Important links: International websites and Facebook groups about serious side effects of ticks and fleas / dewormer treatments etc.
Websites about Bravecto, a controversial tick and fleas drug (with information about the side effects etc.):
(click on the links to visit the websites)
* Facebook groups about various controversial tick and flea drugs. Many groups carry the name "Bravecto" but they publish about many different dangerous pet drugs:
More links and info will follow as soon as possible.