Can streptococcus infection spread to other pets or humans?

Streptococcus can potentially spread between animals, particularly when pets share food bowls or have close contact with one another. If you have concerns, consult your vet for infection control advice.

My pet has a fever or persistent cough — when should I see a vet?

If your pet has a persistent high fever, frequent coughing, changes in breathing, or a noticeable drop in energy, seek veterinary evaluation promptly. Blood tests and chest imaging may be recommended.

What tests does the vet typically run to confirm a streptococcus infection?

Common tests include blood work, urinalysis, secretion culture, and PCR. Chest X-rays or advanced imaging may also be used to assess organ involvement.

What should owners monitor during follow-up visits?

Track your pet's body temperature, appetite, activity level, coughing frequency, and elimination patterns. Bring any records or videos to your follow-up appointment to help the vet assess progress.

How much do the tests and treatment usually cost?

Costs vary by clinic and region — ask your vet for an estimate before proceeding.

Disease Guide

Streptococcus Infection in Dogs & Cats: Fever, Breathing Issues & Care Guide [2025]

Streptococcal infection causes multi-organ symptoms

Take 1 minute to check the symptoms first

Last updated: 2026/01/06

Pethealthmap Editorial Team

Sources: AVMA, WSAVA, National Taiwan University Veterinary Hospital

When to See a Vet

Seek Emergency Care Immediately

•Persistent rapid breathing or open-mouth breathing
•Sudden collapse or prolonged loss of consciousness
•Purple or pale gums or lips accompanied by breathing difficulty

Schedule a Clinic Visit Soon (within 24–72 hours)

•Persistent high fever lasting more than one day without improvement, or recurring fever
•Frequent or prolonged coughing that disrupts sleep or daily activity
•Blood in urine or a noticeable change in urination habits

01What symptoms indicate something is wrong?

Streptococcal infection commonly presents with systemic illness and respiratory or urinary symptoms; some cases may show acute warning signs.

Persistent weakness and significantly reduced activity
Recurring fever or persistently elevated body temperature
Frequent coughing, sometimes with thick mucus sounds
Rapid breathing or open-mouth breathing
Pain on touch or reluctance to be handled
Blood in urine or changes in urination behavior

Seek emergency care immediately if you notice the following symptoms:

⚠️ Difficulty breathing or visibly labored breathing
⚠️ Sudden collapse or loss of consciousness
⚠️ Purple or pale gums or lips

02How should you assess the situation at home? Key observations and emergency warning signs

Observing and recording key changes at home helps the vet quickly understand the condition and prioritize diagnostic steps.

Measure and record body temperature at the same time each day
Record the frequency, intensity, and duration of each coughing episode
Observe breathing rhythm; note any wheezing or open-mouth breathing
Track changes in alertness, activity level, and appetite
Note urination and defecation patterns and watch for blood in urine
Record video or audio on your phone to share at the appointment

03How will the vet make a diagnosis? Common diagnostic tests

The vet will begin with a physical examination, then use blood tests, imaging, and pathogen testing to assess the extent of infection and organ involvement.

Full physical examination and chest auscultation to assess breathing

Blood tests and complete blood count (CBC) to evaluate inflammation and overall condition

Urinalysis to assess urinary tract or kidney function changes

Chest X-ray to check for lung or thoracic lesions

Secretion culture or bacterial testing to identify the pathogen

PCR (nucleic acid testing) for rapid pathogen identification

CT scan or advanced imaging if needed to assess organ involvement

A specialist hospital with culture and PCR capabilities is recommended

04How is the condition treated and managed after diagnosis? Medications, dietary adjustments, and care guide

Treatment depends on test results and the identified pathogen; regular follow-up visits are needed to monitor response, and attentive home care supports recovery.

Discuss appropriate treatment options with your vet based on test results
Schedule regular follow-up visits as directed to assess treatment response
Monitor blood work or imaging changes to evaluate recovery progress
Continuously report changes in appetite, weight, and energy levels
Keep the home environment warm and quiet; avoid excessive activity
Return to the vet promptly if there is no improvement or symptoms worsen

05What should you prepare before the vet visit? Key information to help the vet quickly identify the cause

Write down when symptoms first appeared and how they have progressed

Record daily food intake, water consumption, and elimination patterns

List all current medications and supplements

Bring video or audio showing your pet's breathing and coughing

Bring previous test reports or imaging results if available

Use a secure carrier and bring a towel to help keep your pet calm

This content is for reference only and cannot replace a professional veterinary diagnosis. If your pet shows signs of illness, please seek veterinary care promptly.