 Although a condom is effective in limiting exposure , some disease transmission may occur even with a condom . Infectious areas of the genitals , especially when symptoms are present , may not be covered by a condom , and as a result , some diseases like HPV and herpes may be transmitted by direct contact . The primary effectiveness issue with using condoms to prevent STDs , however , is inconsistent use . 
 Although a condom <a href='drop_aux' title='1'><mark>is</mark></a>effective in limiting exposure , some disease transmission may occur even with a condom . Infectious areas of the genitals , especially when symptoms <a href='drop_aux' title='2'><mark>are</mark></a>present , may not be covered by a condom , and as a result , some diseases like HPV and herpes may be transmitted by direct contact . The primary effectiveness issue with using condoms to prevent STDs , however , <a href='drop_aux' title='3'><mark>is</mark></a>inconsistent use . 
Although a condom effective in limiting exposure , sum disease transmission may occur even with a condom . Infectious areas of da genitals , especially when symptoms present , may not be covered by a condom , and as a result , some diseases like HPV and herpes may be transmitted by direct txt . The primary effectiveness issue wit using condoms to prevent STDs , however , inconsistent use .