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Watery stools in an 30 year old female after having noodles last night now complains of watery stools with stomach ache and nausea what medication should i prescribe

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acute diarrhea AND treatment

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CDC acute diarrhea adults oral rehydration loperamide when to seek care

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https://stacks.cdc.gov/view/cdc/25142/cdc_25142_DS1.pdf

This is most consistent with an acute, self-limited foodborne gastroenteritis, but first exclude red flags and pregnancy. If she has no fever, no blood/mucus in stool, no severe/localized abdominal pain, is able to drink, and is not pregnant or immunocompromised, treat primarily with rehydration.
Suggested symptomatic regimen for an otherwise healthy adult
  • ORS: 200-250 mL after each loose stool, taken in frequent small sips. Use a commercial oral rehydration solution rather than plain water alone.
  • Loperamide: 4 mg orally once, then 2 mg after each loose stool, maximum 16 mg in 24 hours, for up to 48 hours. Do not give if fever, blood/mucus in stool, suspected invasive diarrhea, marked abdominal distension, recent antibiotics or possible C. difficile.
  • For nausea preventing fluids: ondansetron 4 mg orally or ODT every 8-12 hours as needed, short term. Avoid or use clinical caution with known prolonged QT, significant arrhythmia, interacting QT-prolonging drugs, or significant electrolyte disturbance.
  • For cramps/pain: paracetamol/acetaminophen if needed. Avoid NSAIDs if dehydrated or vomiting.
Do not routinely prescribe an antibiotic at this stage. Most acute watery diarrheas resolve with fluids and symptomatic treatment; antibiotics are considered only after assessment for severe illness, dysentery, significant fever, travel-related severe disease, or suspected specific bacterial infection. Textbook guidance similarly identifies rehydration as first-line and permits loperamide only for non-bloody diarrhea without concern for C. difficile. Symptom to Diagnosis: An Evidence-Based Guide, p. 250. The CDC advice on adult diarrhea also prioritizes ORS in small frequent volumes.
Review urgently today or send to emergency care if any of these are present:
  • Fever >39 C, blood in stool, black stool, or persistent vomiting
  • Severe, worsening, localized, or rebound abdominal pain
  • Dizziness/syncope, reduced urine, marked thirst, dry mouth, confusion, or inability to retain fluids
  • Very frequent/high-volume stool output
  • Symptoms lasting beyond 48-72 hours
  • Recent antibiotics, significant comorbidity, immunosuppression, or pregnancy possibility
If pregnancy is possible, obtain a pregnancy test and assess the abdominal pain before choosing medication.
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