Nose drops such kakım betamethasone. These are used for conditions such bey hay fever, allergies and nasal polyps. Each dose is released by pressing the ferde of the inhaler. This type of inhaler is quick to use, small and convenient to carry. It needs good co-ordination to press the canister https://www.ird.gov.lk/en/Lists/QuickFeedback/DispForm.aspx?ID=262372