Medical Exemption Certificates are issued on application to people who have:
A permanent fistula (for example caecostomy, colostomy, laryngostomy or ileostomy) requiring continuous surgical dressing or requiring an appliance
A form of hypoadrenalism (for example Addison's disease) for which specific substitution therapy is essential
Diabetes insipidus or other forms of hypopituitarism
Diabetes mellitus, except where treatment is by diet alone
Hypoparathyroidism
Myasthenia gravis
Myxoedema (that is, hypothyroidism requiring thyroid hormone replacement)
Epilepsy requiring continuous anticonvulsive therapy
A continuing physical disability which means the person cannot go out without the help of another person. Temporary disabilities do not count even if they last for several months
Or are undergoing treatment for cancer:
including the effects of cancer; or
the effects of current or previous cancer treatment
