I used it as an anti malarial.
Doxycycline is an antibiotic. It's used for antibiotic-y type things. It's a tetracycline-type antibiotic, as you could probably have guessed from the name. It's got a systematic IUPAC name, but it's...
No; doxycycline is used to treat chlamydia.
They are used to treat certain infections.
yes
no it is an antibiotic mostly used for moderate or heavy acne