Comparative Efficacy of IV Parecoxib vs Lidocaine in Reducing Propofol Injection Pain

Inclusion Criteria: * Adult patients, ≥18 years * ASA grading I-II * Patients undergoing elective surgical procedures across all surgical specialties. * Can speak Arabic or English Exclusion Criteria: * Difficulty in communicating. * Liver Cirrhosis patients * Renal failure or creatinine clearance (CrCl) ≤ 10umol/L, * Known Lidocaine, parecoxib and/or propofol allergy. * patients who are not using propofol for an induction. * Any known contraindication to propofol, parecoxib or lidocaine. (this will include renal failure or cirrhosis of the liver as noted above) * Patients refusing to be involved in the study. * ASA(American society of anaesthesia) grading 3-6. * Any patient that IV access cannot be established in the dorsum of the hand. * Pregnant women. * Patients with chronic pain disorders. * Patients who received any form of analgesia within the last hour.