A dog bite can happen in an instant — even with a dog you know. If you or someone you love has been bitten, knowing when to seek urgent care for a dog bite can prevent serious infection and complications. At CityHealth in San Leandro, we treat dog bites and animal wounds the same day, with no appointment needed.
This guide covers everything you need to know: how to clean the wound, what infections to watch for, when you need a tetanus shot or antibiotics, and when to go to the emergency room instead.
Urgent Care for Dog Bites: When to Go
Most dog bites that break the skin should be evaluated by a medical provider. Even small puncture wounds can drive bacteria deep into tissue, where infection can take hold quickly. Go to urgent care if:
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- The skin is broken, even slightly
- You cannot stop the bleeding after 10–15 minutes of pressure
- The bite is on your arm, leg, or torso
- You are not sure of the dog’s vaccination status
- You haven’t had a tetanus shot in the last 5 years
- The area becomes red, swollen, or warm in the hours after the bite
Go to the ER for Dog Bites If:
- Bleeding won’t stop after 15–20 minutes of firm pressure
- Deep puncture wounds — especially if you can see muscle, fat, or bone
- Bites on the hand or fingers — tendons, nerves, and joints are at high risk
- Bites on the face, head, or neck — risk of scarring and nerve damage
- Signs of severe infection — spreading redness, red streaks, fever, pus
- Loss of feeling or movement in the bitten area
- Bites in immunocompromised patients — including those on chemotherapy, diabetics, or people with HIV
Dog Bite? Get Treated Today
CityHealth San Leandro treats dog bites and animal wounds same-day. Walk in or book online — no appointment needed.
Book Your VisitHow to Clean a Dog Bite at Home
First aid matters before you get to the clinic. Proper wound care reduces infection risk significantly. Here’s what to do immediately after a dog bite:
- Control bleeding. Apply firm, direct pressure with a clean cloth. If the bleeding is heavy or doesn’t slow after 10–15 minutes, go to the ER.
- Wash the wound thoroughly. Use soap and water. Scrub gently for at least 5 minutes. This is one of the most effective steps you can take to prevent infection.
- Rinse with clean water. Flush the wound with running water to wash out bacteria and debris.
- Apply antiseptic. Use povidone-iodine or hydrogen peroxide if available.
- Cover the wound. Use a clean bandage or sterile gauze.
- Seek medical care. Even after home first aid, dog bites that break the skin need professional evaluation.
Dog Bite Infection Risks: What Bacteria Are Involved?
Dog mouths carry a wide range of bacteria. Two in particular are responsible for the most serious dog bite infections:
Pasteurella
Pasteurella is found in the mouths of up to 75% of healthy dogs. It is the most common cause of infection following a dog bite. Symptoms of Pasteurella infection typically appear within 24 hours and include:
- Redness and swelling around the wound
- Pain and tenderness
- Pus or discharge
- Warmth at the bite site
Pasteurella infections respond well to antibiotics, especially amoxicillin-clavulanate (Augmentin). Early treatment prevents the infection from spreading.
Capnocytophaga
Capnocytophaga canimorsus is another bacterium commonly found in dog saliva. For most healthy people, it poses little risk. However, for people with weakened immune systems, no spleen, or heavy alcohol use, a Capnocytophaga infection can be life-threatening, causing sepsis, meningitis, or even gangrene.
The CDC notes that Capnocytophaga infections are rare in healthy people but can be severe in high-risk individuals. If you are immunocompromised and have been bitten by a dog, seek care immediately.
Other Infection Risks
Dog bites may also introduce:
- Staphylococcus — a common skin bacteria that can cause wound infections
- Streptococcus — can spread rapidly through soft tissue
- MRSA — methicillin-resistant staph, harder to treat with standard antibiotics
Do Dog Bites Always Need Antibiotics?
Not always — but many do. Your provider will assess the wound and decide based on several factors:
- Location of the bite: Hands, feet, face, and joints carry higher infection risk and more often require antibiotics
- Depth of the wound: Deeper punctures are harder to clean and more prone to infection
- Your immune status: Diabetics, people on immunosuppressants, and those without a spleen are at higher risk
- Time since the bite: Wounds treated more than 8–12 hours after the bite are more likely to be infected already
If antibiotics are needed, amoxicillin-clavulanate (Augmentin) is the most common choice for dog bite infections. For those allergic to penicillin, alternatives like doxycycline or metronidazole plus a fluoroquinolone may be used.
Rabies Risk After a Dog Bite
Rabies from a domestic dog bite in the United States is rare but not impossible. The CDC reports that while most rabies cases in the U.S. come from wild animals like bats and raccoons, dog bites in some parts of the world (and from unvaccinated dogs) still carry risk.
At urgent care, your provider will ask about the dog’s vaccination status and behavior. Key factors in assessing rabies risk:
- Was the dog vaccinated for rabies? If yes and records are available, risk is very low
- Was it a stray or wild dog? Higher concern
- Did the dog appear sick? Aggressive behavior, excessive drooling, or stumbling can be signs of rabies
- Was the bite provoked? Unprovoked bites increase concern
If rabies exposure is a concern, your provider will initiate or refer for post-exposure prophylaxis (PEP) — a series of vaccines that prevent rabies from developing. PEP is very effective when started promptly.
Do You Need a Tetanus Shot After a Dog Bite?
Yes, possibly. Tetanus boosters are recommended if:
- You haven’t had a tetanus shot in the last 5 years (for puncture wounds)
- You aren’t sure of your last tetanus vaccination date
- The wound is deep or dirty
CityHealth San Leandro can administer a tetanus booster during your visit if needed.
What to Bring to Urgent Care for a Dog Bite
Bringing the right information helps your provider make the best decisions about your treatment:
- Dog owner’s contact information — name, phone number, address
- Dog’s vaccination records — especially rabies vaccination status and date
- Your own vaccination history — when was your last tetanus shot?
- Insurance card and photo ID
- List of current medications — especially blood thinners or immunosuppressants
If the bite was from a stray or unknown dog, note any details you can remember about the animal’s appearance and behavior to share with your provider and local animal control.
Dog Bite? Get Seen Within Hours
Dog bites require medical evaluation within 24 hours — wound care, tetanus assessment, and antibiotics if needed. CityHealth San Leandro, walk-ins welcome.
Signs of Dog Bite Infection to Watch For
Even after treatment, watch the wound closely for the first few days. See a doctor again right away if you notice:
- Increasing redness, warmth, or swelling — especially if it’s spreading beyond the bite
- Red streaks radiating from the wound (a sign of spreading infection)
- Pus or foul-smelling discharge
- Fever or chills
- Swollen lymph nodes near the bite
- Increased pain after the first 24 hours
These symptoms can indicate a serious infection that needs immediate attention.
What Happens at Urgent Care for a Dog Bite?
When you come to CityHealth San Leandro for a dog bite, here’s what to expect:
- Triage and check-in — We’ll assess the severity of the bite and get you seen quickly
- Wound irrigation — The wound will be flushed thoroughly with saline to remove bacteria
- Wound evaluation — Your provider will assess depth, check for tendon or nerve involvement, and determine whether sutures are needed
- Suturing or wound closure — Some bites are closed; others are left open to drain (this reduces infection risk in certain wound types)
- Antibiotic prescription — If indicated based on bite location and risk factors
- Tetanus booster — Administered if your vaccination is not current
- Rabies risk assessment — And referral for PEP if needed
- Wound care instructions — How to clean and bandage the wound at home
Bitten by a Dog? Come to CityHealth San Leandro
We treat dog bites same-day with walk-in availability. Our team will clean the wound, assess infection risk, and get you the antibiotics or tetanus booster you need.
Book Your Appointment NowNeed care today?
CityHealth urgent care in San Leandro offers same-day walk-in care — no appointment required. Book online or walk in.

