### Skin Reactions Caused by Cephalexin and Mango Allergy **Description**: The patient experienced skin reactions on the head and face after taking cephalexin and eating mangoes. Symptoms may include redness, swelling, itching, or rash. **Possible Causes**: 1. **Drug Allergy**: Cephalexin is a cephalosporin antibiotic. Some individuals may have allergic reactions to it, with common symptoms like rashes, itching, and swelling. 2. **Food Allergy**: Mango contains certain allergens that may trigger allergic reactions, especially in individuals with pre-existing allergies. **Precautions**: 1. **Stop Use of Suspected Substances**: Immediately discontinue the use of cephalexin and consumption of mangoes to prevent further aggravation of symptoms. 2. **Medical Diagnosis**: It is recommended to visit a dermatologist for a detailed examination. The doctor may conduct allergy tests and skin examinations to identify the allergens. 3. **Medication**: Use antihistamines under the guidance of a doctor to effectively relieve allergic symptoms. 4. **Skin Care**: Keep the skin clean and avoid scratching the affected areas to prevent infections. Use mild skincare products to ease skin discomfort. 5. **Preventive Measures**: Identify potential allergens and avoid contact. Patients with drug allergies should consult a doctor before using any medication to ensure safety. In summary, allergic reactions require prompt treatment and professional medical advice. Patients should closely monitor their symptoms and follow the doctor's guidance for treatment and care.