Use Maximum Strength Cortizone 10 Itch Ointment to help temporarily relieve itch associated with minor skin irritations and rashes associated with insect bites; psoriasis; and poison ivy, oak, and sumac. Stock up on 2-ounce tubes of Cortizone 10 Maximum Strength Ointment so you always have itch relief on hand. *1% hydrocortisone is the maximum strength available without a prescription. DIRECTIONS: Adults and children 2 years of age and older: Apply to the affected area not more than 3 to 4 times daily. For children under 2 years of age: Ask a doctor.