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.
The pills are more effective the sooner they are taken, so take 2 Plan B pills at the same time as soon as possible after unprotected intercourse. Plan B has been replaced by the one-pill product Plan B One-Step. Facts about Plan B: Plan B is a way to prevent pregnancy AFTER unprotected sex.