Hypnosis is a completely natural state of mind - for most patients/clients, it is extremely beneficial and relaxing. However, there are some possible contraindications, and patients who fall into these categories should not be referred or recommended for hypnotherapy.
Contraindications:
Epilepsy - completely contraindicated
Serious/current heart condition - contraindicated, care needed
Blood pressure (extremely high or low) - contraindicated - much care needed
Depression - contraindicated. Clients with depression would benefit more from counselling
Elderly or frail - contraindicated - much care needed
Persistent alcohol or drug abuse - completely contraindicated
Psychosis - completely contraindicated
Pregnancy - first trimester at least, 2nd trimester on GP's authority, 3rd trimester fine but still with GP's authority
Medication - dependant on medication involved, but those that cause drowsiness, have an hypnotic effect, alter the state of mind, are likely to be contraindicated