What is Lecaent Pregablin 450mg? Lecaent belongs to a group of medicines used to treat neuropathic pain, epilepsy and Generalised Anxiety Disorder (GAD) in adults. Peripheral and central neuropathic pain: Lecaent is used to treat long lasting pain caused by damage to the nerves. A variety of diseases can cause peripheral neuropathic pain, such as diabetes or shingles. Pain sensations may be described as hot, burning, throbbing, shooting, stabbing, sharp, cramping, aching, tingling, numbness, pins and needles. Peripheral and central neuropathic pain may also be associated with mood changes, sleep disturbance, fatigue (tiredness), and can have an impact on physical and social functioning and overall quality of life. Read more below