You need go to an Accident and Emergency centre where your normal specialist is based or your local hospital where a GI will come and see you immediately they realise you have UC. You never know, a new person may even be a breath of fresh air.
Medical Issue: Rectal Bleeding
Current Diagnosis: Colitis and 2x 1st Degree Internal Hemmeroids
Medication Prescribed: 800mg Mesalazine (Asacol) x 3 per day