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​Symptoms and Signs – Differential Diagnosis of Nausea and Vomiting
• Abdominal trauma
• Anxiety, fear
• Carcinoma of GI tract
• CNS neoplasms
• Eye disorders
• Head trauma
• Infections (viral, bacterial)
• Intestinal obstruction
• Medications (e.g., NSAIDs, erythromycin, morphine, codeine, aminophylline, chemotherapeutic agents)
• Metabolic (e.g., uremia, electrolyte abnormalities, diabetic ketoacidosis [DKA], acidosis)
• Migraine headache
• Peptic ulcer disease (PUD)
• Pregnancy
• Psychiatric disorders (bulimia, anorexia nervosa)
• Radiation sickness
• Reye’s syndrome
• Severe pain
• Vestibular or middle ear disease
• Withdrawal from substance abuse (drugs, alcohol)
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