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- What are the differences between prednisone vs. hydrocortisone?
- What are prednisone and hydrocortisone?
- What are the side effects of prednisone and hydrocortisone?
- What is the dosage for prednisone vs. hydrocortisone?
- What drugs interact with prednisone and hydrocortisone?
- Are prednisone and hydrocortisone safe to take while pregnant or breastfeeding?
What are the differences between prednisone vs. hydrocortisone?
- Prednisone and hydrocortisone are synthetic corticosteroids used for suppressing the immune system and inflammation. Both drugs are used to treat many conditions including arthritis, colitis, asthma, bronchitis, skin problems, and allergies.
- Corticosteroids including prednisone and hydrocortisone are commonly used to suppress the immune system and prevent the body from rejecting transplanted organs.
- Brand names of prednisone include Prednisone Intensol and Rayos. Brand names of hydrocortisone include A-Hydrocort, Solu-CORTEE, and Cortef.
- Common side effects of both prednisone and hydrocortisone include retention of sodium (salt) and fluid, weight gain, high blood pressure (hypertension), potassium loss, headache, muscle weakness, nausea, vomiting, acne, thinning skin, restlessness, and psychiatric disturbances (depression, euphoria, insomnia, mood swings, personality changes, and psychotic behavior).
- Prolonged use of prednisone or hydrocortisone can depress the ability of body's adrenal glands to produce corticosteroids. Abruptly stopping prednisone or hydrocortisone can cause symptoms of corticosteroid insufficiency, such as nausea, vomiting, weakness, fatigue, decreased appetite, weight loss, diarrhea, abdominal pain, and shock. Weaning off prednisone or hydrocortisone should occur gradually so that the adrenal glands have time to recover and resume production of cortisol.
What are prednisone and hydrocortisone?
Prednisone and hydrocortisone are synthetic (man-made) corticosteroids (steroids) used for suppressing the immune system and inflammation. These drugs have effects similar to other corticosteroids such as triamcinolone (Kenacort), methylprednisolone (Medrol), prednisolone (Prelone), and dexamethasone (DexPak).
These synthetic corticosteroids mimic the action of cortisol, the naturally-occurring corticosteroid produced in the body by the adrenal glands. There are numerous preparations of corticosteroids including tablets, capsules, liquids, topical creams and gels, inhalers, eye drops, as well as injectable and intravenous solutions.
What are the side effects of prednisone and hydrocortisone?
Side effects of prednisone and other corticosteroids range from mild annoyances to serious, irreversible organ damage, and they occur more frequently with higher doses and more prolonged treatment.
Common side effects include:
- Retention of sodium (salt) and fluid
- Weight gain
- High blood pressure
- Loss of potassium
- Muscle weakness
- Thinning skin
- Problems sleeping
- Serious side effects include:
- Puffiness of the face (moon face)
- Growth of facial hair
- Thinning and easy bruising of the skin
- Impaired wound healing
- Ulcers in the stomach and duodenum
- Worsening of diabetes
- Irregular menses
- Rounding of the upper back ("buffalo hump")
- Retardation of growth in children
- Anaphylaxis (severe allergic reactions like hives, itching, skin rash, swollen lips/tongue/face)
- Vision changes
- Congestive heart failure
- Heart attack
- Pulmonary edema
- Allergic dermatitis
- Low blood pressure
- Amenorrhea (lack of menstruation)
- Newly onset diabetes
This drug also causes psychiatric disturbances, which include:
Other possible serious side effects of this drug include:
Prednisone and diabetes: Prednisone is associated with new onset or manifestations of latent diabetes, and worsening of diabetes. Diabetics may require higher doses of diabetes medications while taking prednisone,
Allergic reaction: Some people may develop a severe allergic reaction (anaphylaxis) to prednisone that includes swelling of the airways (angioedema) that may result in shortness of breath or airway blockage.
Immune suppression: Prednisone suppresses the immune system and, therefore, increases the frequency or severity of infections and decreases the effectiveness of vaccines and antibiotics.
Osteoporosis: Prednisone may cause osteoporosis that results in fractures of bones. Patients taking long-term prednisone often receive supplements of calcium and vitamin D to counteract the effects on bones. Calcium and vitamin D probably are not enough, however, and treatment with bisphosphonates such as alendronate (Fosamax) and risedronate (Actonel) may be necessary. Calcitonin (Miacalcin) also is effective. The development of osteoporosis and the need for treatment can be monitored using bone density scans.
Adrenal insufficiency and weaning off prednisone: Prolonged use of prednisone and other corticosteroids causes the adrenal glands to atrophy (shrink) and stop producing the body's natural corticosteroid, cortisol.
Necrosis of hips and joints: A serious complication of long-term use of corticosteroids is aseptic necrosis of the hip joints. Aseptic necrosis is a condition in which there is death and degeneration of the hip bone. It is a painful condition that ultimately can lead to the need for surgical replacement of the hip. Aseptic necrosis also has been reported in the knee joints. The estimated incidence of aseptic necrosis among long-term users of corticosteroids is 3%-4%. Patients taking corticosteroids who develop pain in the hips or knees should report the pain to their doctors promptly.
Hydrocortisone side effects depend on the dose, the duration and the frequency of administration. Short courses of hydrocortisone usually are well tolerated with few and mild side effects. Long term, high doses of hydrocortisone usually will produce predictable, and potentially serious side effects. Whenever possible, the lowest effective doses of hydrocortisone should be used for the shortest possible length of time to minimize side effects. Alternate day dosing also can help reduce side effects.
Side effects of hydrocortisone and other corticosteroids range from mild to serious. Side effects include:
- fluid retention,
- weight gain,
- high blood pressure,
- potassium loss,
- muscle weakness,
- puffiness of and hair growth on the face,
- thinning and easy bruising of the skin,
- peptic ulceration,
- worsening of diabetes,
- irregular menses,
- growth retardation in children,
- convulsions, and
- psychic disturbances.
Psychic disturbances can include:
Hydrocortisone and other corticosteroids can mask signs of infection and impair the body's natural immune response to infection. Patients on corticosteroids are more susceptible to infections, and can develop more serious infections than healthy individuals. For instance, chickenpox and measles viruses can produce serious and even fatal illnesses in patients on high doses of hydrocortisone. Live virus vaccines, such as the small pox vaccine, should be avoided in patients taking high doses of hydrocortisone, since even vaccine viruses may cause disease in these patients.
Some infectious organisms, such as tuberculosis (TB) and malaria, can remain dormant in a patient for years. Hydrocortisone and other corticosteroids can reactivate dormant infections in these patients and cause serious illness. Patients with dormant TB may require anti-TB medications while undergoing prolonged corticosteroid treatment. Prolonged use of hydrocortisone can depress the ability of body's adrenal glands to produce corticosteroids.
Abruptly stopping hydrocortisone in these individuals can cause symptoms of corticosteroid insufficiency, with accompanying nausea, vomiting, and even shock. Therefore, withdrawal of hydrocortisone is usually accomplished by gradual tapering. Gradually tapering hydrocortisone not only minimizes the symptoms of corticosteroid insufficiency, it also reduces the risk of an abrupt flare of the disease under treatment. The insufficient adrenal gland function may not recover fully for many months after stopping hydrocortisone. These patients need additional hydrocortisone treatment during periods of stress, such as surgery, to avoid symptoms of corticosteroid insufficiency and shock, while the adrenal gland is not responding by producing its own corticosteroid.
Hydrocortisone impairs calcium absorption and new bone formation. Patients on prolonged treatment with hydrocortisone and other corticosteroids can develop osteoporosis and an increased risk of bone fractures. Supplemental calcium and vitamin D are encouraged to slow this process of bone thinning.
In rare individuals, destruction of large joints (aseptic necrosis) can occur while undergoing treatment with hydrocortisone or other corticosteroids. These patients experience severe pain in the joints involved, and can require joint replacements. The reason behind such destruction is not clear.
What is the dosage for prednisone vs. hydrocortisone?
The initial dosage of prednisone varies depending on the condition being treated and the age of the patient.
- It's recommended that you take this medication with food.
- The starting dose may be from 5 mg to 60 mg per day, and often is adjusted based on the response of the disease or condition being treated.
- Corticosteroids typically do not produce immediate effects and must be used for several days before maximal effects are seen. It may take much longer before conditions respond to treatment.
- When prednisone is discontinued after a period of prolonged therapy, the dose of prednisone must be tapered (lowered gradually) to allow the adrenal glands time to recover.
Hydrocortisone should be taken with food. The recommended dosage range is 10 mg to 300 mg per day depending on the disease administered in 3 to 4 divided doses
What drugs interact with prednisone and hydrocortisone?
Prednisone interacts with many drugs, examples include:
- Prednisone may interact with estrogens and phenytoin (Dilantin). Estrogens may reduce the action of enzymes in the liver that break down (eliminate) the active form of prednisone, prednisolone. As a result, the levels of prednisolone in the body may increase and lead to more frequent side effects.
- Phenytoin increases the activity of enzymes in the liver that break down (eliminate) prednisone and thereby may reduce the effectiveness of prednisone. Thus, if phenytoin is being taken, an increased dose of prednisone may be required.
- The risk of hypokalemia (high potassium levels in the blood) increases when corticosteroids are combined with drugs that reduce potassium levels (for example, amphotericin B, diuretics), leading to serious side effects such as heart enlargement, heart arrhythmias and congestive heart failure.
- Corticosteroids may increase or decrease the response warfarin (Coumadin, Jantoven). Therefore, warfarin therapy should be monitored closely.
- The response to diabetes drugs may be reduced because prednisone increases blood glucose.
- Prednisone may increase the risk of tendon rupture in patients treated with fluoroquinolone type antibiotics. Examples of fluoroquinolones include ciprofloxacin (Cipro) and levofloxacin (Levaquin).
- The elderly are especially at risk and tendon rupture may occur during or after treatment with fluoroquinolones.
- Combining aspirin, ibuprofen (Motrin) or other nonsteroidal anti-inflammatory agents (NSAIDS) with corticosteroids increases the risk of stomach related side effects like ulcers.
- Barbiturates, carbamazepine, rifampin and other drugs that increase the activity of liver enzymes that breakdown prednisone may reduce blood levels of prednisone. Conversely, ketoconazole, itraconazole (Sporanox), ritonavir (Norvir), indinavir (Crixivan), macrolide antibiotics such as erythromycin, and other drugs that reduce the activity of liver enzymes that breakdown prednisone may increase blood levels of prednisone.
- By interfering with the patient's immune response, hydrocortisone can impede the effectiveness of vaccinations.
- Hydrocortisone also can interfere with the tuberculin skin test and cause false negative results in patients with tuberculosis infection.
- Rifampin and phenytoin (Dilantin, Dilantin-125) may increase the elimination of hydrocortisone from the body, reducing its effectiveness.
- Troleandomycin and ketoconazole may reduce the elimination of hydrocortisone, possibly leading to increased side effects.
Are prednisone and hydrocortisone safe to take while pregnant or breastfeeding?
- Corticosteroids cross the placenta into the fetus. Compared to other corticosteroids, however, prednisone is less likely to cross the placenta. Chronic use of corticosteroids during the first trimester of pregnancy may cause cleft palate.
- Corticosteroids are secreted in breast milk and can cause side effects in the nursing infant. Prednisone is less likely than other corticosteroids to be secreted in breast milk, but it may still pose a risk to the infant.
Hydrocortisone has not been adequately evaluated during pregnancy.
Hydrocortisone can appear in breast milk, and can have adverse effects on the baby. Therefore, mothers taking hydrocortisone should discontinue nursing.
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