Burow's

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Burow's

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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 Burow's

Quick Facts: Aluminum Acetate Solution

Property Description
Active ingredients Aluminum Acetate, Acetic Acid
Form Topical Solution (Aqueous)
Pharmacological class Topical Astringent
General Purpose Desiccant and Soothing Agent
Origin Synthetic Combination Product

What Type of Medicine is Burow's Solution?

Burow's Solution is the long-established common name for the official Aluminum Acetate Solution USP, a non-systemic, topical pharmaceutical preparation intended exclusively for external use only. It is classified primarily as a Topical Astringent, a drug class known to cause a mild, localized contraction and firming of soft tissues. As a recognized astringent, it is utilized in dermatology for this specific mechanical action.

This preparation is categorized as a synthetic combination product, utilizing the complementary properties of two active chemicals. The USP (United States Pharmacopeia) establishes standards for this product, ensuring the consistency and quality of its chemical components, which is crucial for its function as a foundational element of skin care management.

Active Ingredients and Composition

The solution is an aqueous preparation, meaning it is water-based, containing two principal active ingredients: Aluminum Acetate (or basic aluminum acetate) and Acetic Acid. The combination of these two components creates a mildly acidic preparation required for the solution's full pharmacological activity as an astringent. This acidic pH is one of its differentiating features compared to neutral topical preparations.

This Topical Solution is typically supplied in a concentrated form designed to be mixed into a Diluted Solution for use, often applied as a Wet Dressing or a soak. When used as a skin protectant, the resulting diluted solution contains aluminum acetate within a narrow concentration range intended to maintain its profile as a safe and effective preparation.

General Purpose of an Astringent Preparation

The general purpose of this medicine is to serve as a desiccant and soothing agent to manage superficial skin irritation. This function is achieved through the primary action of an astringent: promoting the reduction of exudation—the weeping or oozing of fluid—by causing the protein precipitation and subsequent tightening of the skin's surface. This physical drying and tightening effect is central to its utility, contributing to the relief from discomfort and heat associated with various forms of superficial irritation.

Regulatory References

  1. Aluminum Subacetate Topical Solution monograph
  2. USP Documentary Standards

What side effects are possible with Burow's?

Possible Side Effects and Safety Information

The safety profile of Aluminum Acetate Solution USP (Burow's Solution) is derived from its function as a non-systemic, topical treatment. The documented adverse reactions are primarily localized and confined to the area of application, as detailed in official government regulatory documents.


Adverse Reactions and System-Organ Class

The expected adverse effects are generally limited to the Skin and Subcutaneous Tissue Disorders system. These reactions are typically localized and are a result of the solution’s drying and astringent properties.

System-Organ Class Adverse Reaction
Skin and Subcutaneous Tissue Disorders Local irritation
Skin and Subcutaneous Tissue Disorders Skin inflammation (dermatitis)
Skin and Subcutaneous Tissue Disorders Excessive skin dryness

Safety Restrictions and Warnings

Regulatory safety information outlines strict limitations for the use of Aluminum Acetate Solution:

  • Contraindications: The solution should not be used in individuals with a known hypersensitivity (allergy) to aluminum acetate or any ingredient in the preparation.
  • External Use Only: The product is strictly for external use only. It must not be taken orally and may cause harm if swallowed.
  • Application Warning: Contact with the eyes must be avoided. If contact occurs, the eyes should be rinsed thoroughly.
  • Duration: Discontinuation is required if the skin condition worsens or if symptoms persist for more than 7 days of use.

Population-Specific Safety

Official safety documents recommend caution regarding special populations. While systemic absorption is considered low, the use of Aluminum Acetate Solution during pregnancy and lactation should be approached by weighing the maternal benefit against potential risks, due to the limited human clinical data in these specific groups.

Overdose and Emergency Response

Overdose and When to Seek Help

The information below is based strictly on documented overdose statements found in authoritative government-issued regulatory labeling for Burow's Solution (Aluminum Acetate Solution).


Documented Overdose Risk

Official labeling indicates that Burow's Solution, when applied topically as intended, is considered unlikely to cause significant systemic absorption or serious side effects. The primary overdose concern focuses on the unintended oral ingestion of the solution, which regulatory documents state is likely to be harmful.

Exposure Context Overdose Implication
Topical Use Systemic overdose effects are not expected.
Oral Ingestion Considered likely harmful and necessitates emergency action.

Emergency Response Instructions

Immediate medical help is required in the case of overdose, specifically following oral ingestion, even if no immediate symptoms are present.

  • Required Action: Regulatory documents explicitly instruct users to seek medical help immediately or contact a Poison Control Center in the event of an overdose.

These statements define the official overdose profile by constraining the risk to misuse (ingestion) and requiring a standardized emergency procedural response to manage potential systemic toxicity.

Therapeutic Uses of Burow's

What Burow's Treats: Main Uses and Benefits

Burow's Solution (Aluminum Acetate Solution) is applied across domains where short-term symptomatic assistance is needed to ease pronounced symptoms related to localized skin irritations and is relevant in contexts marked by increased discomfort or tension. The solution is applied as a topical astringent, a class of medicine used to help dry and protect the skin. The solution is categorized among topical skin protectant and astringent drug products.

The application contributes to easing the overall symptom load by supporting a drying effect and offering a soothing, cooling sensation. It is commonly used across conditions presenting with symptoms related to inflammatory or irritative states, such as localized swelling, redness, and burning from minor insect bites, allergic reactions, or the weeping phases of contact dermatitis (like poison ivy) and eczema. It may assist with managing common disruptive symptoms to support patient comfort during acute episodes, and is applicable in high-moisture contexts like irritations in skin folds (intertrigo).


Quick Fact: Relief for Acute Skin Discomfort
Primary Symptom Targeted: Weeping, oozing, itching, and local swelling.
Therapeutic Benefit: Supports a drying effect and helps ease discomfort.
Common Scenarios: Contact dermatitis, minor insect bites, and high-moisture irritation.

Eligibility and Restrictions for Use

Official Eligibility Rules for Burow's Solution

Burow's Solution (Aluminum Acetate Solution) is regulated as an over-the-counter (OTC) topical astringent, meaning its official eligibility profile is primarily determined by local contraindications and conditional use requirements for specific patient groups, rather than systemic health status.

Eligibility Classification Official Regulatory Stance
Absolute Contraindication Patients with a known hypersensitivity or allergy to aluminum acetate or any other ingredient must not use the medicine.
General Population Use is permitted for the general adult population for temporary, symptomatic relief of minor skin irritations.

Conditional Eligibility Status

For certain groups, regulatory authorities require professional consultation, defining their use as conditional, rather than prohibited or fully unrestricted:

  • Pregnancy and Breastfeeding: Use is conditional. Because human data on the drug's safety during pregnancy is limited and it is unknown if the topical ingredients are excreted in breast milk, official labeling advises patients to seek the advice of a healthcare professional before use.
  • Pediatric Use: Use is generally permitted. However, official labeling advises that parents or caregivers consult a healthcare professional regarding its use, especially to ensure it is administered safely and kept out of the reach of children to prevent ingestion.

Since the topical solution has minimal systemic absorption, official regulatory documents typically do not list contraindications related to systemic organ function, such as severe hepatic or renal impairment.

What should I know about interactions with other medicines?

Aluminum Acetate Solution is a non-systemic topical preparation, and its official interaction profile is defined primarily by its minimal systemic absorption. This characteristic restricts documented interactions to the local site of application, meaning systemic drug-drug interactions are not expected.

Interaction Scope

Category Officially Documented Statement
Systemic Interaction Status No systemic drug interactions are documented in regulatory labeling. Substantial systemic absorption is unlikely, thus interactions involving metabolic enzymes (e.g., CYP), drug transporters, or altered systemic exposure (AUC/Cmax) are not anticipated with oral or injectable medications.
Specific Interacting Agents Topical Collagenase preparations; Soap or other alkaline products; topical products containing alcohol or other drying agents.
Mechanistic Basis Pharmacodynamic antagonism or functional interference at the application site.

Interaction Classifications and Restrictions

The regulatory profile includes constraints categorized by their impact on efficacy or local effect:

  • Avoid Combination (Local): Co-administration with topical collagenase preparations should be avoided. This restriction is based on a documented pharmacologic interaction that may decrease the therapeutic efficacy of the enzyme preparation.
  • Procedural Restriction: The concurrent application of soap or other alkaline products may functionally reduce the astringent action of the solution.
  • Caution Constraint: Co-application of other products that dry the skin, including topical preparations containing alcohol, should be avoided on the same treatment area to prevent excessive effects.

Mechanism of Action

The mechanism of Burow's solution involves the localized operation of two complementary physicochemical processes, with all actions strictly confined to the surface layers of the tissue.

Chemical Coagulation and Tissue Constriction (Astringency)

The primary action involves the aluminum cation ( Al^3+) chemically reacting with and precipitating superficial proteins found in the skin's outermost layer and in any fluid exudate. This coagulation results in a structural change that causes the local tissue surface to firm and constrict, leading to the formation of a surface layer and the reinforcement of tissue structure.

Reduction of Fluid Outflow and Desiccation

The constriction of the tissue physically impedes the process of exudation, which is the release of fluid and moisture from compromised underlying tissue. By physically limiting the outflow of plasma fluids, this mechanism results in rapid and localized desiccation (drying) of the applied area. This desiccation effect operates alongside the solution's low pH and contributes to the overall change in the local physiological environment.

Acidity and Microbial Environment Modulation

The low acidic pH, maintained by the acetic acid component, serves a dual mechanistic role: it ensures the aluminum acetate remains chemically active and soluble for protein interaction, and it creates an unfavorable environment that inhibits the proliferation of surface bacteria and fungi. This secondary, additive action contributes to regulating the microbial activity in the immediate physiological context.

Dosage and Administration Information

Burow's Solution is the common name for the Aluminum Acetate Solution USP, an over-the-counter preparation intended strictly for topical administration and external use. Its use follows a dilution protocol where the concentration of aluminum acetate in the final solution defines the application.

Dosing and Preparation

The dosage is based on established standards for skin protectant preparations, which involve a final solution containing aluminum acetate in a range of 0.13% to 0.5%. To achieve this concentration, concentrated powders or tablets are mixed with water. For standard-strength powders, the preparation involves dissolving one to three packets into one pint (16 fl oz) of cool or warm water, then stirring until completely dissolved.

Administration Pattern General Guidelines
Route & Form Topical (External use only); requires dilution.
Application Method Applied as a soak or compress/wet dressing.
Frequency & Duration Application lasts 15 to 30 minutes; may be repeated up to three times a day (TID).
Course Limit Use is typically limited to 7 days if symptoms persist.

Procedural Constraints

The prepared solution is intended to be discarded after each use, and the compress or wet dressing should not be covered with plastic or any other impervious material that prevents evaporation. Due to the non-systemic route of administration, there are no specific dose adjustments noted for distinct populations, such as older adults.

Recent Clinical Evidence

Summary of Evidence on Burow's Solution

Burow's solution (Aluminum Acetate Solution) is generally categorized as a topical astringent and mild antiseptic. The primary mechanism studied is its astringent property, which involves mild coagulation of proteins and promotes the drying and protective hardening of the skin surface. Its use is traditionally focused on managing exudative (weeping) skin conditions.

Recent research has focused primarily on two areas: its use in otitis media (ear infections) and its antimicrobial profile in laboratory settings.

Findings in Otology and Antimicrobial Activity

  • Chronic Suppurative Otitis Media (CSOM): A clinical trial reported on the effectiveness of Burow's solution in managing active mucosal chronic suppurative otitis media (CSOM), which is often resistant to conventional treatment. Response rates of around 75% to 80% were observed in trial participants following two weeks of treatment using full-strength or quarter-strength aluminum acetate solutions. Lower concentrations were found to be less effective. Studies suggest it is effective on both bacterial and fungal organisms associated with ear infections.
  • Antimicrobial Profile: Laboratory studies have investigated the in vitro activity of the solution, indicating it may inhibit the growth of common bacteria, including Staphylococcus aureus and Pseudomonas aeruginosa, which are frequently found in discharging ears. The activity is thought to be related to its low pH and aluminum acetate content.

Dermatologic Use

In dermatology, Burow's solution is indicated for use as a wet dressing or soak to temporarily relieve minor skin irritations resulting from conditions like poison ivy/oak, insect bites, and athlete's foot. The evidence supporting its use in these areas is largely based on its long-standing classification as a generally recognized as safe and effective (GRASE) astringent, rather than extensive recent randomized controlled trials.

Frequently Asked Questions (FAQ)

Common questions about Burow's (FAQ)


Q: What is Burow's solution primarily used for on the skin?

Burow's solution is officially indicated for the temporary relief of minor skin irritations. According to regulatory documents, this includes irritations caused by common conditions such as poison ivy, insect bites, and athlete’s foot. Its primary role is as an astringent to help dry out weeping skin.


Q: Does Burow's solution work for bug bites?

The official product information indicates that Burow's solution is indicated for the temporary relief of minor skin irritation, specifically listing irritation caused by insect bites among its primary uses.


Q: What is the cooling sensation from Burow's solution?

The solution acts as an astringent and a desiccant, meaning it actively promotes drying. The rapid evaporation of the water, combined with the drying effect on the skin's surface, creates a local cooling sensation on the treated area.


Q: Can Burow's solution be used on children?

The official product labeling advises that parents or caregivers should seek the advice of a healthcare professional regarding the use of Burow's solution on children. This step is advised to ensure safe and appropriate administration for the child's specific needs.


Q: Can I apply lotion right after using Burow's solution?

Official warnings advise against applying topical products containing alcohol or other significant drying agents to the same area immediately after using Burow's solution, as this could lead to excessive dryness. The official label does not provide specific guidance on general moisturizers, only on avoiding other drying agents.


Q: Is it safe to use Burow's solution on broken skin?

Burow's solution is strictly for external use. Official warnings advise avoiding use over large areas, particularly raw surfaces or blistered skin. It is not indicated for treating open wounds; its use is limited to minor skin irritations.


Q: Does Burow's solution help relieve itching?

As an astringent, Burow's solution is indicated to temporarily relieve minor skin irritations. Its primary action is to dry and cool the skin, which assists in relieving the discomfort and minor irritation often associated with itching.


Q: Why do doctors still recommend an old remedy like Burow's solution?

Burow's solution is classified by the FDA as a generally recognized as safe and effective (GRASE) topical astringent. It remains useful today because it is known for its ability to physically dry out weeping or oozing skin conditions, which is a specific and valuable mechanical effect.


Q: Is Burow's solution suitable for people with eczema?

The product is indicated for the temporary relief of minor skin irritations, which can encompass conditions like contact dermatitis. While the official label does not specifically name eczema, its recognized effect on weeping skin is sometimes utilized. For the management of chronic conditions like eczema, professional medical guidance is necessary.


Q: Why do people use Burow's solution for ear infections (external use)?

The official regulatory indication for Burow's solution is for skin irritation relief. While clinical literature mentions its use in otology—for conditions affecting the external ear canal—this is considered an unapproved or off-label use; any non-indicated use requires guidance from a healthcare professional.


Q: Can I use Burow's solution if I have sensitive skin?

Individuals with a known hypersensitivity or allergy to aluminum acetate or any other ingredient should not use the solution. Because it is a strong drying agent, localized adverse reactions such as irritation or excessive dryness have been reported, and these may occur more readily in people with sensitive skin.


Q: Can Burow's solution be used on the face?

The product is strictly for external use. If used near the face, official warnings state that contact with the eyes must be avoided, and eyes should be rinsed thoroughly if contact occurs. No specific warnings or instructions for general use on facial skin are provided in the official label.


Q: Can Burow's solution be used as a soak for the feet?

Yes, the official product instructions state that the diluted solution is approved for use as a soak or wet dressing applied to the affected area, including the feet if that is the site of the skin irritation.


Q: Can I mix Burow's solution with other ingredients like Epsom salt?

Official information advises against combining the solution with soap or other alkaline products, as this may reduce its astringent action. There is no official guidance on mixing the solution with other soaks like Epsom salt.


Q: How long is Burow's solution good for after opening?

The diluted solution prepared for a compress or soak must be discarded after each single use. The concentrated product should be stored properly at room temperature and protected from excessive heat. You should always follow the expiration date printed on the original packaging for the concentrated solution.


Q: Where is Burow's solution typically stored?

Official labeling requires that the concentrated solution be stored at controlled room temperature, typically between 15 C and 30 C (59 F and 86 F). It must also be protected from excessive heat and freezing to maintain its stability.

How should Burow's be stored and disposed of?

How to Store and Dispose of Burow's Solution

Official regulatory labeling dictates specific conditions for storing and disposing of Burow's Solution (Aluminum Acetate Topical Solution) to maintain its stability.

Storage Requirements

  • Temperature: Store the solution at controlled room temperature, typically between 15 C and 30 C (59 F and 86 F). The product must be protected from excessive heat and should not be frozen.
  • Container and Protection: The container must be kept tightly closed to prevent contamination and evaporation. The product must also be stored out of the reach of children.

Disposal Instructions

The diluted solution prepared for a wet dressing or soak must be discarded after each use. Unused or expired Burow's Solution must be thrown away; do not pour the solution down the drain or flush it down the toilet unless specifically instructed by a local disposal program.

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

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