Active Ingredient

Prednisone

Prednisone is a type of corticosteroid medication often used to reduce inflammation in the body. It is commonly prescribed for a variety of conditions where inflammation is a key factor.

This medication is used in situations where the body’s immune response needs to be controlled or suppressed.

Written By Douglas C. Goldberg, MD

Reviewed By Philip Schein, MD

Last Updated 28 Nov 2025

Available Prednisone Brands

Deltasone

Strengths 5mg, 10mg, 20mg, 40mg

Prednisone Uses

Prednisone is used to treat several conditions caused by inflammation and immune system reactions.

Rheumatoid arthritis
Asthma and other respiratory issues
Allergic reactions
Autoimmune disorders
Certain skin conditions

How Prednisone Works

Prednisone works by mimicking the effects of cortisol, a hormone naturally produced by the adrenal glands. It helps to reduce inflammation and suppress the immune system.

This action helps to alleviate symptoms associated with inflammatory and allergic conditions.

By decreasing the body’s immune response, it can help manage symptoms of autoimmune diseases.

Common side effects of Prednisone

Not everyone experiences side effects with prednisone, and many are mild and temporary. However, some common side effects can occur.

Increased appetite
Weight gain
Insomnia
Mood changes
Stomach upset
Increased sweating

If you experience any serious or persistent side effects, contact your doctor.

Take prednisone with food to reduce stomach upset.
Avoid close contact with people who have infections, as prednisone can weaken your immune system.
Do not stop taking prednisone suddenly without consulting your doctor.
Limit alcohol consumption while taking this medication.
Inform your doctor about any other medications or supplements you are taking to avoid interactions.

Always consult your healthcare provider for advice tailored to your health situation.

Frequently Asked Questions

What is prednisone used for?

Prednisone is used to treat conditions like arthritis, asthma, allergies, and autoimmune disorders by reducing inflammation and suppressing the immune system.

How long does it take for prednisone to work?

The effects of prednisone can be felt within a few hours to a few days, depending on the condition being treated.

Can I drink alcohol while taking prednisone?

It’s advisable to limit alcohol consumption while taking prednisone, as it can increase the risk of stomach irritation and other side effects.

What should I do if I miss a dose of prednisone?

If you miss a dose, take it as soon as you remember. If it’s almost time for your next dose, skip the missed dose and continue with your regular schedule.

Are there any foods I should avoid while taking prednisone?

There are no specific foods you must avoid, but taking prednisone with food can help reduce stomach upset. Consult your doctor for personalized advice.