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The topical cream does burn the first day. It is due to the infection. You can use an icepack after the cream which does a great job to take away the pain. The urine stream issue may be due to swelliing. The growths you describe can also be due to swelling or may be venereal warts. Your nurse friend is wrong. You cannot pick up a vaginal infection from changing diapers any more than you can from wiping yourself.
Venereal warts are sexually transmitted