Oral Amantadine Versus Gabapentin to Attenuate the Response to Laryngoscopy and Tracheal Intubation

In amantadine group:the patients will receive100 mg oral amantadine sulfate 90 minute prior to the surgery

In gabapentin group: the patients will receive oral 800 mg gabapentin 90 minute prior to the surgery

in control group : the patients will receive Placebo Oral Tablet 90 minute prior to the surgery