is hormonal contraceptive
vaginal ring contains both progestin and estrogen , vaginitis
can be seen only in few cases , but the head aches , sinusitis
it has nothing to do with it . Sinusitis is not related with nuvring usage . Some patients may feel bloated abdomen , weight gain due to progestin component, apart from this , no serious side effects are reported with nuv ring usage.
You consult ENT doctor and take advice.
Take care bye