What Causes Nausea or Vomiting? Nausea and vomiting are not diseases, but they are symptoms of many conditions such as: Motion sickness or seasickness; Early stages of pregnancy (nausea occurs in approximately 50%-90% of all pregnancies; vomiting in 25%-55%) Medication-induced vomiting; Intense pain; Emotional stress (such as fear) Gallbladder disease
Souring definition, having an acid taste, resembling that of vinegar, lemon juice, etc.; tart. See more.
sour. adj. 1. having or denoting a sharp biting taste like that of lemon juice or vinegar. Compare bitter 1. 2. (Brewing) made acid or bad, as in the case of milk or alcohol, by the action of microorganisms.