Dr. Mack J Rachal M.D.

What is a blood blister?A blood blister is a raised piece of skin that has blood inside it. Blood blisters are somewhat similar to blisters that have clear fluid in them. The blisters are usually harmless and tend to go away within a few weeks without treatment. A blood blister can contain blood,...

What is excessive sweating?Excessive sweating is also known as hyperhidrosis. Abnormal and excessive sweating is not necessarily related to a rise in body temperature or intensive exercises. In this condition, sweating is so excessive that it tends to soak the clothes of an individual. At times,...

What are freckles?Freckles are flat and circular spots that are beige or brown in color. Their size is usually comparable to the size of the head of a small nail. People who have red hair and a fair complexion often have freckles because of the MC1R variant gene, which is responsible for the...

PurpuraPurpura refers to purple-colored spots that are usually seen on the skin, including mucous membranes and other organs. It is also called skin hemorrhages or blood spots.Purpura is usually recognized when there is pooling of blood under the skin due to ruptured small blood vessels. The size of...

Scalp psoriasis is a very common scalp condition characterized by raised, scaly patches on the scalp. This condition is found in approximately 7.5 million people in the country. In most cases, people with this condition may also have symptoms of psoriasis in other parts of the body. The scalp...

Ingrown hairs look very similar to acne but they are very different. They happen when hair refuses to grow out of the follicles in the normal course. The hair instead curls or winds sideways into its own follicle or into the tissue of the skin creating a host of problems.You find Afro-Americans and...