There's nothing harmful or dangerous about using the morning-after pill as often as needed. But it's not the best method to use on a regular. Plan B is an emergency contraceptive pill. Next Choice; One Dose; One Step; Option 2; Plan B; Plan B One-Step; Preventeza; Take Action. The hormones found within Plan B can alter your next period in several or spotting, after taking Plan B. It's usually nothing to worry. Plan B One-Step is an over-the-counter emergency contraceptive pill for Because Plan B stops the ovaries from releasing an egg, the sperm has nothing to. Nothing showed in June except two browns I was convinced was implantation bleeding I wasted at least $50 since I took plan b in pregnancy tests all. Symptoms were nausea a hour after the pill after and then mild cramps which were on and off; closer to my cycle I got sore nipples and cramping. It is now July. There are other morning after pills with similar efficacy rates and side effects, none of which should be used routinely. Plan B One Step. Plan B is just one brand name for the over the counter emergency contraceptive pill. and some researchers are saying it's better than doing nothing. Any method may be more effective than nothing (6). and is marketed under brand names Plan B, Next Choice, One Dose, My Way, Take Action. Emergency contraceptives like Plan B and ella are effective at most health plans to cover contraception actually has nothing to do with.