Sources you can follow.
Our guides link directly to the information behind the advice. Research checked October 3, 2026.
Public-health agencies support human prevention and disease guidance. Veterinary sources inform pet-care discussions. Manufacturer pages establish product claims; they are not independent product tests. A U.S. source does not establish Canadian or Mexican product approval.
Public Health Agency of Canada · Prevent tick bites
www.canada.ca
Public Health Agency of Canada · Removing a tick
www.canada.ca
Public Health Agency of Canada · Lyme symptoms and treatment
www.canada.ca
Public Health Agency of Canada · Lyme spread and risks
www.canada.ca
Health Canada · Personal insect repellents
www.canada.ca
Public Health Agency of Canada · Permethrin-treated clothing
www.canada.ca
Health Canada · Fleas and control options
www.canada.ca
CDC · Getting rid of fleas
www.cdc.gov
CDC · Flea life cycles
www.cdc.gov
Health Canada · Keep pets safe when using pesticides
www.canada.ca
Health Canada · Spot-on product label warnings
www.canada.ca
Companion Animal Parasite Council · Fleas (U.S. guidance)
capcvet.org
Companion Animal Parasite Council · Ticks (U.S. guidance)
capcvet.org
FDA · Isoxazoline safety information (U.S.)
www.fda.gov
CDC · Preventing tick bites and yard habitat
www.cdc.gov
Canadian Paediatric Society · Insect repellents
caringforkids.cps.ca
Public Health Agency of Canada · Ticks in Canada
www.canada.ca
eTick · Photo identification and public tick map
www.etick.ca
Elanco Canada · K9 Advantix II
mypetandi.elanco.com
Elanco Canada · Product information
mypetandi.elanco.com
Health Canada · Use pesticides safely
www.canada.ca
CDC · Dog and cat tapeworm infection
www.cdc.gov
Cornell Feline Health Center · Ticks and your cat
www.vet.cornell.edu
CDC · What to do after a tick bite
www.cdc.gov
U.S. EPA · Using repellents safely
www.epa.gov
CDC · Where ticks live
www.cdc.gov
CDC · Rocky Mountain spotted fever
www.cdc.gov
CDC · Rocky Mountain spotted fever in Mexico
wwwnc.cdc.gov
CDC · Alpha-gal syndrome
www.cdc.gov
Sawyer · Picaridin product range (U.S.)
www.sawyer.com
Elanco U.S. · Advantage II for cats
yourpetandyou.elanco.com
Elanco U.S. · Seresto information
yourpetandyou.elanco.com
CDC · Lyme testing and diagnosis
www.cdc.gov
CDC · Signs and symptoms of untreated Lyme disease
www.cdc.gov
CDC · Lyme prophylaxis decision aid for clinicians
www.cdc.gov
CDC · Anaplasmosis clinical signs
www.cdc.gov
CDC · Ehrlichiosis symptoms
www.cdc.gov
CDC · Babesiosis symptoms
www.cdc.gov
CDC · Powassan symptoms
www.cdc.gov
CDC · Preventing Powassan
www.cdc.gov
CDC · Alpha-gal syndrome symptoms
www.cdc.gov
U.S. EPA · Controlling fleas and ticks on pets
www.epa.gov
Cornell Feline Health Center · Flea allergy
www.vet.cornell.edu
VCA Animal Hospitals · Checking for fleas
vcahospitals.com
VCA Animal Hospitals · Flea control in dogs
vcahospitals.com
National Pesticide Information Center · Diatomaceous earth
npic.orst.edu
National Pesticide Information Center · Food-grade DE and pest control
npic.orst.edu
CDC / NIOSH · Tickborne diseases in workers
www.cdc.gov
U.S. EPA · Total release fogger precautions
www.epa.gov
FDA · Buying pet medicines: be website aware
www.fda.gov
ASPCA · Essential oils in natural flea products
www.aspca.org
Companion Animal Parasite Council · Product reference (U.S.)
capcvet.org