Comparison of Lidocaine Lozenges and Lidocaine Spray for Throat Numbing During Upper Gastrointestinal Endoscopy

INTERVENTION: Intervention1: Lidocaine spray : 10 % 10 sprays topical/oropharyngeal route Control Intervention1: Lidocaine lozenge: One lozenge ‐200 mg oral CONDITION: Health Condition 1: K20‐K31‐ Diseases of esophagus, stomach and duodenum Health Condition 2: K20‐K31‐ Diseases of esophagus, stomach and duodenum PRIMARY OUTCOME: Haemodynamic parameters, heart rate BP, SPO2Timepoint: Before giving the drug ; After giving the drug ; During the surgery at intervals of 10 minutes, 20 minutes and 30 minutes ; After the surgery at intervals of 10 minutes, 20 minutes and 30 minutes SECONDARY OUTCOME: Total dose of IV anaesthetic drugs used ; Adverse events ; Cough and Gag scoreTimepoint: During the procedure INCLUSION CRITERIA: Patients of ASA grade 1 and 2 Patients scheduled for upper gastrointestinal endoscopy