Maintenance: Based upon clinical response and tolerability, might improve dose in weekly increments, never to exceed 600 mg/dayR?i lo?n lo âu lan t?a: Pregabalin ???c ch? ??nh ?i?u tr? r?i lo?n lo âu lan t?a (Generalized Stress and anxiety Disorder - GAD) ? ng??i l?n.Pregnancy. Pregabalin may perhaps harm an unborn toddler. Explain to your health