Don't restrain a seizing cat. Move dangerous objects away. Time the episode. Seek immediate vet treatment after.
Seizures
If choking on an object, clear airway if you can do it safely. Perform cat Heimlich if needed. Go to vet.
Choking
For swelling, hives or vomiting, give Benadryl if advised by your vet while en route to clinic.
Allergic Reactions
Contact poison control and vet right away. Bring packaging of ingested product to vet. Induce vomiting only if advised.
Poison Ingestion
Use pressure on wounds with clean cloth to stop bleeding. Bandage if possible before vet visit.
Bleeding Injuries
Muzzle cat if agitated. Restrict movement of head and neck. Seek vet immediately.
Hit by Car
Muzzle if aggressive. Look for limping or abnormal activity. Seek vet assessment for fractures.
Falls from Height