What can cause small circular bruises on the body with out being hit by something?

* Blood clotting disorders: Certain medical conditions, such as hemophilia and von Willebrand disease, can cause easy bruising or bleeding.

* Medications: Some medications, such as anticoagulants (blood thinners) and aspirin, can increase the risk of bruising.

* Vasculitis: This is a condition in which the blood vessels become inflamed. Vasculitis can cause a variety of symptoms, including skin rashes, joint pain, and fatigue.

* Scurvy: This is a condition caused by vitamin C deficiency. Scurvy can cause several symptoms, including easy bruising, bleeding gums, and fatigue.

* Trauma: Even minor trauma, such as bumping into furniture or dropping something on your skin, can cause a bruise.

* Insect bites: Some insect bites, such as those from mosquitoes and fleas, can cause small circular bruises.

* Skin conditions: Some skin conditions, such as eczema and psoriasis, can make the skin more fragile and prone to bruising.