Suggest Treatment For Weight Gain While On Thyroid Medication

hello sir... my mother age 48 is having high bp normally. she is continuously taking medicines for last 5 years. she was also having some menstrual problems prior to menopause. recent doctor has given her following medicines. 1)tazloc 80, 2) rabonik plus 3)starpress-xl 50, 4)rejoice . she is continuously becoming fat. her weight increased from 51 to 58 kg in 2 months due to these medicines. her height is 4ft 10 inch. she is taking regularly thyroid medicine. can you suggest us what to do? her BP is around 140/80. please help