Kathy, tremors are one of the side-effects of Tramadol---so you may, as Maggie suggested, take him off & see if they stop. Don't stop the Clavamox---it is normally well tolerated.
Sending Pipper puppy kisses.
Qui me amat, amet et canem meum. (Who loves me will love my dog also.), - St. Bernard
"Life without a maltese is like summer without ice-cream." - St. Edelweiss
"Wag more Bark less"