I use peridex (chlorhexidine gluconate) for gingivitis & it results naseua?

Stop. Call dentist and see if there is another rinse that they would recommend. Stop the peridex (chlorhexidine gluconate).
Stop peridex (chlorhexidine gluconate) Chlorhexidine rinse should only be used for a short period of time not constantly as it has side effects see a periodontist to evaluate your gingivitis and find the proper way to treat the disease.
Then stop. Peridex (chlorhexidine gluconate) is a rinsing solution that is useful adjunct to good oral hygiene, brushing, flossing, and seeing your dentist or periodontist on a regular basis. While nausea is not a common side effect of this medication, if it is intolerable to you, then stop. Be sure you tell your dentist that you have modified your at home treatment.