Nose drops such as betamethasone. These are used for conditions such kakım hay fever, allergies and nasal polyps. Evidence-based professional reference pages authored by our clinical team for the use of medical professionals. Spacer devices are used with pressurised MDIs. There are various types - an example is shown opposite. https://bbs.pku.edu.cn/v2/jump-to.php?url=https://tr.wikipedia.org/wiki/Vitamin