nostr:npub1ht0rq2ej339cv0nz4m260llgdq8mz05fwpz4zjc8s7lmtduzq8hq60dyc3 Unlikely. Pyrethrins are low toxicity to humans, and those symptoms sound more like the 'flu (or COVID).

http://npic.orst.edu/factsheets/pyrethrins.html#:~:text=In%20general%2C%20pyrethrins%20are%20low,skin%2C%20it%20can%20be%20irritating.