DrugABC

UK medicines information — general guidance, not personalised advice.

Prednisolone

Prednisolone is a corticosteroid tablet used short term for asthma attacks, COPD exacerbations, allergic reactions, inflammatory diseases, and some autoimmune conditions under specialist care. Longer courses need osteoporosis and blood sugar safeguards.

This medicine is part of the Blood pressure, cholesterol & related category.

Generic name: prednisolone

Quick answers

Short replies to searches people often run before speaking to a clinician. For the overview of what the medicine is used for, see the short summary under the page title above.

  • What is it for?

    Prednisolone is a corticosteroid tablet used short term for asthma attacks, COPD exacerbations, allergic reactions, inflammatory diseases, and some autoimmune conditions under specialist care.

  • How long does it take to work?

    Onset varies by condition and dose. Your GP or pharmacist can explain what to expect and when to review.

  • What are common side effects?

    Indigestion, mood changes, insomnia, increased appetite, weight gain, acne, and glucose rise in diabetes.

  • Can you take paracetamol or ibuprofen with it?

    NSAIDs increase ulcer risk with steroids.

More about what Prednisolone is used for

Prednisolone is a corticosteroid tablet used short term for asthma attacks, COPD exacerbations, allergic reactions, inflammatory diseases, and some autoimmune conditions under specialist care.

Longer courses need osteoporosis and blood sugar safeguards.

How does Prednisolone work, and how long does it take to work?

It damps down widespread inflammation and immune activity — helpful when inflammation is harmful but with trade-offs such as infection vigilance.

Does not replace reliever inhalers for sudden asthma symptoms.

How and when should you take Prednisolone?

Often as a single morning dose after food to mimic natural cortisol rhythm unless your prescriber splits doses.

Never stop abruptly after weeks of use without medical advice — adrenal suppression can occur.

What are the common side effects of Prednisolone?

Indigestion, mood changes, insomnia, increased appetite, weight gain, acne, and glucose rise in diabetes.

Serious side effects of Prednisolone — when to get urgent help

Seek urgent help for severe infection signs, sudden severe abdominal pain (possible pancreatitis or ulcer perforation), vision changes, or psychiatric crisis.

What if you miss a dose of Prednisolone?

Take when remembered the same day if a once-daily plan; if unsure after several missed days, contact your prescriber — do not double arbitrarily.

Who should not take Prednisolone?

Untreated systemic infections in some cases, live vaccine timing issues, and diabetes or osteoporosis need risk management rather than automatic avoidance.

Can you take paracetamol or ibuprofen with Prednisolone? — other interactions

NSAIDs increase ulcer risk with steroids. Warfarin may vary. Some antiepileptics alter steroid levels.

Prednisolone in pregnancy and breastfeeding

Use in pregnancy is sometimes necessary — specialist advice applies.

Blood tests and monitoring on Prednisolone

Blood pressure, glucose, bone protection, and stomach protection may be planned on longer courses.

What might your GP prescribe instead of Prednisolone?

Dexamethasone, Hydrocortisone cream, or targeted non-steroid immunosuppressants may be used depending on condition.

Reviewed by UK registered pharmacists

Reviewed by UK registered pharmacists for accuracy and clarity. Content is informational only.

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Frequently asked questions about Prednisolone

People also ask — common Google searches

What is Prednisolone used for?
Prednisolone is a corticosteroid tablet used short term for asthma attacks, COPD exacerbations, allergic reactions, inflammatory diseases, and some autoimmune conditions under specialist care. Longer courses need osteoporosis and blood sugar safeguards.
How long does Prednisolone take to work?
Onset varies by condition and dose. Your GP or pharmacist can explain what to expect and when to review. Always follow your prescriber’s follow-up plan.
Can you take Prednisolone with paracetamol or ibuprofen?
NSAIDs increase ulcer risk with steroids.
What are the side effects of Prednisolone?
Indigestion, mood changes, insomnia, increased appetite, weight gain, acne, and glucose rise in diabetes. See the sections below for more detail, including serious side effects and when to seek urgent help.
Do I need a steroid card?
If you take prednisolone regularly or have recently had a long course, carry a card stating this — important for emergencies and surgery.
Why morning prednisolone?
Morning dosing reduces some sleep disruption and aligns somewhat with the body’s cortisol pattern unless split dosing is prescribed.

Need personalised advice?

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Often used with

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