Persistent Nausea: Causes, Relief Strategies & When to See a Doctor

Nausea is a common symptom with diverse triggers. Identifying the cause guides effective management.

Common Causes

Gastrointestinal: Acid reflux (GERD), gastritis, gastroenteritis, food poisoning, peptic ulcers, gallbladder disease.
Dietary: Spicy/fatty foods, caffeine, alcohol, food intolerances, overeating.
Psychological: Stress, anxiety, motion sickness.
Hormonal: Pregnancy (morning sickness), PMS, menopause, thyroid disorders.
Medications: Chemotherapy, antibiotics, NSAIDs, opioids, iron supplements.
Systemic Conditions: Migraines, kidney/liver disease, diabetes, inner ear disorders (vertigo).

Dietary adjustments: Eat small, frequent meals; avoid triggers; choose bland foods (BRAT diet: bananas, rice, applesauce, toast).
Hydration: Sip clear fluids—water, ginger ale, herbal teas, electrolyte solutions.
Ginger: Tea, chews, capsules (500–1,000 mg/day) have evidence-backed anti-nausea effects.
Relaxation: Deep breathing, meditation, acupressure (P6/Neiguan point).
OTC options: Antacids (for reflux), bismuth subsalicylate, meclizine (motion sickness), dimenhydrinate.

Nausea lasts >48 hours (adults) or >24 hours (children).
Accompanied by severe abdominal pain, high fever (>101°F/38.3°C), vomiting blood, signs of dehydration, unexplained weight loss, or neurological symptoms (headache, stiff neck, confusion).
Pregnancy with inability to keep fluids down (risk of hyperemesis gravidarum).

Self-diagnosis risks missing serious conditions. Medical evaluation ensures targeted treatment.