Albon

Quick links to important sections

Albon

Treatment option:

Medically reviewed

Laura Arias

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 Albon

Quick Facts

Property Description
Active Ingredient Sulfadimethoxine
Form Oral suspension, tablets, soluble powder, bolus
Pharmacological Class Sulfonamide Antibiotic / Broad-Spectrum Antibacterial Agent
General Purpose Control of systemic and localized infections in animals
Origin Synthetic Compound

What is Albon and What Type of Drug is it?

Albon is a trade name for a synthetic compound used specifically in veterinary medicine whose active ingredient is Sulfadimethoxine. This compound is fundamentally classified as a sulfonamide antibiotic, often referred to as a sulfa drug, which belongs to the class of broad-spectrum antibacterial agents. The drug is established as a prescription-only tool for managing animal health. Unlike generic Sulfadimethoxine, the Albon brand is recognized for its extended half-life, a key feature in veterinary practice that supports simplified administration schedules. It is a single-ingredient product administered via the oral route and is available in various dosage forms, including tablets, oral suspension, and a water-soluble powder, providing versatility for treating multiple animal species.


Understanding Albon's General Purpose and Function

The general function of Sulfadimethoxine is to provide effective antimicrobial activity against a wide variety of susceptible microorganisms, aiding in the control of systemic infections and specific protozoan diseases like coccidiosis. This action is achieved through a bacteriostatic action, meaning the compound works by inhibiting the growth and reproduction of target pathogens rather than directly destroying them. The drug acts as a competitive antagonist, preventing the microbial synthesis of folic acid which is critical for the production of the pathogen's DNA and RNA. By halting this essential metabolic process, the drug allows the animal's immune system to gain the necessary advantage to clear the infection.

Regulatory References

  1. Albon Action/Description - DailyMed (NIH/FDA)
  2. Sulfadimethoxine Mechanism of Action - DailyMed (NIH/FDA)

What side effects are possible with Albon?

The regulatory safety profile for the active ingredient, Sulfadimethoxine, is structurally defined by its classification as a sulfonamide antibiotic, with potential adverse reactions grouped into major System-Organ Classes as documented in official government labeling.

Adverse Reaction Scope

Category Regulatory Statement / Entity
System-Organ Classes Haematological System (Blood); Integumentary System (Skin); Gastrointestinal System; Renal/Urinary System (Kidney); Immune System.
Common Reactions Gastrointestinal disturbances, such as reduced appetite and vomiting; skin rash; and dry eye syndrome (keratoconjunctivitis sicca) with prolonged use.
Serious Reactions Officially documented severe events include Severe Hypersensitivity Reactions (e.g., anaphylaxis); Severe Blood Dyscrasias (e.g., agranulocytosis); and Severe Cutaneous Adverse Reactions (SCARs).
Exposure Patterns The regulatory profile notes that concerns regarding chronic toxicity and certain immune-mediated conditions may be associated with prolonged use of sulfonamides.

Safety Constraints

The regulatory framework establishes mandatory safety restrictions for use in specific situations. The medicine is officially contraindicated in patients with a known history of sulfonamide sensitivity or allergy. It is also restricted or contraindicated in individuals with marked liver or kidney damage. For food-producing animals, strict adherence to mandatory withdrawal periods for milk and meat, such as for lactating dairy cattle, is required to prevent tissue residues.

The official safety information structures the understanding of risks by categorizing potential effects according to the affected organ systems and explicitly documenting the need for caution in populations with hepatic or renal impairment. This regulatory approach defines the boundaries of use where the official risk is considered acceptable.

Overdose and Emergency Response

Overdose and when to seek help — official regulatory information for Albon

Overdose scope

Field Regulatory Statement
Documented overdose presentations Diarrhea (observed in dogs at massive single oral doses of 3.2 g/kg body weight).
Physiological systems affected Gastrointestinal tract (associated with the only documented clinical sign).
Dose-related factors Massive single oral doses documented in toxicity studies.
Population-specific overdose notes Overdose data and findings are specifically referenced for dogs.
Emergency-response statements The mandated action is to contact a veterinarian immediately or utilize an animal poison control center.
When immediate medical help is required Upon the suspicion or witnessing of any overdosage.

Overdose classifications (high-level)

Field Regulatory Statement
Severity classification Regulatory documents indicate the drug has a documented low toxicity profile and is cited as being very safe based on acute and chronic toxicity data.
Regulatory basis U.S. Food and Drug Administration (FDA) prescribing information.
Overdose-context constraints Data constraints are linked to acute, massive oral exposure in test species.

Resulting overdose structure

Official overdose statements:

  • The drug has a documented low toxicity profile, indicated by its classification as "very safe" in acute and chronic toxicity summaries.
  • The only adverse clinical manifestation observed at massive single oral doses in dogs was diarrhea.
  • In the event of suspected overdosage, the mandatory regulatory action is to immediately contact a veterinarian or an animal poison control center.
  • No specific antidote is explicitly documented in the official prescribing information, and management is aligned with standard symptomatic and supportive treatment.

Connection to the overall overdose profile (2–4 sentences): The official regulatory profile for Sulfadimethoxine overdose is primarily defined by its high safety margin and minimal documented clinical manifestations following massive acute exposure in test subjects. Despite the low toxicity findings, regulatory guidance explicitly requires that immediate professional medical help be sought upon any suspicion of overdosage. The overall structure emphasizes emergency consultation as the primary mandated action.

Therapeutic Uses of Albon

What Albon Treats: Main Uses and Benefits

The medication is applied across domains where additional symptomatic support is needed in conditions where symptoms are caused by susceptible microorganisms. Its application spans various therapeutic areas.

Albon is commonly used to help manage symptom clusters related to systemic imbalance and inflammatory or irritative states in conditions presenting with acute episodes. It is relevant in therapeutic areas like the respiratory, genitourinary, and soft tissue domains, as well as the gastrointestinal tract. This application is often relevant when symptoms lead to temporary functional strain or discomfort.

This medicine provides support that helps ease the overall symptom burden.

“This use helps maintain a sense of stability when symptoms are more noticeable and supports general well-being during symptomatic phases.”

It is relevant for easing symptoms linked to organ-specific functional stress, which supports general comfort.


Quick Fact: Relief for Symptoms Related to Physical Discomfort in the Gut


Regulatory References

  1. U.S. Food and Drug Administration (FDA) approved label via DailyMed

Eligibility and Restrictions for Use

Eligibility Map: Who can and cannot use Albon

Eligibility scope

Category Official Regulatory Statement
Allowed Populations Dogs, Cats, Cattle (Calves, Heifers, Beef Cattle), and Poultry (Chickens, Turkeys).
Contraindicated Populations Humans (WARNING: Not for Human Use); Animals with known allergy to sulfonamides; Severely Dehydrated animals; Animals with severe liver or kidney dysfunction; Veal Calves; Female dairy cattle over 20 months of age (for certain formulations).
Use with Caution/Restricted Pregnant or nursing/lactating animals (use not recommended); Old, weak, or frail pets; Animals with mild organ dysfunction (liver, kidney, thyroid); Specific breeds (Doberman Pinschers, Samoyeds, Miniature Schnauzers).

Eligibility classifications (high-level)

Category Official Regulatory Classification/Basis
Eligibility Severity Contraindicated (Absolute non-eligibility); Not Recommended (Reproductive status); Use with Caution (Comorbidity/Breed/Life-stage restrictions).
Regulatory Basis U.S. FDA (New Animal Drug Application - NADA)
Eligibility Constraints Hypersensitivity, Organ Impairment (Severe forms), Dehydration, Production Status.

Connection to the overall eligibility profile

Regulatory documents define Albon's official eligibility profile primarily by species approval, explicitly excluding humans and approving only specific animals. Absolute contraindications are enforced for animals with known sulfa allergy or severe organ dysfunction. The profile places further restrictions by classifying use as not recommended in pregnant/nursing animals and requiring specific caution for certain dog breeds and geriatric patients.

What should I know about interactions with other medicines?

Interactions with other medicines and products

The interaction profile of Albon (Sulfadimethoxine) focuses on substances that alter its exposure or contribute to pharmacodynamic effects, as described in official regulatory documents. No specific medicinal products are formally listed as contraindicated in core labeling.


Interaction Scope

Category Documented Information
Medicinal product categories with documented interactions Diaminopyrimidine Derivatives, Highly Protein-Bound Drugs, Antacids, Products associated with Increased Risk of Hypoglycemia.
Specific interacting medicines (if explicitly listed) Cyclosporine.
Mechanistic basis of interactions (only if stated in label) Potential for synergistic pharmacodynamic action; Alteration of oral absorption; Displacement from plasma protein binding; CYP2C9 inhibition (associated with the sulfonamide class).

Official Interaction Statements

  • Antacids are documented to reduce Sulfadimethoxine's oral absorption, leading to lower systemic drug exposure. Caution is explicitly noted for co-administration.
  • Co-administration with Cyclosporine is associated with an increased risk of renal failure and may reduce Cyclosporine serum levels.
  • Diaminopyrimidine derivatives (e.g., Trimethoprim) exhibit a documented synergistic pharmacodynamic action with Sulfadimethoxine.
  • Highly protein-bound drugs may increase the free concentration of Sulfadimethoxine by displacing it from plasma binding sites.
  • The risk or severity of hypoglycemia is reported to be increased when Sulfadimethoxine is used alongside other products that induce hypoglycemia.
  • Administration with food is noted as a measure that can help mitigate or reduce the risk of gastrointestinal side effects.

The regulatory documents characterize the product’s interaction structure primarily through pharmacokinetic exposure modification and pharmacodynamic synergism. The profile includes specific constraints on co-administration, such as the required caution with Antacids, reflecting the potential for reduced therapeutic drug exposure.

Mechanism of Action

Competitive Blockade of Microbial Folic Acid Production

The drug Sulfadimethoxine functions as a competitive inhibitor of the bacterial enzyme dihydropteroate synthase (DHPS). By structurally mimicking the enzyme's natural substrate, PABA, the drug blocks the first step in the microbial folic acid synthesis pathway. This molecular interference occurs in microorganisms that rely on de novo folate synthesis.


Pathway Arrest Leading to Bacteriostasis

The blockade of folate synthesis halts the essential downstream formation of purines and thymidine, the required precursors for DNA and RNA. This restriction arrests the cell's ability to replicate its genetic material and divide, resulting in a bacteriostatic effect: the inhibition of microbial growth and multiplication. This mechanism maintains a non-proliferating microbial population.


Functional Limitations of the Competitive Mechanism

The action of this competitive mechanism is inherently constrained by the ratio of the drug to its natural competitor, PABA. If the concentration of PABA is high in the biological environment, it can outcompete the drug, reducing the inhibitory effect. Furthermore, the mechanism's scope does not extend to non-dividing (quiescent) microorganisms, as it exclusively targets the processes required for active cell division.

Dosage and Administration Information

How Albon is Used

The usage protocol for Albon (Sulfadimethoxine) is structured around a precise step-down dosing regimen and a simplified once-daily frequency, reflecting its classification as a long-acting sulfonamide. Administration is highly dependent on the animal species and the chosen product formulation, but the core dosing principle remains consistent across approved uses.


Official Dosing and Administration

Route of Administration

The drug is primarily administered via the oral route, available in multiple forms including tablets, oral suspension, and boluses. An Intravenous (IV) injection formulation (40% concentration) is also officially approved for use exclusively in cattle.

Standard Dosing Regimen

Treatment is initiated with a higher loading dose followed by a lower maintenance dose. All doses are calculated strictly based on the animal's body weight (in pounds):

Administration Step Dosage Rate Frequency
Initial Dose (Day 1) 25 mg per pound Once
Subsequent Doses 12.5 mg per pound Once daily

Duration and Cessation

The maintenance dose is continued for a course that typically spans 3 to 5 days. The official criterion for stopping administration is when the animal has been symptom-free for 48 hours. Treatment is generally not continued beyond 5 days for certain labeled applications in cattle.


Procedural and Contextual Instructions

When administering the oral suspension, the product must be shaken well prior to use. Oral forms may be given with or without food. For mass administration, the 12.5% concentrated solution must be diluted to a specific percentage (e.g., 0.05% or 0.025%) and administered via drinking water, with adjustments made for seasonal water intake variations in cattle to ensure correct dosage. The IV administration route, when applicable, must be performed slowly.

Recent Clinical Evidence

Research evidence / Overview of studies for Albon

Evidence for use in Systemic Bacterial Infections

Research exploring the use of Albon (Sulfadimethoxine) for systemic bacterial infections is built upon controlled comparative studies and field reports that were included in its initial regulatory review for use in animals. These studies were observed in species such as dogs, cats, and cattle.

The research examined outcomes related to systemic or functional imbalance, specifically focusing on the measurement of changes in visible clinical signs and the level of clearance of susceptible bacteria. Findings describe patterns observed in the studies, which often relied on historically older data from the time of original regulatory approval.

Evidence for use in Coccidiosis-Associated Bacterial Enteritis

Albon was evaluated in studies focused on conditions associated with bacterial enteritis linked to coccidiosis in species like dogs (puppies) and poultry. Research has explored these conditions using controlled designs, monitoring outcomes related to physical discomfort in the gut, and changes in microbiological measures like oocyst shedding.

What remains uncertain includes the variability of the findings, which can occur due to the complex lifecycle of the coccidia parasite. Long-term effects are not fully established in the public regulatory summaries, as the research primarily focused on short-term changes.

Studies of Evidence Consistency and Research Gaps

The overall evidence for Albon was observed in various approved species, including dogs, cats, and cattle. Regulatory acceptance was granted for the approved uses based on the findings observed across these different species and conditions. The evidence was categorized as moderate because the data often stem from the time of original product approval.

The majority of studies focus on the short-term treatment phase, meaning follow-up durations were short in most primary efficacy trials. As a result, data for long-term outcomes remains insufficient. Comparative evidence against other antimicrobial treatments is also not broadly described in the public domain, and the results apply only to the specific animal populations studied.

Key Studies & References

  1. ALBON (Sulfadimethoxine) oral suspension, full prescribing information (Approved FDA Label via DailyMed)
  2. Efficacy of sulfadimethoxine in the treatment of induced bacterial enteritis and coccidiosis in dogs (Representative Peer-Reviewed Veterinary Study)
  3. Antimicrobial Resistance in Veterinary Medicine: Focus on Sulfonamides (Review supporting evidence limitations)

Frequently Asked Questions (FAQ)

Common questions about Albon (FAQ)

Q: Is Albon considered a penicillin or a different type of antibiotic?

According to official regulatory documents, the active ingredient in this medicine, Sulfadimethoxine, is classified as a sulfonamide antibiotic, often referred to as a sulfa drug. It is a synthetic compound that belongs to a different class and does not belong to the penicillin group of antibiotics.


Q: What type of infections is Albon typically prescribed for?

Official indications list the drug's use for a variety of infections, including those in the respiratory tract, genitourinary tract, and soft tissues. This may include conditions described as tonsillitis, pneumonia, cystitis, abscesses, and certain bacterial enteritis infections.


Q: How quickly is Albon supposed to start working after the first dose?

Official product information describes Albon as a rapidly absorbed, long-acting sulfonamide. For oral forms, label information indicates that effects may become apparent within 24 to 48 hours after the first dose is administered.


Q: Can taking Albon lead to issues like dry mouth or dry eyes?

Official regulatory documents list dry eye syndrome (keratoconjunctivitis sicca) as a potential serious adverse reaction associated with this drug. However, dry mouth is not explicitly listed as a potential effect in the official safety profile.


Q: Is it possible for Albon to affect kidney function or cause crystals in the urine?

Regulatory documents note that the drug’s high solubility at the normal pH level in the kidney is intended to prevent precipitation. This solubility is cited as precluding the possibility of crystalluria, which is the formation of crystals in the urine sometimes associated with sulfa-class medicines.


Q: Are there any known long-term side effects from using Albon?

Data concerning chronic toxicity generally indicates a favorable safety profile, but regulatory guidance notes that the usual precautions associated with sulfonamide therapy are to be observed. Most studies focus on short-term treatment phases, and long-term effects are not fully established in public regulatory summaries.


Q: Can older adults use Albon safely?

The official regulatory profile indicates that caution is required for patients who are old, weak, or frail. This restriction is based on the increased risk of adverse reactions or complications that may occur in these groups.


Q: Is it necessary to drink extra water while taking Albon?

Official precautions note that adequate water intake is a necessary condition to be maintained during the entire treatment period. This general requirement is noted to help ensure proper systemic health and function while the medicine is being administered.


Q: Is there a difference between the liquid and tablet forms of Albon?

The difference is primarily in form and concentration. The oral suspension is a 5% liquid, designed for easier administration. The tablet forms are available in specific strengths, such as 125 mg, 250 mg, and 500 mg per tablet.


Q: Does Albon interact with antacids or iron supplements?

Official drug interaction statements note that co-administration with antacids is documented to reduce the drug's oral absorption. The product label does not explicitly list specific interactions with iron supplements.


Q: Does Albon lose effectiveness over time or with repeat use?

Official labeling includes a limitation statement common to all antibacterial agents. It indicates that occasional failures in therapy may occur, which is typically due to the development of resistant microorganisms over time or with repeat use.


Q: Why is Albon sometimes referred to as a "dewormer" in online discussions?

Regulatory documents indicate the drug is used for infections like bacterial enteritis associated with coccidiosis. Coccidiosis is caused by a protozoan parasite, which is often mistakenly grouped with 'worms' or dewormers in common public discussions. Albon is classified as an antibacterial and antiprotozoal agent.


Q: How is the strength of Albon measured or written on a prescription?

The strength of the tablets is written in milligrams, such as 125 mg, 250 mg, or 500 mg. The liquid oral suspension strength is generally expressed as a percentage, such as a 5% solution.


Q: Can Albon be crushed or mixed into food for those who have trouble swallowing pills?

Official product forms are available as tablets, which may be scored, and as a liquid suspension. While the presence of a score on tablets may suggest they can be broken, the official label does not explicitly state that they can be crushed for administration.

How should Albon be stored and disposed of?

How to Store and Dispose of Albon (Sulfadimethoxine)

Official regulatory information specifies strict environmental constraints for storing Albon preparations to maintain stability.


Storage Requirements

Condition Requirement (Official Labeling)
Temperature Store Oral Suspension at controlled room temperature, 15^circ–30^circmathrmC (59^circ–86^circmathrmF).
Store Concentrated Solution at 20^circ–25^circmathrmC (68^circ–77^circmathrmF).
Protection All forms must be protected from light and kept in the original container.
Stability Note Freezing or discoloration of the concentrated solution does not affect potency; thaw before use if frozen.
Child Safety Due to its status as NOT FOR HUMAN USE, the product must be stored strictly out of reach of children.

Disposal Instructions

Unused or expired Albon must be disposed of according to local regulations. Regulatory guidance recommends utilizing an authorized drug take-back program. If this is unavailable, household disposal should involve mixing the product with an unappealing substance, sealing it, and discarding it in the trash; do not flush the medication.

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

Available in countries:

Equivalent of Albon found in:

A-Z Index: