Sudafed is not officially recommended in pregnancy ... "If you have sinusitis then see your doctor who may decide to treat it with a steroid nasal spray instead if this is appropriate," adds Dr Kaye.

Dr Xand’s warning comes after a TikTok user named Curtis Arnold-Hammer shared his experience of becoming "addicted" to Sudafed, a popular over-the-counter nasal spray that contains pseudoephredine.