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It is better to avoid all of these medicines.
Simply take Calcium and Vitamin D along with Iron and folic acid
after consulting your gynecologist.You may require 1-2gms of calcium a day.
Apply pain-killer gels externally.
in low dose will be helpful but do not continue for a longer time without medical advise.
Consult a Food and Nutrition therapist for better management of your problem during pregnancy
Have a good health.