According to the Ventolin package insert possible side effects of taking this drug include fast or irregular heartbeat, chest pain, shakiness, and nervousness. There is no documentation from the Ventolin, Proair, or Proventil package insert that any of these drugs cause any type of mood altering effect.
Each pill contains levonorgestrel, a synthetic version of the hormone progestin. Levonorgestrel has been used in birth control pills for over 35 years. Plan B One-Step contains a higher dose of levonorgestrel than that in regular birth control pills.
Plan B is also referred to as the morning after pill. It is taken by those who have unprotected sex, or use a condom that splits during intercourse. These instances can lead to ejaculation in the vagina which can cause impregnation. Plan B will help to prevent this from happening, but it may affect your period.