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.
Here are questions and answers about the emergency contraceptive Plan B One-Step. Plan B One-Step is an emergency contraceptive pill taken by mouth after unprotected sex. It is used to prevent pregnancy. It is not for routine contraceptive use and does not prevent against sexually transmitted diseases, including HIV. Plan B One-Step should be taken within 72 hours of unprotected intercourse.