Hydrocortisone ointment is a mild topical steroid used to relieve itching, redness, and inflammation from a wide range of skin conditions. It’s one of the lowest-potency steroids available, which makes it gentle enough to buy over the counter in strengths of 1% or less. Prescription versions go up to 2.5% for more stubborn flare-ups.
Conditions It Treats
The broad category hydrocortisone targets is “corticosteroid-responsive dermatoses,” which essentially means any skin condition driven by inflammation that responds to steroids. In practical terms, the most common reasons people reach for it include:
- Eczema (atopic dermatitis), including mild flare-ups on the arms, legs, and torso
- Contact dermatitis, the itchy rash you get from poison ivy, nickel jewelry, latex, or harsh soaps
- Psoriasis, particularly mild plaques (prescription-strength versions are sometimes used under occlusive dressings for tougher patches)
- Insect bites and stings that cause localized swelling and itching
- Minor skin irritations like heat rash, mild sunburn reactions, or irritation from clothing or bandages
Over-the-counter labels specifically approve it for “temporary relief of itching associated with minor skin irritations, inflammation, and rashes.” A prescription version covers the same territory but at higher concentrations for conditions that don’t respond to OTC strength.
How It Works
Hydrocortisone is a synthetic version of cortisol, a hormone your body naturally produces. When applied to the skin, it dials down the immune response in that area, reducing the swelling, redness, and itching that come with inflammation. It doesn’t cure the underlying condition. It controls the symptoms while your skin heals or while you address the trigger.
Ointment vs. Cream
Hydrocortisone comes in creams, ointments, and lotions, and the formulation you choose matters for comfort more than potency. Ointments are petroleum-based, thick, and lubricating. They sit on the skin and create an occlusive layer, which makes them especially useful for dry, scaly, or cracked patches. They leave a greasy residue, so many people prefer them for nighttime use or for areas covered by clothing.
Creams are lighter and absorb more easily, making them a better fit for daytime use or areas where greasiness would be annoying. Despite the old belief that ointments are more potent than creams, evidence from multiple randomized trials suggests the two formulations deliver similar effectiveness. One practical note: ointments should generally be avoided in hairy areas and skin folds (like the armpits or groin), where the occlusive moisture can cause irritation or inflamed hair follicles.
How to Apply It
For OTC hydrocortisone, the standard recommendation is to apply a thin layer to the affected area up to three or four times a day. You only need enough to lightly cover the irritated skin. Rubbing in a thick glob won’t speed things up and increases your risk of side effects.
If you’re using OTC strength and your symptoms haven’t improved within 7 days, stop using it. For prescription-strength hydrocortisone, the window is longer: expect to give it up to 2 weeks before reassessing with your provider. Either way, hydrocortisone is meant for short-term use, not as a daily maintenance product.
Where Not to Use It
Hydrocortisone is one of the mildest steroids, but certain areas of the body absorb it much more readily because the skin is thinner. The face, eyelids, groin, and genital area all fall into this category. You shouldn’t apply hydrocortisone to these areas without guidance from a doctor or pharmacist, because even a low-potency steroid can cause thinning and visible damage to delicate skin over time.
Skin folds (under the breasts, in the armpits, behind the knees) also absorb more than flat surfaces like the forearms. Clinical guidelines consistently recommend using only the lowest-potency steroids in these regions, and hydrocortisone fits that profile, but duration still needs to be kept short.
Hydrocortisone is also contraindicated on skin that has an active infection. Bacterial infections, fungal infections like ringworm, and viral conditions like chickenpox or herpes should not be treated with hydrocortisone. The steroid suppresses your local immune response, which can let the infection spread or worsen. If your rash looks infected (oozing, crusting, spreading rapidly, or feeling warm to the touch), it needs a different treatment entirely. Acne is another no-go; steroids can worsen breakouts.
Side Effects
Short-term, occasional use of OTC hydrocortisone rarely causes problems. The side effects that concern dermatologists are the ones that come from prolonged or inappropriate use. The most common is skin thinning (atrophy) in the treated area. Over time, the skin can become fragile, shiny, and lose its normal texture. You may also notice small, visible blood vessels appearing near the surface, a condition called telangiectasia.
The risk goes up with higher potency formulations, longer use, occlusive dressings that trap the medication against the skin, and application on thin-skinned areas. These changes can be slow to reverse and sometimes permanent, which is why the time limits on use exist.
Systemic absorption, where enough steroid gets through the skin to affect the rest of your body, is rare with hydrocortisone but possible when large areas of skin are treated or when it’s used on very young children. Infants are the most susceptible to this effect, and studies have documented suppression of the body’s natural cortisol production in babies after at least a month of continuous application.
Use in Children
OTC hydrocortisone is labeled for children aged 2 and older. Below that age, a pediatrician should be involved in the decision. Children’s skin is thinner and absorbs more of the medication proportional to their body size, which increases the risk of both local side effects and systemic absorption. When hydrocortisone is appropriate for a child, the same rules apply: thin layer, limited area, and short duration.
OTC vs. Prescription Strength
In the United States, hydrocortisone at 1% or lower is the only topical steroid approved for over-the-counter sale. Prescription hydrocortisone comes in 2.5% strength and falls into the lowest potency class (Class VII) on the seven-tier steroid scale. For context, the most powerful topical steroids (Class I) are roughly 600 times more potent. Hydrocortisone sits at the very bottom of that ladder, which is why it has such a favorable safety profile for short-term use on most body areas.
If OTC hydrocortisone isn’t controlling your symptoms within a week, the next step is typically a prescription for either the stronger hydrocortisone formulation or a step up to a moderate-potency steroid. The condition, the body site, and how long you’ve been dealing with symptoms all factor into what comes next.