Take the missed dose as soon as you remember it. However, if it is almost time for the next dose, skip the missed dose and continue your regular dosing schedule. Tamoxifen may increase the risk that you will develop other cancers, including liver cancer. Talk Goandotrophin your doctor about this risk. Tamoxifen may increase the risk that you will develop cataracts clouding of the lens in Human Chorionic Gonadotropin eye that may need to be treated with surgery. Tamoxifen may cause other side effects. Call your doctor if you have any unusual problems while taking this medication.