Prednisone Patient Tips
Medically reviewed on Jul 27, 2017 by C. Fookes, BPharm.
How it works
- Prednisone is a corticosteroid that is used to reduce inflammation and calm down an overactive immune system. It has predominant glucocorticoid activity and less mineralocorticoid activity, which means that it has a greater effect on the immune response and inflammation compared to its effects on electrolytes and fluid.
- Prednisone belongs to the glucocorticoid class of corticosteroids.
- Prednisone mimics the effect of cortisol, a hormone released by the adrenal glands (located on top of the kidneys) that plays a major role in a number of bodily functions including metabolism and our response to stress.
- Prednisone helps dampen down an over-reactive immune system and reduces inflammation.
- Can help control severe or incapacitating allergic conditions unresponsive to conventional treatment including asthma, allergic rhinitis, and atopic dermatitis.
- Controls excessive inflammation associated with certain eye diseases, skin diseases, hematological disorders, and respiratory diseases.
- May be used short-term in the management of acute flare-ups or exacerbations of arthritis (includes Rheumatoid arthritis, osteoarthritis, and psoriatic arthritis), ankylosing spondylitis, bursitis, and other inflammatory disorders.
- May be used short-term for the management of collagen disorders including systemic lupus erythematosus, polymyositis, and acute rheumatic carditis.
- Used for the palliative care of certain leukemias and lymphomas.
- In people with endocrine disorders, mineralocorticoids such as hydrocortisone or cortisone are mostly preferred over prednisone; however, in certain circumstances prednisone may be given.
- Can help regain control over the inflammatory process associated with diseases such as ulcerative colitis and regional enteritis. May be used in the treatment of some kidney disorders.
- May be used short-term for a number of other conditions.
- Generic prednisone is available.
If you are between the ages of 18 and 60, take no other medication or have no other medical conditions, side effects you are more likely to experience include:
- Agitation or irritability, dizziness, indigestion, headache, an irregular heart beat, swelling, and mood changes are common side effects reported with short-term use. Facial hair growth (especially in women); high blood pressure and other cardiovascular effects; an increased appetite which may result in weight gain; slow skin healing and skin thinning; osteoporosis (brittle bones); the onset of diabetes; and stomach ulcers are associated with moderate-to-long term use.
- Prednisone increases a person's susceptibility to infection. The risk is greater with higher dosages. Some signs of an infection may be masked by prednisone. Some infections associated with prednisone use have been fatal, especially those associated with viral illnesses such as chickenpox or measles.
- Prednisone exacerbates systemic fungal infections and should not be used in people with systemic fungal disease (such as candidiasis or aspergillosis). Latent diseases (caused by pathogens such as amoeba, tuberculosis, or Toxoplasma) may also be activated.
- Side effects are more likely to be experienced at dosages greater than 7.5 mg/day and with long-term therapy. Long-term prednisone administration has been associated with the suppression of the hypothalamic-pituitary adrenal (HPA) axis (a complex interactive signaling and feedback system involving the hypothalamus, the pituitary gland, and the adrenal glands). Suppression of this axis can result in corticosteroid insufficiency - where natural corticosteroid levels are no longer adequate to maintain vital bodily processes - after withdrawal of treatment. For this reason, moderate-to-long-term prednisone therapy should be withdrawn gradually.
- The dosage of prednisone requires adjusting during times of stress.
- All corticosteroids, including prednisone, can cause salt and fluid retention, which may lead to blood pressure elevation and increased potassium excretion. Calcium excretion is also increased.
- Prolonged prednisone use may affect growth and development in children.
- Cataracts, glaucoma, eye infections, an increase in new episodes of optic neuritis and corneal perforation associated with herpes simplex of the eye, have all been reported with prednisone use.
- Alcohol should be limited or avoided to help reduce the risk of gastrointestinal side effects.
- With high doses of corticosteroids, live or live-attenuated vaccines should be delayed until several months after corticosteroid treatment has stopped.
- May not be suitable for some people including those with cardiovascular disease, low thyroid levels, gastrointestinal disease, pre-exisiting bone disease, or psychiatric disorders.
- May interact with a number of other drugs including some anti-infectives, antidiabetic agents, bupropion, NSAIDs, and drugs metabolized by CYP 3A4 liver enzymes.
Notes: In general, seniors or children, people with certain medical conditions (such as liver or kidney problems, heart disease, diabetes, seizures) or people who take other medications are more at risk of developing a wider range of side effects. For a complete list of all side effects, click here.
- Take with food and a full glass of water to reduce the risk of prednisone adversely affecting your stomach.
- Single doses are preferred over split doses; however, larger dosages may be split. Some people may be instructed to only take prednisone every other day (alternate day therapy).
- Take prednisone in the morning, before 9 AM (unless instructed otherwise) to more closely mimic your body's natural secretion of cortisol. Take your prednisone exactly as directed by your doctor. Never increase the dosage unless under your doctor's advice.
- Stopping prednisone suddenly can be dangerous. Your doctor will advise you on how to taper down your prednisone dose if you have been taking it for more than a few weeks.
- If you are taking higher dosages of prednisone, you should not receive any live or live-attenuated vaccines. Your response to killed or inactivated vaccines may also be diminished.
- Avoid contact with anybody known to have, or recently exposed to, viral illnesses such as chickenpox or measles. If you inadvertently come into contact with somebody, contact your doctor immediately as immune globulin or antiviral treatment may be required.
- Limit or avoid alcohol use while taking prednisone to help reduce the risk of indigestion and the development of stomach ulcers.
- Talk with your doctor as soon as possible if you are taking prednisone and you become unwell, for any reason.
Response and Effectiveness
- Prednisone takes approximately 60 minutes to be metabolized in the liver to its active form, prednisolone. Liver disease does not appear to affect metabolism. Effects can last from 18-36 hours, meaning that alternate day dosing is possible.
- Temporary dosage increases may be necessary during disease flare-ups or during times of stress or infection.
- Prednisone is five times more potent at relieving inflammation than naturally occurring cortisol.
Prednisone [Package Insert]. Revised 01/2017. West-Ward Pharmaceuticals Corp https://www.drugs.com/pro/prednisone.html
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- Drug class: glucocorticoids
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- Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use Prednisone only for the indication prescribed.
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