Before Hijama you care giver must have your medical history. People who are on blood thinners are not recommended to undergo this treatment. People whose HB is below 9 are not suitable candidates. We don't recommend and encourage them to have this treatment. If you are anemic dates, raisins, Spanish, beet root and liver are main source of iron. Females undergoing cycle can wait till their cycle ends. Keep it in mind that Its a Sunnah and angels emphasizes Prophet Muhammad PBUH to tell His people about this treatment. Remember its a complimentary treatment and cant overlap and meds that you are taking. Its more effective for people that have strong faith and intentions about reviving Sunnah.