Respiratory Diseases in Service Dogs

Respiratory diseases are among the most common health problems in service dogs and can significantly impair operational capability. Early recognition and appropriate treatment are crucial to maintain the health and performance of the dogs.

Overview: Respiratory Diseases in Service Dogs

Service dogs are particularly susceptible to respiratory diseases due to their intensive physical exertion and diverse environmental conditions. These can range from mild colds to serious chronic diseases.

Frequency and Importance

Respiratory diseases occur more frequently in service dogs than in household dogs, which is due to the special stresses:

  • Intensive physical exertion
  • Extreme weather conditions
  • Various environments (city, forest, buildings)
  • Stress from operations
  • Contact with various surfaces and substances

Types of Respiratory Diseases

Infectious Respiratory Diseases

Infectious respiratory diseases are caused by viruses, bacteria, or fungi and can spread quickly in dog units.

Viral Infections

The most common viral respiratory infections in dogs are:

  1. Canine Distemper - Severe viral disease with respiratory symptoms
  2. Parainfluenza - Causes coughing and nasal discharge
  3. Adenovirus Type 2 - Leads to coughing and fever
  4. Canine Herpesvirus - Particularly dangerous in puppies

Bacterial Infections

Bacterial infections can occur primarily or as secondary infections after viral diseases:

  • Bordetella bronchiseptica (Kennel cough)
  • Streptococcus infections
  • Mycoplasma infections
  • Pasteurella infections

Non-Infectious Respiratory Diseases

Non-infectious diseases are caused by environmental influences, allergens, or anatomical problems.

Allergic Respiratory Diseases

Allergies can lead to chronic respiratory problems:

  • Pollen allergies
  • Dust mite allergies
  • Mold allergies
  • Contact allergies from chemicals

Anatomical Problems

Certain dog breeds are prone to anatomical respiratory problems:

  • Brachycephalic airway syndrome (short-nosed breeds)
  • Narrowed nostrils
  • Elongated soft palate
  • Collapsing trachea

Symptoms and Recognition

Early Warning Signs

Early recognition of respiratory diseases is crucial for successful treatment:

Symptom
Description
Urgency
Coughing
Dry or productive cough, especially after exertion
Medium
Nasal Discharge
Clear, whitish, or purulent, unilateral or bilateral
Medium
Sneezing
Frequent or persistent sneezing
Low
Shortness of Breath
Difficulty breathing, especially during exertion
High
Panting
Excessive panting even without exertion
Medium
Lethargy
Reduced activity and performance
Medium
Fever
Elevated body temperature above 39.5°C
High
Loss of Appetite
Reduced food intake
Medium

Advanced Symptoms

In advanced respiratory diseases, the following symptoms may occur:

  • Cyanosis (bluish discoloration of mucous membranes)
  • Open-mouth breathing even at rest
  • Inability to perform physical exertion
  • Weight loss
  • Chronic cough

Diagnosis and Examination

Clinical Examination

The initial diagnosis is made through a thorough clinical examination:

  1. Medical History - Inquiry about disease history and symptoms
  2. Auscultation - Listening to lungs and heart
  3. Inspection - Assessment of nostrils, oral cavity, and mucous membranes
  4. Palpation - Feeling the neck and trachea

Further Diagnostics

In unclear cases or severe symptoms, further examinations are necessary:

  • X-rays - Assessment of lungs and airways
  • Blood Test - Detection of inflammation and infections
  • Bronchoscopy - Direct inspection of airways
  • Bacteriological Examination - Detection of pathogens
  • Allergy Tests - Identification of allergens

Treatment and Therapy

Medication Treatment

Treatment depends on the cause of the respiratory disease:

Antibiotics

Antibiotics are used for bacterial infections:

  • Amoxicillin-Clavulanic Acid - Broad-spectrum antibiotic
  • Doxycycline - For Bordetella infections
  • Enrofloxacin - For severe infections

Important: Antibiotics must always be administered completely, even if symptoms have already subsided.

Antitussives (Cough Suppressants)

Cough suppressants are used to relieve the cough reflex:

  • Codeine - Strong cough suppressant for severe cough
  • Butorphanol - For acute cough
  • Dextromethorphan - Mild cough suppressant

Bronchodilators

For narrowed airways, bronchodilator medications help:

  • Terbutaline - Expands the bronchi
  • Aminophylline - Improves breathing
  • Theophylline - Long-term treatment

Anti-Inflammatory Drugs

Anti-inflammatory medications reduce swelling:

  • Corticosteroids - For severe inflammation
  • NSAIDs - Non-steroidal anti-inflammatory drugs
  • Antihistamines - For allergic reactions

Supportive Measures

In addition to medication treatment, supportive measures are important:

Rest and Recovery

  • Reduction of physical exertion
  • No operations during illness
  • Sufficient rest periods
  • Stress reduction

Environmental Adjustment

  • Optimal humidity (40-60%)
  • Good ventilation
  • No drafts
  • Clean environment

Inhalation Therapy

Inhalation can moisten the airways and deliver medications directly:

  • Saline Solution - Moistens the airways
  • Medicated Inhalation - Direct medication administration
  • Steam Inhalation - Dissolves secretions

Checklist: Treatment of Respiratory Diseases

  • Veterinary examination performed
  • Diagnosis made and documented
  • Medications prescribed and administered
  • Rest and recovery ensured
  • Environmental conditions optimized
  • Regular check-ups performed
  • Symptoms documented
  • Communication with veterinarian maintained
  • Operational capability reassessed
  • Preventive measures planned

Prevention and Prophylaxis

Vaccinations

Regular vaccinations are the most important protection against infectious respiratory diseases:

Vaccination
Protection Against
Vaccination Interval
Special Features
Distemper
Canine Distemper Virus
Annually
Combination vaccine
Kennel Cough
Bordetella bronchiseptica
6-12 months
Intranasal or injection
Parainfluenza
Parainfluenza Virus
Annually
Combination vaccine
Adenovirus
Adenovirus Type 2
Annually
Combination vaccine

Hygiene Measures

Hygiene is crucial to prevent the spread of infections:

  1. Regular Cleaning - Disinfection of equipment and vehicles
  2. Isolation - Separate sick dogs from healthy ones
  3. Hand Washing - After contact with sick dogs
  4. Separate Equipment - Use for sick dogs
  5. Ventilation - Good air circulation in accommodations

Health Monitoring

Regular health checks help identify problems early:

  • Daily observation of general condition
  • Regular temperature measurement
  • Assessment of respiratory rate
  • Examination of mucous membranes
  • Documentation of abnormalities

Special Risk Factors in Service Dogs

Physical Exertion

Intensive physical exertion during operations can promote respiratory diseases:

  • Overexertion - Exhaustion weakens the immune system
  • Extreme Temperatures - Heat and cold stress the airways
  • Dust and Particles - Various environments contain irritants
  • Chemicals - Contact with various substances

Stress Factors

Stress can weaken the immune system and promote infections:

  • Operational stress
  • Unfamiliar environments
  • Noise and commotion
  • Social stress

Environmental Conditions

Service dogs are exposed to various environments:

  • Urban Environments - Exhaust fumes, fine dust
  • Forest and Nature - Pollen, molds
  • Buildings - Poor ventilation, pollutants
  • Extreme Weather Conditions - Cold, heat, humidity

Long-Term Consequences and Chronic Diseases

Chronic Bronchitis

Recurring or incompletely healed respiratory infections can lead to chronic bronchitis:

  • Symptoms: Persistent cough, shortness of breath during exertion
  • Treatment: Long-term medication, environmental adjustment
  • Prognosis: Depends on severity and treatment

Pulmonary Fibrosis

Severe or recurring inflammation can lead to pulmonary fibrosis:

  • Symptoms: Progressive shortness of breath, reduced performance
  • Treatment: Supportive therapy, reduction of exertion
  • Prognosis: Often limitation of operational capability

Allergic Asthma

Recurring allergic reactions can lead to asthma:

  • Symptoms: Paroxysmal shortness of breath, coughing
  • Treatment: Allergen avoidance, medication
  • Prognosis: Usually well controllable with treatment

Operational Capability and Rehabilitation

Assessment of Operational Capability

After a respiratory disease, operational capability must be reassessed:

  1. Complete Recovery - No symptoms remaining
  2. Stress Test - Testing under operational conditions
  3. Veterinary Clearance - Official clearance for operations
  4. Gradual Reintegration - Starting with light tasks

Rehabilitation Measures

Rehabilitation after severe respiratory diseases requires time and patience:

  • Gradual Increase in Exertion - Slow increase in activity
  • Breathing Training - Targeted exercises to strengthen the airways
  • Conditioning Training - Rebuilding physical fitness
  • Regular Check-ups - Monitoring recovery progress

Cooperation with Veterinarians

Regular Check-ups

Regular veterinary check-ups are essential:

  • Preventive Examinations - At least annually
  • After Illness - Check-up after recovery
  • Before Operations - Health check as needed
  • Documentation - Complete recording of all findings

Communication

Good communication between dog handler and veterinarian is important:

  • Symptom Documentation - Detailed description of observations
  • Operational Conditions - Information about special stresses
  • Medication Administration - Correct administration according to instructions
  • Asking Questions - Always ask if unclear

Last Updated: October 21, 2025