What should you know about tetanus shot for cat scratch?

Tetanus bacteria enter through damaged skin, so the depth and cleanliness of a scratch matter more than the animal’s name. A superficial mark that has not broken the skin does not create the same wound pathway as a bleeding or contaminated scratch. Your clinician also needs to know whether your tetanus series is complete and when the last dose was given.

Cat scratches can cause ordinary wound infection as well. Tetanus vaccination does not prevent every infection linked with an animal scratch, so the area still needs cleaning and observation.

Wash the area promptly with soap and running water, remove visible dirt gently, and apply a clean dressing if the skin is open. Avoid licking the wound or sealing a dirty, deep scratch without assessment. Contact a healthcare professional if the scratch is deep, contaminated, near the eye or a joint, or if you cannot confirm your vaccine history. Mention whether the cat is known, healthy, and available for observation, as well as any immune condition.

See [Tetanus Vaccination](/treatments/preventive-care-and-vaccination/tetanus-vaccination/) for broader information about tetanus protection.

Arrange prompt care for spreading redness, increasing tenderness, warmth, swelling, pus, fever, or tender glands near the scratch. Seek urgent help when the injury involves the eye, causes major bleeding, limits movement, or may contain a foreign material. Jaw tightness, trouble swallowing, unusual muscle stiffness, or spasms is an emergency and needs immediate assessment.

Ask whether the scratch qualifies as a tetanus-risk wound, whether your record supports current protection, and how long to watch the area. Ask about warning signs of local infection and whether you need additional care because the scratch is near the eye, hand, or a joint.