Hydrocortisone Dosage Guide: How Much to Take and When (With Chart)

Alan Lucks | MD

Medically reviewed by Alan Lucks | MD, Alan Lucks MDPC Private Practice - New York on January 2nd, 2026.

Key Takeaways

  • Hydrocortisone is a corticosteroid used to treat inflammation, allergies, adrenal insufficiency, and other conditions.
  • Dosage varies widely depending on the condition being treated, patient age, and the form of hydrocortisone (oral, topical, or injectable).
  • Typical adult oral doses range from 10 mg to 40 mg daily, while children’s doses are carefully adjusted by weight and condition.
  • Missed doses should be taken as soon as remembered, unless it is close to the next dose; never double-dose without medical advice.
  • Adjustments may be necessary for specific medical conditions; always consult a healthcare provider for personalized guidance.
  • Doctronic.ai offers AI-powered, personalized medical advice and telehealth visits 24/7 to help answer dosage questions and connect you with doctors.

Understanding Hydrocortisone Uses and Dosages

Hydrocortisone is a versatile medication primarily used to reduce inflammation and suppress the immune system in various conditions. It treats everything from skin issues like eczema and psoriasis to more serious conditions such as adrenal insufficiency and severe allergies. Because of its broad applications, knowing the correct dosage is crucial to maximizing benefits and minimizing risks.

Hydrocortisone is available in multiple forms: oral tablets, topical creams, and injectable solutions. Each form has specific dosing guidelines tailored to the condition and patient demographics. This guide covers typical dosages and essential considerations.

Hydrocortisone Dosage Chart

Form

Strength

Typical Adult Dose

Typical Children’s Dose

Frequency

Route

Maximum Daily Dose

Tablet

10 mg

10-40 mg

2.5-15 mg (weight-based)

Once to multiple times daily

Oral

240 mg/day (for severe cases)

Injection

100 mg/mL

100-500 mg

Varies by condition

Single or repeated doses

Intramuscular or intravenous

Dependent on the clinical scenario

Topical Cream

0.5% - 2.5%

Apply a thin layer

Use with caution in children

1-4 times daily

Topical

Based on the area treated

Hydrocortisone Dosage by Condition

Adrenal Insufficiency

For adults with adrenal insufficiency, oral hydrocortisone replacement typically starts at 15-25 mg per day, divided into two or three doses to mimic the body’s natural cortisol rhythm. Children’s doses are carefully calculated based on weight, generally around 8-12 mg/m²/day. Adjustments are made during stress or illness.

Inflammatory Skin Conditions

Topical hydrocortisone creams are applied 1 to 4 times daily depending on severity. Use the lowest effective potency for the shortest duration to avoid side effects such as skin thinning. Children require special caution due to increased risk of absorption.

Severe Allergic Reactions and Inflammation

Injectable hydrocortisone is used in emergencies or severe cases, with doses ranging from 100 mg to 500 mg administered intramuscularly or intravenously. Repeat dosing depends on clinical response and physician guidance.

What is the Typical Hydrocortisone Dose for Adults?

Adults taking oral hydrocortisone for adrenal insufficiency or other systemic conditions usually start with 10 to 40 mg daily. The dose is divided into two or three administrations to simulate natural cortisol levels. For topical use, adults apply creams or ointments 1 to 4 times daily, depending on the affected area and severity.

Injectable doses are reserved for acute situations and vary widely. It’s essential to follow a healthcare provider’s instructions carefully to avoid complications.

What is the Typical Hydrocortisone Dose for Children?

Children’s dosing requires precision. Oral doses are calculated based on body surface area or weight, often between 2.5 mg and 15 mg per day, divided into multiple doses. Topical hydrocortisone should be used sparingly and under medical supervision to prevent systemic absorption and side effects.

What to Do If You Miss a Dose of Hydrocortisone?

If a dose is missed, take it as soon as you remember unless it is almost time for the next dose. Do not double up doses to catch up. Missing doses can affect symptom control, especially in adrenal insufficiency, so maintaining a consistent schedule is essential. If you are unsure, contact your healthcare provider or use telehealth services like Doctronic.ai for guidance.

How to Adjust Your Hydrocortisone Dose for Certain Medical Conditions

Stress or Illness

During periods of physical stress, such as surgery, infection, or injury, hydrocortisone doses are often temporarily increased to mimic the body’s natural stress response. This prevents adrenal crisis in patients with adrenal insufficiency.

Liver or Kidney Impairment

Patients with liver or kidney issues may require dose adjustments due to altered drug metabolism and clearance. A healthcare provider should closely monitor and adjust doses accordingly.

Hydrocortisone Overdose and Warnings

Taking too much hydrocortisone can cause symptoms like weight gain, swelling, high blood pressure, mood changes, and increased risk of infections. Long-term overuse may lead to Cushing’s syndrome. Always follow prescribed doses and consult a doctor if you suspect an overdose.

Tips for Taking Hydrocortisone Safely

  • Take hydrocortisone exactly as prescribed; do not alter your dose without medical advice.

  • Do not stop hydrocortisone suddenly, especially after long-term use, as this can cause withdrawal symptoms.

  • Inform your healthcare provider about all medications and supplements you are taking to avoid interactions.

  • Use topical hydrocortisone only on affected skin areas and avoid prolonged use.

  • Store hydrocortisone as directed, away from heat and moisture.

Learn More About Hydrocortisone Dosage With Doctronic

Getting the proper hydrocortisone dosage can be complex. Doctronic.ai offers a revolutionary AI-powered doctor experience that provides personalized, evidence-based medical advice instantly. Whether you have questions about dosing, side effects, or need a second opinion, Doctronic’s AI doctor synthesizes the latest peer-reviewed medical research to give you clear answers.

For a more hands-on approach, Doctronic also offers affordable telehealth video visits with licensed doctors available 24/7 across all 50 states. This means you can get professional guidance on hydrocortisone dosing and other health concerns from the comfort of your home. Visit Doctronic.ai to learn more and start your consultation today.

Person holding and touching a red, irritated area on their wrist

Frequently Asked Questions

No. Hydrocortisone dosing should only be adjusted under medical supervision, especially for conditions like adrenal insufficiency, where incorrect dosing can be dangerous.

For oral and injectable forms, hydrocortisone can start reducing inflammation within hours. Topical creams may take several days to show full effects.

Hydrocortisone is generally considered safe during pregnancy but should be used only when clearly needed and under a doctor’s guidance.

Contact your healthcare provider immediately if you notice severe side effects such as swelling, mood changes, or signs of infection.

Yes, but doses must be carefully calculated and monitored by a healthcare professional to avoid adverse effects.

References

The Bottom Line

Hydrocortisone remains a critical medication in managing a variety of health conditions, but dosing must be tailored carefully to the individual and the condition. Whether using oral tablets, topical creams, or injections, understanding the correct dose and schedule is key to safe and effective treatment.

Always consult healthcare professionals for personalized advice. Doctronic.ai makes it easier than ever to get reliable, up-to-date medical information and connect with doctors when you need them most.

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