Does plan b work if it completely dissolves in your mouth but you swallow the dissolve pill with water?

Yes, as long as you take the whole contents of the pill and take it within 72 hour of sex, it is about 95% effective in preventing pregnancy. If you do not wish to be pregnant, use contraception all the time, every time. You may consider implanted contraceptive, or IUD. Practice safe sex : https://www.hopkinsmedicine.org/health/wellness-and-prevention/safer-sex-guidelines Get HPV vaccine.