Investigating the effect of migrafar (Tanacetum parthenium) on migraine pain in children are treating with amitriptyline

INTERVENTION: Intervention 1: Intervention group: The group receiving the standard drug Amirtriptyline along with Migrafar capsules (prepared and provided by Nutek Far Pharmaceutical Company), which receives one or two capsules daily based on age. Intervention 2: Control group: the group receiving the standard drug Amirtriptyline along with Migrofar placebo capsule (which is prepared and provided by Nutekfar pharmaceutical company), which receives one or two capsules daily based on age. CONDITION: Headache, migraine. ; Migraine PRIMARY OUTCOME: The intensity of the headache will be measured by Visual Scale Questionnaire (VAS). Timepoint: At the beginning and three months after taking the medicine, we check the result. Method of measurement: Visual Analogue Scale. SECONDARY OUTCOME: Location of headache. Timepoint: At the beginning of the research and three months after receiving the drug. Method of measurement: Unilateral or bilateral. Number of headaches. Timepoint: At the beginning of the research and three months after receiving the drug. Method of measurement: Number of daily headaches. Type of headache. Timepoint: At the beginning of the research and three months after receiving the drug. Method of measurement: To be pulsatile or non‐pulsatile. INCLUSION CRITERIA: Definitive diagnosis of primary headache Mild to moderate headache intensity Age range from 6 to 18 years Absence of secondary cause for headache Not taking any other medicine for headache