Pip Appeal

Hi, well on 20/8/2019 I had my pip appeal I was so shocked they turned me down I have Asthma and COPD and arthritis in my knees I am under the chest clinic and have physiology on my Legs been in Hospital February for 8 days with breathing troubles I just don’t know now what else I can do to get my pip back to the rate I was getting from the start .
Does any one else have any idea what I can do I was Thinking if replying for pip again from start.