Spermicides are very effective if used with condoms. They can be purchased easily. Spermicides add lubrication during intercourse. Problems Spermicides must be used consistently to be effective. It is possible to have an allergic reaction to the spermicide.
Spermicides can be messy.
How to use spermicides correctly Use every time you have intercourse. Insert the gel or cream deep into the vagina no more than 15 minutes before intercourse. Do not douche for at least 6 hours after last act of intercourse. Use additional application for each act of intercourse. Clinical Services .