[header] How to get rid of nausea fast [title] Sit still in a quiet space. [step] Nausea can be triggered or worsened by moving around. Try resting while sitting in a quiet space or room on a bed or a mat. 
If you still feel nauseous, gently ease yourself down to a lying position but prop your head up with anything but most preferably with a pillow (it is easier to get to sleep and much more comfortable). [substeps] If you can relax well enough, a quick nap can also get rid of your nausea.