Being bitten by a dog can be frightening and deeply unsettling, and it can be dangerous in more ways than people expect. When most people think about a dog bite, they picture the immediate injuries, puncture wounds, torn skin, bruising, and damage to tissue. What often gets missed is that the biggest threat is not always what you can see right away, but what can develop afterward: a bite can introduce bacteria into the wound and lead to an infection that worsens quickly.
How Common Are Dog Bite Infections?
Dog bite infections are common enough that any bite that breaks skin should be taken seriously, no matter what kind of breed the dog is. Medical guidance also emphasizes that some bites are higher risk for infection, especially bites to the hand and bites that require closure.ย
In addition, people who are immunocompromised, have uncontrolled diabetes or circulation problems, and people who are generally older are more at risk of sustaining serious infections.ย
Symptoms of an Infected Dog Bite
Seek urgent medical attention if you notice any of the following after a bite:
- redness that spreads or gets darker
- warmth, swelling, or increasing pain
- pus or cloudy drainage
- fever or chills
- red streaking moving away from the wound
- swelling near lymph nodes (neck, armpit, groin)
- trouble moving fingers, wrist, ankle, or nearby joint
6 Dangerously Common Dog Bite Infections
Below are infections doctors commonly consider after dog bites. The exact diagnosis and treatment is up to a clinician.
1) Pasteurella (Pasteurellosis)
Pasteurella bacteria are commonly associated with animal bites. Infection can cause rapidly developing pain, redness, and swelling, and may progress to cellulitis or abscess in more serious cases.
2) Staph and Strep Infections
Staph and strep are frequent causes of skin infections. After a dog bite, they can present with worsening redness, swelling, drainage, and sometimes fever. These infections can become more serious if they spread.
3) Cellulitis
Cellulitis is a bacterial skin infection that can spread quickly. It often causes warm, expanding redness, swelling, and tenderness. A clinician may recommend antibiotics and follow-up depending on severity.
4) Capnocytophaga
Capnocytophaga infections are a known risk after dog or cat bites, with higher risk for immunocompromised people. The CDC lists symptoms such as blisters around the bite, redness or swelling, draining pus, fever, vomiting, diarrhea or stomach pain, headache or confusion, and muscle or joint pain.
5) E. Coli and Other Mixed Bacterial Infections
Some bites introduce a mix of bacteria. This can lead to abscesses, deeper infection, or infections that worsen over time if not treated. (This is one reason prompt evaluation matters, especially for hand bites.)
6) Rabies Exposure Concerns
Rabies from domestic dogs in the U.S. is rare, but medical evaluation is still important if the animal is unknown, unvaccinated, or cannot be observed. Clinical guidance describes rabies post-exposure prophylaxis as a combination of wound care, immune globulin, and vaccine depending on risk assessment.
What to Do After a Dog Bite
If there is severe bleeding, deep tissue injury, facial bites, bites to the hand, loss of sensation, or signs of infection, get urgent care.
General steps that are commonly recommended right away:
- Wash the bite with soap and running water.
- Cover it with a clean bandage.
- Take clear photos of the wound before it changes.
- Get medical advice the same day if skin breaks, especially for hand bites or puncture wounds.
Medical reviews commonly recommend considering prophylactic antibiotics for higher-risk bites and list amoxicillin-clavulanate as a common first-line option that clinicians use for bite prophylaxis or treatment decisions.
How Infections Increase the Value of a Dog Bite Claim
According to California Civil Code 3342, a dog owner is generally liable when their dog bites someone in a public place or when the victim is lawfully on private property, even if the dog had never bitten before. So that means, they will become liable for general bites that require basic medical attention. However, an infection can increase damages because it can add:
- ER or urgent care visits and medication costs
- follow-up care, wound care, or drainage procedures
- time missed from work
- scarring or long-term sensitivity
- anxiety, sleep disruption, and reduced quality of life
The key to prove a serious infection is by providing medical records and photos in a timely manner, because most California injury claims have a two-year deadline from the date of injury.
Bit By A Dog? Talk to West Coast Trial Lawyersย
Your health comes first. If a dog bite broke your skin, get medical care right away, then keep every record, photo, prescription, and follow up note. Once you are safe, the next step is making sure the dog owner and their insurance company do not minimize what happened, especially when an infection turns a โsimple biteโ into weeks or months of treatment, missed work, scarring, and lasting pain.
At West Coast Trial Lawyers, our dog bite lawyers know how insurers try to downplay dog bite cases, delay treatment approvals, or argue the infection โwas not that serious.โ We build these claims the right way, documenting the timeline, medical evidence, and full impact on your life so you can pursue the compensation you deserve.
If you were bitten in California, reach out to West Coast Trial Lawyers for a free consultation. Call (213) 927-3700 or fill out our form to talk with an expert dog bite attorney.
Frequently Asked Questions About Dog Bite Infections
Are Dog Bite Infections Always Serious?
Not always, but they can become serious fast depending on the wound and the personโs health history. High-risk bites like hand bites are treated more cautiously in medical guidance.
Can I Still Have a Claim if the Dog Was โNormally Friendlyโ?
Often yes. Californiaโs dog bite statute does not require a prior bite history in many situations.
What if the Bite Happened on Private Property?
If you were lawfully there, strict liability may still apply.
