Expert Tips & Wisdom

Key Points About Contact Dermatitis

by Matt Zirwas, MD, FAAD
Testing has shown that you have allergic contact dermatitis.  This means that you are particularly sensitive to even an extremely small amount of certain substances. You are so sensitive to th... More...

5-FU (5-Fluorouracil), Topical

by Matt Zirwas, MD, FAAD
Note: 5-fluorouracil (5-FU) is very poisonous when ingested by dogs or cats. Even tiny amounts can be very toxic, resulting in acute gastrointestinal signs (e.g., vomiting, diarrhea), central nervous ... More...