Yes, Cortizone contains a steroid. The active ingredient in Cortizone products is hydrocortisone, which belongs to a class of medications called corticosteroids. These are not the same as the muscle-building anabolic steroids associated with athletic doping. Corticosteroids reduce inflammation and suppress immune responses, which is why they’re effective at calming itchy, irritated skin.
What Kind of Steroid Hydrocortisone Is
Hydrocortisone is a synthetic version of cortisol, a hormone your adrenal glands produce naturally. Cortisol helps regulate inflammation, blood pressure, and immune function throughout the body. When applied to the skin in a cream or ointment, hydrocortisone works locally by blocking the chemical signals that cause redness, swelling, and itching. It prevents inflammatory cells from accumulating at the site of irritation and reduces the production of compounds called prostaglandins and leukotrienes that drive the inflammatory process.
The distinction from anabolic steroids matters. Anabolic steroids are synthetic forms of testosterone designed to build muscle tissue. Corticosteroids like hydrocortisone do the opposite of bulking you up. They dampen immune activity and calm tissue reactions. The word “steroid” simply refers to a shared chemical structure (a specific arrangement of carbon rings), not a shared function.
What Cortizone Products Treat
Over-the-counter hydrocortisone is used to treat redness, swelling, itching, and discomfort from a range of skin conditions. Common uses include eczema flare-ups, contact dermatitis (like poison ivy), insect bites, and minor allergic skin reactions. It’s a low-potency steroid, which makes it suitable for short-term self-treatment of mild symptoms.
Hydrocortisone is also available in prescription strengths for more serious conditions. Over-the-counter products like Cortizone-10 top out at 1% hydrocortisone (10 mg per gram of cream). Prescription formulations go up to 2.5% and higher potency corticosteroids are available in different chemical formulations entirely.
How Long You Can Safely Use It
For over-the-counter hydrocortisone, the general guideline is to stop using it if your symptoms last longer than 7 days, get worse, or clear up and then return within a few days. These are signals that something else may be going on and the cream alone isn’t the right treatment.
Short-term use at low potency carries minimal risk. A large review of clinical trials found that 2 to 4 weeks of topical corticosteroid treatment showed no significantly increased risk of skin thinning compared to moisturizer alone. Even in a year-long study of 330 adults using low-to-moderate potency steroids on most days, only 0.9% developed any skin thinning. The fear of skin damage from hydrocortisone cream is common but largely overblown for the low-strength, short-duration use most people need.
What Increases Risk of Side Effects
When side effects do occur with topical steroids, certain factors make them more likely: using a higher-potency product, applying it over a large area of skin, covering it with bandages or plastic wrap (which increases absorption), and using it for prolonged periods without breaks. Where you apply it also matters. Thin skin on the face, groin, armpits, and skin folds absorbs significantly more of the medication than thicker skin on your arms or legs. Children’s skin is also more susceptible to absorption.
Super-high-potency corticosteroids (prescription-only, much stronger than anything in a Cortizone product) should generally not be used on the face, groin, or skin folds, or under occlusive coverings. But for a standard 1% hydrocortisone cream applied to a bug bite or a small patch of eczema, these concerns are rarely relevant.
Steroid Cream vs. Steroid Pills
Topical hydrocortisone stays mostly local. Very little absorbs into the bloodstream when you apply a thin layer to a small area. This is fundamentally different from oral corticosteroids (like prednisone), which circulate throughout the body and carry a much broader set of potential side effects including blood sugar changes, bone thinning, and immune suppression with long-term use.
Hydrocortisone is also available as an oral medication for people whose bodies don’t produce enough cortisol on their own, a condition called adrenal insufficiency. In that context, it replaces a missing hormone rather than suppressing inflammation. Same molecule, different purpose, different dose, and a completely different medical situation from rubbing Cortizone cream on a rash.