A Child Is Brought With Drowsiness, Decreased Deep Tendon Reflexes And Seizures. On Examination The Child Has A Blue Line On Gums. There Is History Of Constipation. Which Will Be Most Appropriate Drug That Should Be Used In This Child ?

A Child Is Brought With Drowsiness, Decreased Deep Tendon Reflexes And Seizures. On Examination The Child Has A Blue Line On Gums. There Is History Of Constipation. Which Will Be Most Appropriate Drug That Should Be Used In This Child ?