Hold the tip of the condom and unroll it onto the erect penis. Leave space at the tip of the condom, but be sure that no air is trapped in it. Adequate lubrication is important to prevent condom breakage, but use only water-based lubricants, like glycerine or lubricating jellies. Withdraw from the partner immediately after ejaculation. While doing so, press the condom firmly against the base of the penis to keep it from slipping off.
Synthetic condoms are available for people who have latex allergies.
Lambskin condoms, which are made from animal membranes, contain tiny holes. These condoms are not recommended for the prevention of STDs. Always consult your own doctor about any opinions or recommendations with respect to your symptoms or medical condition. Beth Israel Deaconess Medical Center .