Food Poisoning & Acute Gastroenteritis — treatment in Lahore
Also known as: Gastroenteritis · Stomach Bug · Acute Diarrhea · Stomach Flu
Acute gastroenteritis or "food poisoning" is sudden inflammation of the stomach and intestines caused by infection or toxin ingestion. Most cases resolve within 48 hours with hydration alone; some need medical evaluation and treatment.
Overview
Most food poisoning is short-lived. The work in clinic is recognizing the few cases that need IV fluids, antibiotics, or further evaluation — and keeping the rest comfortable until they recover.
Signs & symptoms of Food Poisoning & Acute Gastroenteritis
If you recognize one or more of these, it may be worth a consultation:
- Sudden nausea and vomiting
- Watery or bloody diarrhea
- Cramping abdominal pain
- Low-grade fever
- Dehydration — dry mouth, dizziness, dark urine
Causes & risk factors
Several factors can contribute to Food Poisoning & Acute Gastroenteritis. Identifying yours guides the treatment plan.
- Bacterial (Salmonella, E. coli, Shigella, Campylobacter)
- Viral (norovirus, rotavirus)
- Toxin-producing bacteria (Staph aureus, Bacillus cereus)
- Parasites (less common in acute form)
- Contaminated food, water, or surfaces
How Food Poisoning & Acute Gastroenteritis is diagnosed
We order tests selectively — only what changes the plan.
- Stool studies (when severe or persistent)
- Bloodwork to assess hydration and infection
- Hydration assessment
Treatment options
Treatment for Food Poisoning & Acute Gastroenteritis is personalized — the right plan depends on your symptoms, test results, and life situation.
- 1 Aggressive oral rehydration with electrolytes (ORS)
- 2 IV fluids for moderate-to-severe dehydration
- 3 Loperamide in non-invasive diarrhea (avoid if fever or bloody stool)
- 4 Antibiotics only in selected severe or bloody cases
- 5 Antiemetics for vomiting
- 6 Probiotics may reduce duration in some patients
Can Food Poisoning & Acute Gastroenteritis be prevented?
Simple, evidence-based steps that reduce your risk.
- Eat freshly cooked food when possible
- Drink only safe water
- Wash hands before eating
- Avoid raw or undercooked meat in higher-risk settings
- Wash vegetables thoroughly
When should you see a doctor about Food Poisoning & Acute Gastroenteritis?
Reach out without delay if you notice any of the following.
- Signs of dehydration (dry mouth, dark urine, dizziness)
- Bloody diarrhea
- High fever
- Severe abdominal pain
- Symptoms lasting >48 hours
- Vulnerable patients (children, elderly, pregnancy, immunocompromised)
Frequently asked questions about Food Poisoning & Acute Gastroenteritis
Should I take antibiotics for food poisoning? +
Most cases do not need antibiotics — they resolve on their own. In fact, antibiotics can worsen certain infections (like E. coli O157). They are reserved for severe bloody diarrhea, prolonged illness, or specific identified pathogens.
How can I rehydrate at home? +
Oral Rehydration Solution (ORS) is the most effective option. Plain water, clear broths, and sport drinks are next best. Avoid sugary drinks and milk during the acute phase.
When should I go to hospital? +
Signs of significant dehydration (very dry mouth, no urine for 8+ hours, dizziness when standing), persistent vomiting, bloody stools, high fever, severe abdominal pain, or any concerning symptoms in vulnerable patients.
Related services
How we treat Food Poisoning & Acute Gastroenteritis at Javaid Poly Clinic.
Dr Usman Javaid
Gastroenterology & Medicine Diplomat · DIP (Gastro) UK · DIP (Hepatology) UK · DIP (Diabetes) UK · MCPS FM-TC · MPH · FRSPH (UK) · FRCP (Colombo) · Organ Transplant Advisor · CHPE (NUMS) · Preventive Medicine Specialist · Owner of Javaid Poly Clinic.
This page was medically reviewed by Dr Usman Javaid on . Content is updated when new evidence or guidelines emerge.
Medical disclaimer: This page is for educational purposes and does not replace medical consultation. If you have symptoms of Food Poisoning & Acute Gastroenteritis or any other condition, please book a consultation. In emergencies, call 1122 or visit your nearest emergency department.