Medication classes associated with increased nausea:
(1) antibiotics
(2) antiparasitic agents
(3) estrogen-containing drugs such as oral contraceptives
(4) digoxin
(5) levodopa
(6) narcotic analgesics
(7) nonsteroidal anti-inflammatory drugs (NSAIDs)
(8) antidepressants
(9) aminophylline
(10) bisphosphonates (alendronate, ibandronate, risedronate)
Options for the patient:
(1) Discontinuing the medication while at risk for motion sickness (often not an option).
(2) Delaying motion exposure until no longer taking the medication.
(3) Lowering the dose of an implicated drug as much as possible.
(4) Switching to another medication with less risk of nausea.
(5) Taking a medication to counter the motion sickness (selecting one that does not interact with other drugs being taken)
(6) Traveling by another means with less motion.