Is excessive paw chewing a sign of anxiety in dogs?

Yes, especially when occurs during anxious periods, accompanied by other anxiety behaviors, dog seems generally anxious overall, chewing persists despite skin/allergy issues, or chewing is displacement behavior. However first rule out physical causes before assuming anxiety.

How long does it take to stop dog paw chewing?

Timeline depends on cause. Simple injuries resolve in days with treatment. Infections require 2+ weeks treatment. Allergies take weeks/months to identify triggers. Anxiety behaviors need ongoing management. Most cases show improvement within weeks when correctly diagnosed and treated.

Why does my dog only chew one paw consistently?

Single paw chewing suggests localized issue. Possible causes: injury or foreign object in that paw, localized infection, nail problem in that paw, contact allergen on one paw, habit that started with issue on that paw, or unequal weight distribution. Veterinary examination important for single-paw chewing.