H. Michael O'Connor MD MMEd FRCPC


Allergic Reaction

An allergic reaction is an overreaction of the immune system to a substance called an allergen. Allergens include chemicals, foods, medicines, mold, plants, and pollen. Symptoms of an allergic reaction can range from mild and annoying to severe and life-threatening. Allergens can affect different tissues in the body…

Tattoo Removal

Options for removing tattoos Treatment to remove a tattoo is not always successful. There are many ways to try and remove tattoos, including: Laser treatment. This is the treatment of choice. Many types of lasers have been used to remove tattoos. Different lasers remove different types of ink better than others. For…

Lipoma

What is a lipoma? A lipoma is a growth of fat cells in a thin, fibrous capsule usually found just below the skin. Lipomas aren’t cancer and don’t turn into cancer. They are found most often on the torso, neck, upper thighs, upper arms, and armpits, but they can occur almost anywhere in the body. One or more lipomas may…

High-Risk Sexual Behavior

High-risk sexual behavior puts people at risk for sexually transmitted infections (STIs), unplanned pregnancy, and being in a sexual relationship before being mature enough to know what makes a healthy relationship. Teens and young adults are at higher risk than adults. Examples of high-risk sexual behavior include…

How to make a butterfly bandage

A butterfly bandage can be used to hold the edges of a cut together while it heals. To make a butterfly bandage: Cut a strip from a roll of 1 in. (2.5 cm) adhesive tape and fold it in half lengthwise, sticky side out. Cut a notch not far from the fold in each long side of the tape. Unfold the tape, then fold the notched…