How Long Can A Dog Take Theophyline?

How Long Can A Dog Take Theophyline? This medication should take effect within 1 to 2 days, and you should see improvements in your pet’s clinical signs. How often can I give my dog theophylline? Theophylline is available by prescription in 100 mg, 200 mg, 300 mg, and 400 mg, Extended Release (ER), tablets. The