatment of symptomatic Bacterial Vaginosis.

Official indications require that other common pathogens, such as Trichomonas vaginalis or Candida albicans, be ruled out, as the medication is targeted to address the bacteria responsible for BV.

Q: What are the signs of a serious side effect from Dalacin V?

A: A serious, though rare, systemic risk associated with many antibiotics is the potential for Clostridioides difficile-Associated Diarrhea (CDAD).

Regulatory documents describe signs of this condition as severe, watery, or bloody diarrhea, persistent stomach pain or cramping, and fever. These serious effects can potentially occur during the course of treatment or up to two months after stopping the medication.

Q: Can Dalacin V cause a temporary burning or itching sensation at the application site?

A: Localized reactions, including a temporary burning or itching sensation and vulvovaginitis (inflammation of the vulva and vagina), are listed among the common adverse effects reported in clinical studies.

Severe or persistent irritation is described as an adverse event that has been documented in official safety information.

Q: Can Dalacin V be used safely during pregnancy?

A: Official regulatory information indicates that use during the first trimester of pregnancy is not generally recommended unless a clear medical need exists.

The product has been studied in pregnant women during the second and third trimesters. Regulatory documents state that use is determined by the healthcare provider after evaluating the patient's individual medical need.

Q: Is it safe to use Dalacin V while breastfeeding?

A: Regulatory documents indicate that the active substance in the cream may pass into breast milk in small amounts.

Use of the medicine during lactation requires caution, and official sources specify that monitoring of the nursing infant for potential adverse gastrointestinal effects is a documented caution.

Q: Is Dalacin V the same medication as the oral clindamycin pill?

A: Dalacin V cream contains the same active ingredient, clindamycin, but is formulated for localized vaginal use.

The topical application results in minimal absorption into the bloodstream and lower peak serum levels compared to taking oral clindamycin pills. This design restricts the medication's primary effect to the local site of the infection.

Q: Does Dalacin V contain any ingredients that could cause an allergic reaction, such as alcohol?

A: Yes, official product ingredient lists specify that the cream contains several inactive components, including mineral oil, benzyl alcohol, and cetostearyl alcohol.

The medication is officially contraindicated for individuals with a known history of hypersensitivity or allergy to any component in the cream.

Q: Does the cream come with its own applicators?

A: Regulatory documents often describe the product as being supplied with a disposable applicator, sometimes pre-filled for a single dose.

This device is included and designed to ensure the correct amount of cream is administered intravaginally for each application.

Q: Is it common for bacterial vaginosis to return after completing the full course of Dalacin V?

A: Regulatory research overviews acknowledge that long-term data concerning recurrence patterns are still emerging and not fully established.

Clinical research literature indicates that bacterial vaginosis is commonly an episodic condition, and recurrence rates are frequently observed within 12 months following various treatments.

Q: Does Dalacin V interact with other medications that are taken by mouth?

A: Official documents advise caution regarding potential interactions, particularly with systemic medications that have neuromuscular blocking effects, and with other antibiotics.

Regulatory documents advise that the healthcare provider should be notified of all other concomitant medications, supplements, and vitamins being used.

Q: Are there different strengths or forms of Dalacin V available?

A: Dalacin V is typically supplied as a 2% vaginal cream.

The active ingredient, clindamycin, is also available in other localized vaginal forms, such as ovules and gels, which may be sold under different brand names.

Q: Can Dalacin V cream be used during the menstrual period?

A: Regulatory patient instructions generally specify that continuation of the full course of treatment is specified without interruption, even if the menstrual period begins during the time of treatment.

Q: Is it normal to have some cream discharge or leakage after application?

A: Official patient guidelines include instructions for administration intended to minimize the possibility of the medication leaking out.

This implies that some discharge or leakage may be expected if activity is resumed immediately following administration.

Q: Does Dalacin V interact with or reduce the effectiveness of birth control pills?

A: Regulatory drug interaction information suggests that antibiotics like clindamycin may potentially reduce the effectiveness of oral contraceptives that contain ethinyl estradiol.

Due to this potential interaction, official information documents the need for an additional method of contraception to be considered.

Q: Is it necessary to avoid sexual intercourse while using Dalacin V?

A: Yes, official patient instructions stipulate that vaginal intercourse should be avoided during the entire course of treatment with this medication.

This constraint helps to ensure the effectiveness of the treatment and manage potential issues with the vaginal cream's excipients.

Q: What should be done if Dalacin V cream accidentally comes into contact with the eyes?

A: Regulatory documents warn that the cream contains ingredients that will likely cause burning and irritation if it gets into the eye.

Official regulatory instructions specify that rinsing the affected eye with copious amounts of cool tap water is the recommendation in the event of accidental contact.

Q: Are there different common brand names for the same active ingredient in Dalacin V?

A: Yes, the active ingredient in Dalacin V, clindamycin, is available under multiple common brand names for vaginal use.

Examples of these alternative brands include Cleocin Vaginal and Clindesse.

Q: Can the cream be used for skin or acne treatment if it contains the same antibiotic?

A: The regulatory label for this product states it is specifically for intravaginal use only and is not for dermal (skin) use.

Although the antibiotic clindamycin is used in other specialized formulations approved for acne treatment, this particular vaginal cream product is restricted to treating bacterial infections of the vagina.

How should Dalacin V be stored and disposed of?

Storage and Disposal Instructions for Dalacin V

The storage of Dalacin V (clindamycin phosphate vaginal cream/gel) must strictly follow official regulatory guidelines to maintain its quality.


Storage Requirements

Condition Requirement
Temperature Store at controlled room temperature, between 20°C to 25°C (68°F to 77°F).
Protection Keep away from excessive heat, moisture, and direct light; Do not freeze.
Container Keep in the original container and ensure it is tightly closed.
Child Safety Must be kept out of the sight and reach of children and pets.

Disposal

Unused or expired Dalacin V and used applicators must not be discarded in household waste or flushed down the toilet. This restriction protects the environment. Patients are officially instructed to ask a pharmacist about proper disposal methods, such as using a medicine take-back program.

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

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