Amitriptyline tablets are indicated for:

• the treatment of major depressive disorder in adults

• the treatment of neuropathic pain in adults

• the prophylactic treatment of chronic tension type headache (CTTH) in adults

• the prophylactic treatment of migraine in adults

• the treatment of nocturnal enuresis in children aged 6 years and above when organic pathology, including spina bifida and related disorders, have been excluded and no response has been achieved to all other non-drug and drug treatments, including antispasmodics and vasopressin-related products. This medicinal product should only be prescribed by a healthcare professional with expertise in the management of persistent enuresis.

Reference: https://www.medicines.org.uk/emc/product/10851