Thanks forwriting to H.C.M. for your query.
I have gone through your query regarding severe pain
in throat after tonsillectomy
operation. As you said most of the drugs commonly used in post operative cases are being used but your friend does not feel any relief as far as pain is concern.
In such cases some sedation becomes essential to relief pain. So with concent of your treating doctor he may given Inj pentazocin (fortwin) along with inj phenergan
i/m sos. as anagesic along with other medication as antibiotic etc.