Drug Interactions between Dalalone LA and Myorisan
This report displays the potential drug interactions for the following 2 drugs:
- Dalalone LA (dexamethasone)
- Myorisan (isotretinoin)
Interactions between your drugs
dexAMETHasone ISOtretinoin
Applies to: Dalalone LA (dexamethasone) and Myorisan (isotretinoin)
MONITOR: Theoretical concerns exist that isotretinoin and corticosteroids may have additive effects on bone loss. Decreased bone mineral density (osteomalacia, osteopenia, osteoporosis) and bone fractures have been reported with either treatment alone during prolonged administration. Avascular necrosis has also been reported with corticosteroids, particularly when given in high dosages or for prolonged periods. However, no formal clinical trials have been conducted to evaluate whether there is an interactive effect on bone loss during coadministration.
MANAGEMENT: Caution is advised when isotretinoin is used in combination with corticosteroids, particularly in patients with a history of osteomalacia, osteoporosis, or other disorders of bone metabolism. Bone-related laboratory and radiological tests should be considered.
References
- Need AG, Philcox JC, Hartley TF, Nordin BE "Calcium metabolism and osteoporosis in cortiscosteroid-treated postmenopausal women." Aust N Z J Med 16 (1986): 341-6
- Mitchison HC, Bassendine MF, Malcolm AJ, et al. "A pilot, double-blind, controlled 1-year trial of prednisolone treatment in primary biliary cirrhosis: hepatic improvement but greater bone loss." Hepatology 10 (1989): 420-9
- McCluskey J, Gutteridge DH "Avascular necrosis of bone after high doses of dexamethasone during neurosurgery." Br Med J (Clin Res Ed) 284 (1982): 333-4
- Anderton JM, Helm R "Multiple joint osteonecrosis following short-term steroid therapy. Case report." J Bone Joint Surg Am 64 (1982): 139-41
- Taylor LJ "Multifocal avascular necrosis after short-term high-dose steroid therapy. A report of three cases." J Bone Joint Surg Br 66 (1984): 431-3
- Fast A, Alon M, Weiss S, Zer-Aviv FR "Avascular necrosis of bone following short-term dexamethasone therapy for brain edema. Case report." J Neurosurg 61 (1984): 983-5
- Black KA, Khangure MS, Owen ET "Dexamethasone and osteonecrosis." Aust N Z J Med 11 (1981): 521-5
- Sambrook PN, Hassall JE, York JR "Osteonecrosis after high dosage, short term corticosteroid therapy." J Rheumatol 11 (1984): 514-6
- Archer AG, Nelson MC, Abbondanzo SL, Bogumill GP "Case report 554: Osteonecrosis at multiple sites as noted." Skeletal Radiol 18 (1989): 380-4
- Williams IA, Mitchell AD, Rothman W, Tallett P, Williams K, Pitt P "Survey of the long term incidence of osteonecrosis of the hip and adverse medical events in rheumatoid arthritis after high dose intravenous methylprednisolone." Ann Rheum Dis 47 (1988): 930-3
- Bijlsma JW, Duursma SA, Bosch R, Raymakers JA, Huber-Bruning O "Acute changes in calcium and bone metabolism during methylprednisolone pulse therapy in rheumatoid arthritis." Br J Rheumatol 27 (1988): 215-9
- Mizuta H, Kubota K, Shiraishi M, Kai K, Nakamura E, Takagi K "Steroid-related bilateral osteonecrosis of the patella." Arthroscopy 9 (1993): 114-6
- "Product Information. Accutane (isotretinoin)." Roche Laboratories PROD (2001):
- Marystone JF, Barrettconnor EL, Morton DJ "Inhaled and oral corticosteroids: their effects on bone mineral density in older adults." Am J Public Health 85 (1995): 1693-5
- Packe GE, Douglas JG, McDonald AF, Robins SP, Reid DM "Bone density in asthmatic patients taking high dose inhaled beclomethasone diproprionate and intermittent systemic corticosteroids." Thorax 47 (1992): 414-7
- Cruess RL "Experience with steroid-induced avascular necrosis of the shoulder and etiologic considerations regarding osteonecrosis of the hip." Clin Orthop Jan-Feb(13 (1978): 86-93
- Saisu T, Sakamoto K, Yamada K, Kashiwabara H, Yokoyama T, Iida S, Harada Y, Ikenoue S, Sakamoto M, Moriya H "High incidence of osteonecrosis of femoral head in patients receiving more than 2 g of intravenous methylprednisolone after renal transplantation." Transplant Proc 28 (1996): 1559-60
- Ledford D, Apter A, Brenner AM, Rubin K, Prestwood K, Frieri M, Lukert B "Osteoporosis in the corticosteroid-treated patient with asthma." J Allergy Clin Immunol 102 (1998): 353-62
- Goldstein MF, Fallon JJ, Harning R "Chronic glucocorticoid therapy-induced osteoporosis in patients with obstructive lung disease." Chest 116 (1999): 1733-49
Drug and food interactions
ISOtretinoin food
Applies to: Myorisan (isotretinoin)
GENERALLY AVOID: The combined use of ethanol and isotretinoin may result in a disulfiram-like reaction. The mechanism has not been established.
MANAGEMENT: Alcohol consumption should be avoided during isotretinoin therapy.
References
- "Product Information. Accutane (isotretinoin)." Roche Laboratories PROD (2001):
Therapeutic duplication warnings
No warnings were found for your selected drugs.
Therapeutic duplication warnings are only returned when drugs within the same group exceed the recommended therapeutic duplication maximum.
See also
Drug Interaction Classification
Highly clinically significant. Avoid combinations; the risk of the interaction outweighs the benefit. | |
Moderately clinically significant. Usually avoid combinations; use it only under special circumstances. | |
Minimally clinically significant. Minimize risk; assess risk and consider an alternative drug, take steps to circumvent the interaction risk and/or institute a monitoring plan. | |
No interaction information available. |
Further information
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.
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