SteroidPrescription only
Prednisolone
Tablet or syrup
Quick Summary
Prednisolone calms the immune system and reduces swelling.
Asthma and COPD flares
Autoimmune conditions
Nephrotic syndrome and allergic reactions
Medical Uses
Asthma and COPD flares: Short courses.
Autoimmune conditions: Lupus, rheumatoid arthritis and others.
Nephrotic syndrome and allergic reactions: As prescribed.
How it's taken
Take in the morning with food. After more than a few weeks, it must be reduced slowly, not stopped suddenly.
Your doctor decides the right dose for you and how long to take it.
Your doctor decides the right dose for you. Follow their instructions and the label.
Common Side Effects
Indigestion
Take with food.
Raised blood sugar
Check if you have diabetes.
Sleep and mood changes
Common.
Interactions
NSAIDs
Increase stomach bleeding risk.
Diabetes medicines
May need adjusting.
Live vaccines
Avoid with high doses.
Critical Warnings
Don't stop suddenly
Black Box Warning: After long use, stopping can be dangerous.
Long-term effects
Weight gain, bone thinning, infections, cataracts and high blood pressure.
Sources and further reading
Last updated 21 October 2026. For more detail, see these trusted health organisations.
- Prednisolone: drug information(opens in a new tab) · MedlinePlus, US National Library of Medicine
- Prednisolone tablets and liquid: steroid medicine(opens in a new tab) · NHS