What should I do if a mouse bites my finger? - briefly
Clean the bite thoroughly with soap and water, apply an antiseptic, and cover it with a sterile bandage; then consult a healthcare professional promptly to evaluate infection risk and determine whether tetanus or rabies prophylaxis is needed.
What should I do if a mouse bites my finger? - in detail
If a mouse bites your finger, begin by applying direct pressure with a clean cloth or gauze to stop any bleeding. Hold the pressure for several minutes until the flow subsides.
Next, rinse the wound under running water for at least one minute. Use mild soap around the area, but avoid scrubbing the bite itself, which can damage tissue.
After cleaning, disinfect with an antiseptic solution such as povidone‑iodine or a 70 % alcohol swab. Allow the antiseptic to air‑dry before covering the injury.
Cover the bite with a sterile non‑adhesive dressing. Secure it with medical tape, ensuring the dressing stays dry and intact. Change the dressing daily or whenever it becomes wet or contaminated.
Evaluate the need for professional medical care. Seek immediate attention if any of the following occur:
- Persistent or heavy bleeding despite pressure
- Deep puncture wounds, especially if the mouse’s teeth penetrated beyond the skin surface
- Signs of infection: redness spreading from the site, swelling, warmth, pus, or increasing pain
- Fever, chills, or malaise developing within 24–48 hours
- Uncertain tetanus immunization status or last booster administered more than ten years ago
- Exposure to a wild or unknown mouse, raising concerns about rabies or other zoonoses
A healthcare provider may prescribe antibiotics to prevent bacterial infection, typically targeting Staphylococcus aureus and Streptococcus species. They may also administer a tetanus booster if indicated. In rare cases, post‑exposure rabies prophylaxis is recommended for bites from wild rodents.
Observe the wound for at least a week. If redness expands, drainage increases, or systemic symptoms appear, return to a medical professional promptly.
Prevent future incidents by securing food sources, sealing entry points, and using humane traps or professional pest control. Wear gloves when handling materials in areas where rodents are active, and keep hands clean to reduce attraction.