A case of Giardia lamblia proctitis presenting in a V.D. clinic.

Attendance at a British venereal disease clinic does not require referral from a family doctor; accordingly, when a patient presents spontaneously, there is a reasonable assumption that he suspects sexually acquired disease. Asian immigrants are still prone to conceal the truth of their sexual activities, particularly if homosexual activity is involved, and it is against this background that the following case is recorded.