Spermicides are chemicals that kill sperm
Disadvantages:
- Must be placed in the vagina prior to sex.
- Can be messy or have an unpleasant taste or smell.
- Used alone can have a failure rate (chance pregnancy will occur) of up to 30%.
- Can cause a rash or burning sensation in the women or her partner.
- You shouldn't douche for at least 8 hours following intercourse.
All these products come with adequate literature describing their use.