All the symptoms that
your daughter is
having are clearly a sign of doxycycline
not related to amoxicillin and sulfa drugs as it belongs to a different category of drugs(tetracyclines).Side effects of doxycycline
are headache, dizziness, blurred vis
ion, body aches, flu symptoms,skin rashes,chest tightness,respiratory difficulty,nausea,vomiting etc.