Dr. Riva Collins, MD

Canker Sores (Aphthous Ulcers) Treatment
Aphthous stomatis is the medical term for canker sores. It is a common condition that produces ulcers or erosions in the mouth and on the lips. It happens over and over again, but the cause is still unknown. It is thought to be secondary to a decreased immune system, possible from stress, infection, vitamin deficiency, or hormonal changes. Canker sores look like round shallow erosions or ulcers with a white surface, surrounded by an intense red halo and measuring 5mm. The ulcers are usually p...

Can I switch the biologic medications I’m using to treat my psoriasis?
Yes, you can switch biologic medications for psoriasis if one is not working effectively. Biologic medications are a class of drugs that target specific parts of the immune system that are involved in...

How Does Isotretinoin Work to Treat Acne?
Isotretinoin, previously marketed as Accutane, is a medication that is used to treat severe cystic acne that has not responded to other treatments. Isotretinoin is a form of vitamin A and works by ...

How is atopic dermatitis different from eczema?
Atopic dermatitis and eczema are often used interchangeably, but they are not exactly the same thing. Atopic dermatitis is a type of eczema.Eczema is a general term that refers to a group of condition...

How long does it take for a tattoo to disappear after laser tattoo removed?
The length of time it takes to remove a tattoo depends on several factors, including the size, location, and color of the tattoo, as well as the individual's skin type and overall health.The most ...

What are some tips for treating dry skin?
Dry skin can be caused by a variety of factors, such as cold weather, low humidity, harsh soaps, and certain medical conditions. Here are some tips for treating dry skin:Moisturize: Moisturizing is th...