intranasal
/ˌɪn.trəˈneɪ.zəl/
adjective
- Relating to or involving the inside of the nose, especially in medical treatment or drug delivery.
- She used an intranasal decongestant to relieve her stuffy nose.
- The doctor prescribed an intranasal spray for my allergies.
- Intranasal vaccines are often easier to administer than injections.