Why the Body Shakes During Anxiety. Shaking is a result of an activated fight or flight system - an evolutionary tool that's meant to keep you safe in times of danger. During intense anxiety, your body is flooded with adrenaline/epinephrine. Adrenaline is pure energy, and your body shakes as a result.
Your doctor may start you on a low dose of oxybutynin and gradually increase your dose. You may notice some improvement in your symptoms within the first two weeks of treatment. However, it may take six to eight weeks to experience the full benefit of oxybutynin. Talk to your doctor if your symptoms do not improve at all within eight weeks.
OxyContin is available in the U.S. in dosages of 10 mg, 15 mg, 20 mg, 30 mg, 40 mg, 60 mg and 80 mg. Because of its sustained-release formula, it is usually effective for 8-12 hours. Oxycodone is a Schedule II controlled substance. It is used in the treatment of moderate to severe pain and is available in both extended release ad immediate release tablets. Oxycodone is used for the continuous treatment of pain and for those whose doctors have found them to be opiate tolerant.