Dermatologist Houston - Patient Portal
New Patients: 281 771-0494 Existing Patients: (281) 395-7770
Houston Location

9432 Katy Freeway, Suite 450 ,
Houston , TX 77055 | Get Direction

New Patients
Existing Patients

“I came to this clinic because of my friend’s excitement about her experiences here. I have noticed dramatic changes in her. She told me she had microdermabrasion so….that is what I wanted. I had no intention of getting Botox. But after consultations I decided to go for it and the end result is absolute excitement! I had no intention of getting that treatment but now I could be the poster girl for Botox! I Love It!! People started noticing that I looked younger in 2 days! I feel sinful for the number of times I want to check myself out in the mirror.

I told my friend that I had received Botox and it turned out that she did too….she just didn’t tell me. We are both very happy with the results and also the warm, caring staff that make the experience complete.

Thank you,”

Poison Ivy/Poison Oak/Poison Sumac

What are Poison Ivy / Poison Oak / Poison Sumac?

These are common plants, which produce oils that cause severe skin reactions in many people. Areas of the skin that come into contact with these oils become inflamed, itchy, and red with small blisters. Poison oak is most commonly found in the western and southeastern United States, while poison ivy is found in eastern regions. Common symptoms include:

  • Small hives or bumps.
  • Oozing, fluid-filled blisters.
  • Intense itching.
  • Streaked or red areas where the plant contacted the skin.


Poison oak, ivy, or sumac rashes are classified as contact dermatitis, which encompasses most allergic skin reactions. All of these plants secrete an oily substance called urushiol, a common irritant to human skin. Even a small amount can be absorbed by the skin and cause a severe reaction. Urushiol is a sticky substance that does not dry, making it cling to clothing and objects.

You may develop a rash from:

  • Directly touching any part of the plant.
  • Transferring urushiol from one area to another through skin contact.
  • Inhalation of smoke if the plant is being burned.
  • Touching a pet or object that has contacted a plant.


The best way to prevent this rash is to avoid touching poison oak, ivy, or sumac.

  • You should familiarize yourself with the appearance of these plants so that you can recognize and avoid them.
  • If any of these plants sprout in your yard, remove them promptly and carefully.
  • Clean any objects that have contacted these plants.
  • Be diligent in watching for them when outdoors.
  • Use a barrier skin cream.
  • Immediately clean any skin that you believe may have touched any of these plants.

Treatment options

If you have touched poison oak, ivy, or sumac a rash is likely to develop within 48 hours. In most cases, it will resolve naturally in two or three weeks. At-home therapies, such as over-the-counter hydrocortisone creams, antihistamines or oatmeal baths and can help control itching. Your doctor may prescribe an oral or topical steroid medication if the rash becomes severe.

If you have concerns about poison oak, ivy, or sumac rash, call Dr. W Dermatology at 281 771-0494 and schedule an appointment. We will be happy to see you at our Katy or Houston office.