A flat blood blister under the skin is when a blood vessel ruptures and collects in tissues under the skin. The cause of a blood blister can be due to some injury that either pinches or squeezes the skin, states Foot Vit... More »

Some melanomas in their earliest stages may resemble blood blisters and reveal themselves as such if they continue to grow rather than disappearing in a reasonable time frame, states Know Cancer. Patients should not wait... More »

Infections inside the skin or on its surface or an allergic reaction cause skin lesions, Healthline explains. In addition, skin lesions may be hereditary or already present at the time of birth. More »

www.reference.com Health Conditions & Diseases Skin Conditions

Some mite infestation symptoms found in humans include the appearance of a pimple-like rash and blisters on the skin and an intense itch, according to WebMD. The exact symptoms associated with mite infestations in humans... More »

The shingles rash usually appears as a small band, strip or patch of red skin with blisters, states WebMD. The blisters contain a clear fluid, yet after three to four days, the fluid becomes cloudy. It is usually more pa... More »

Blood blisters that keep showing up in the mouth are a possible symptom of mouth cancer. Most mouth cancers begin in the squamous cells that line the mouth. This type of cancer works into deeper tissues, often spreading ... More »

Blood spots on the skin may result from petechiae, according to the Mayo Clinic. Damage to the blood vessels, also known as capillaries, leak blood within the skin and cause petechiae spots to form. Petechiae in the face... More »