My vertigo is becoming more severe and its duration is increasing, what should I do?

See a doctor. There are 4 common conditions that can cause worsening vertigo. Alcohol poisoning benign positional vertigo cerumen impaction motion sickness.
Vertigo. Have you had a full neurological work-up, including MRI of the brain? It could be caused by a side effect of medicines. There are medications for chronic vertigo not caused by other issues. Please discuss this with your physician.