Ear pressure is the sensation of fullness or stuffiness within the ear. Ways of relieving it include chewing gum, using ear drops, and treating any underlying conditions, such as sinus congestion.

We have synthesized a new prodrug obtained by the 5′-ester conjugation of zidovudine (AZT), an antiviral agent substrate of active efflux transport systems (AET), with ursodeoxycholic acid (UDCA), a ...