2. be especially cautious in diabetic patients, paralysis, children and the elderly because these people groups. There is slow responds.
3. the compress ball should not be used. In case of inflammation in the first 24 hours, it may cause more inflammation should compress ball with cold water first.
4. after the herbal compress. Should not take a shower as soon as the medication is going to wash phrao from the skin and the body may not adjust.