Dramamine

"Yes. Doctor McKay uses them frequently, along with antihistamines, antacids, motion sickness pills ..."

- Teyla Emmagan

Motion sickness pills are drugs used to treat Motion sickness, a condition in which a disagreement exists between visually perceived movement and the vestibular system's sense of movement. Dr. Rodney McKay is known to take them, although it is hinted that they are unnessecary.