There are various sampling methods. The one chosen will depend on a number of factors (such as time, money etc.). 1. Random Sampling Everyone in the entire target population has an equal chance of being selected. This is similar to the national lottery.
Various types of medications have been evaluated for migraine prophylaxis, including beta blockers, antidepressants, anticonvulsants, nonsteroidal anti-inflammatory drugs (NSAIDs), angiotensin blockade agents, and calcium channel blockers.
Vestibular migraine is treated similarly to other types of migraine. For attacks of dizziness that include nausea, we use drugs such as meclizine to provide relief of symptoms. If events are incapacitating or frequent, we use medications to prevent the attacks, including: 1  Beta-blocking agents. 2  Calcium channel blockers. 3  Tricyclic antidepressants. 4  Serotonergic agents (SSRIs).