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Dog Bite Infections and Emergency Care

April 01, 2026


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Dog Bite Infection Risks

When it comes to dog bites, most people think that once the bleeding stops, they’re in the clear. They clean the wound, put on a bandage, and move on. But the real problems often show up 48 or 72 hours later when infection sets in and suddenly you’re dealing with something far more serious.

Why Dog Bites Carry Serious Infection Risks

A dog’s mouth is full of bacteria. Dozens of different species can enter your body through even a tiny puncture wound. And unlike a clean kitchen knife cut, dog bites crush and tear tissue underneath the skin, creating pockets where bacteria hide and multiply.

According to the American Veterinary Medical Association, roughly 4.5 million dog bites happen every year in the United States. A significant number require medical attention specifically because of infection risk.

Puncture wounds worry doctors the most. They look small on the surface. But underneath, bacteria gets driven deep into muscle, tendons, or bone. The wound closes fast on top, and trapped bacteria has time to spread before you notice anything’s wrong.

If you’ve been bitten by a dog, getting medical evaluation quickly protects both your health and your legal options. A Washington, D.C. dog bite lawyer can explain how medical records affect any potential claim.

Common Bacterial Infections from Dog Bites

You won’t know which bacteria entered your wound just by looking at it. Several dangerous types commonly show up:

  • Pasteurella works fast, causing redness, swelling, and discharge often within 24 hours
  • Capnocytophaga poses serious risks for anyone with a weakened immune system
  • Staphylococcus and Streptococcus cause skin infections that spread into surrounding tissue
  • Rabies virus remains a concern when the dog’s vaccination status isn’t confirmed

Different infections need different treatments. Professional medical assessment matters.

Warning Signs That Require Immediate Attention

Infections don’t always start dramatically. Watch for redness spreading past the wound edges. Pain that gets worse after two or three days is another warning sign. Fever, chills, foul-smelling drainage, red streaks running from the wound, worsening swelling, or numbness near the bite all mean you need to see a doctor right away.

People sometimes wait because they feel silly going to the emergency room for a small bite. Don’t fall into that trap. Dog bite infections can go from mild to life-threatening in 24 to 48 hours. Bites on hands, feet, or the face carry even higher risks.

Tetanus and Rabies Considerations

Bacterial infection isn’t your only concern. There’s also tetanus and rabies to consider.

Doctors recommend a tetanus booster if it’s been more than five years since your last one and the wound is deep or dirty. Most people can’t remember when they got their last shot, so your doctor will likely give you one just to be safe.

Rabies is rare in domestic dogs in the United States. But it’s fatal once symptoms appear. If the dog was acting strangely, was a stray, or if nobody can verify its vaccination records, you may need post-exposure treatment. This treatment works extremely well when started promptly.

Protecting Your Health and Your Legal Rights

Medical records do double duty after a dog bite. They document what treatment you needed and create a paper trail connecting the attack to your injuries. Insurance companies look hard at gaps in care. Their attorneys will argue that if you didn’t see a doctor right away, your injuries must not have been serious.

Cohen & Cohen has worked with dog bite victims across the Washington, D.C. area who developed serious complications from infections. We’ve seen how these injuries affect people physically, emotionally, and financially.

A lawyer can help you pursue compensation for emergency room bills, antibiotics, follow-up care, and lasting effects from infection. If you’ve suffered a dog bite that required medical treatment, reach out to our firm to discuss your situation.

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