IRCT20170122032101N2 IRCT 2018-01-16 Shahre-kord University of Medical Sciences Comparing the effect of Melissa officinalis tea versus Matricaria Chamomilla tea on pain intensity, anxiety, and satisfaction with pain management Comparing the effect of Melissa officinalis tea versus Matricaria Chamomilla tea on pain intensity, anxiety, and satisfaction with pain management in patients undergoing lower limb orthopedic surgury 2018-01-05 anticipated 96 Complete https://irct.ir/trial/28464 interventional Randomization: Randomized, Blinding: Not blinded, Placebo: Not used, Assignment: Parallel, Purpose: Treatment, Randomization description: the sample for this study is 96 patients which will allocate to three groups (chamomile, melissa officinalis, control) with blocking randomization method. for randomization, 32 block with capacity of 3 patients will be made. blocking will be based on demographic data (age group, sex, addiction). each patient is first allocated to a block based on his or her demographic data, then, based on drawing a letter, the patients allocates to one of the study groups. allocation of second and third patinet of each block to study groups, will be based on previos patints on that block. N/A lower limb orthopaedic surgery. Intervention 1: Intervention group: melissa officinalis group: for this group, melissa officinalis tea bag produced by golnoosh darband company will prescribe. each tea bag contains 1g melissa officinalis. melissa officinalis tea will prescribe three times per day in 6AM, 2PM AND 10PM. each time, 1 tea bag containing melissa officinalis will put in 150 cc of boiling wate and then consumed by the patient. Intervention 2: Intervention group: matricaria chamomilla group: for this group, matricaria chamomilla tea bag produced by golnoosh darband company will prescribe. each tea bag contains 1g matricaria chamomilla. since time of intervetions mus be eaual in all three groups, therefore, matricaria chamomilla tea will prescribe 3 times a day in similar times with melissa officinals group. Intervention 3: Control group: or this group, black tea will prescribe at above mentioned times. No - There is not a plan to make this available Justification or reason for not sharing IPD is there are no more information.