### Allergic Reactions to Poison Ivy, Oak, and Sumac **What are Poison Ivy, Oak, and Sumac?** Poison ivy, poison oak, and poison sumac are plants that contain an oily sap called urushiol. This sap can cause an allergic reaction when it comes into contact with the skin. **Symptoms** - **Itchy Rash**: The most common symptom is an itchy rash that can appear within hours or up to several days after exposure. - **Redness and Blisters**: The rash may include redness and blisters that can spread if scratched. - **Severity**: Symptoms can range from mild to severe, and in some cases, the rash can last for 30 days or longer. - **Inhalation**: If the plants are burned, inhaling the smoke can cause serious allergic reactions affecting the nasal passages, throat, and lungs. **Treatment** - **Cool Showers**: Taking cool showers can help relieve itching. - **Over-the-Counter Lotions**: Applying lotions like calamine lotion can also help soothe the skin. - **Prescription Medications**: For severe reactions, especially those involving mucus membranes, a doctor may prescribe medications like prednisone. **Prevention Tips** - **Avoid Contact**: Learn to identify these plants and avoid touching them. - **Clean Tools and Pets**: Urushiol can stick to gardening tools, camping equipment, and even pet fur, so make sure to clean them thoroughly. - **Protective Clothing**: Wear long sleeves, pants, and gloves when in areas where these plants may grow. **Myths** - **Spreading the Rash**: The rash itself is not contagious. It only spreads if urushiol is still on your skin or under your nails. - **Blister Fluid**: The fluid from blisters does not contain urushiol and will not spread the rash. **When to Seek Medical Attention** - **Severe Reactions**: If you experience severe symptoms or if the rash spreads to your eyes, mouth, or genitals, seek medical attention immediately. - **Inhalation**: If you have inhaled smoke from burning poison plants and experience difficulty breathing, seek immediate medical help. By following these guidelines, you can manage and prevent allergic reactions to poison ivy, oak, and sumac.