How PREgabA NT Tablet works PREgabA NT 50/10 Tablet is a combination of two medicines: Pregabalin and Nortriptyline . Pregabalin is an alpha-2 delta ligand that decreases pain by modulating the calcium channel activity of the nerve cells. Pregalin NT Tablet is a combination of Pregabalin and Nortriptyline . It is used in the treatment of pain caused due to damaged nerves. It relieves pain by decreasing certain chemical substances that send pain signals throughout your body. Pregabalin + Nortriptyline is a combination medicine. It is used to treat neuropa thic pain (a sensation of numbness, tingling and also feels like pins and needles). Pregabalin + Nortriptyline is available in the form of a tablet . Inform your doctor if you are pregnant, planning a pregnancy or are breastfeeding and about all the medicines and supplements you take and all the conditions or diseases you suffer from, before starting this medicine. PREgabA NT 75mg/10mg Tablet is a combination of two medicines: Pregabalin and Nortriptyline . Pregabalin is an alpha-2 delta ligand that decreases pain by modulating the calcium channel activity of the nerve cells. Nortriptyline is a tricyclic antidepressant that increases the levels of chemical messengers (serotonin and noradrenaline) that stop the movement of pain signals in the brain. Together, they relieve neuropathic pain (pain from damaged nerves).