Zavzpret is given while in the nose only. Get Zavzpret as prescribed. Also check with your medical doctor if you're taking other nasal spray drugs. Many of these could connect with Zavzpret.1 Deciding on these links will get you clear of KP.org. Kaiser Permanente isn't to blame for the content https://socialbuzztoday.com/story3480613/a-review-of-ketamine-shards