Webjul 27, 2017 · smell. Webmay 16, 2023 · a stroke may seem to come on suddenly but, in some situations, there may be warning signs before a stroke happens, such as a severe headache or a tia. This is not true 1.

Instead, it's typically a phantom smell, known as phantosmia, caused by various medical conditions, such as sinus infections. Weblike many effects of stroke, taste and smell changes can recover in the first few weeks and months after a stroke. Websmelling burnt toast isn't a definitive sign of a stroke.