Characteristically, there is increased mucosal bleeding: * heavy menstrual bleeding * easy bruising * nosebleeds * Bleeding from the gums * gastrointestinal bleeding * postpartum bleeding * increased postoperative bleeding. The bleeding tendency is variable but may be severe. Bleeding into the joints, particularly spontaneous bleeds, are very rare, in contrast to the hemophilias. Platelet numbers and morphology are normal. Platelet aggregation is normal with ristocetin, but impaired with other agonists such as ADP, thrombin, collagen, or epinephrine.
Glanzmann's thrombasthenia
Harris platelet syndrome
Quebec platelet disorder
Gray platelet syndrome
Sticky platelet syndrome
Bernard–Soulier syndrome
Von Willebrand disease
Acquired haemophilia