not use if you are pregnant. It could harm the unborn baby. What other drugs will affect? may not work as well if you take it together with an estrogen medication (such as hormone replacement therapy,What should I avoid while taking (mefloquine)? Do not take halofantrine or ketoconazole while you are taking mefloquine and for at least 15 weeks after you stop taking it. What other drugs will affect (mefloquine)? How is the medication taken?Bring our free coupon card to the pharmacy to receive the lowest price possible on your We will never your information to any third parties. After comparing prices on this and other I have seen that there is the greatest free drug card savings potential on this