Background: To identify common diseases encountered in flood affected areas. Aims and objectives: To know the morbidity pattern of different diseases in flood affected areas. Materials and methods: It is a community based cross sectional study done in 3 flood affected areas. All the patients attending the health camp were clinically examined and interviewed using a semi structured questionnaire. Data was analysed using appropriate statistical test. Results: A total of 750 patients attended the health check up camp. There were 40% cases of Acute GE, 25% cases of ARI, 12% cases of undiagnosed fever and 11% myalgia. Dermatological conditions like rashes, local allergic reactions and scabies together contributed to 9% cases. Other illness such as injuries, ENT infections and mental illness accounted to 3% cases. Conclusion: The majority of patients were suffering from Acute GE 40% and ARI 25%. Since GE and ARI is major problem faced during floods, proper health education should be given to the people regarding safe water usage and waste disposal methods .Measures to prevent overcrowding should be undertaken.