TOPICAL STEROID PREPARATION
International Brand Name:
Dexacor,Dexasone, Decadron, Hexadrol
1.Susceptibility to infection
7.Atrophy of adrenal cortex(on prolonged therapy)
8.Suppression of adrenocorticotropic hormone
10.Inhibition of growth in children
20.Delayed wound healing
27.Posterior sub capsular cataract
30.Increased intracranial pressure
3.Stinging in the eye
1.Hypersensitivity to the drug
5.Systemic fungal infections
7.Congestive heart failure
1.Avoid sudden discontinuation of the drug
2.Use lower dosages as much as possible
3.Ocular herpes simplex
7.Recent myocardial infarction
17.Non specific Ulcerative colitis
19.Recent intestinal anastomosis
2.Contact lens wearer
ENDOCRINE SYSTEM: Barbiturates: Decreases efficacy of dexamethasone.
Carbamazepine, Primidone: Decreases efficacy.
Oral contraceptives: Increases efficacy of dexamethasone.
Ephedrine: Decrease efficacy of dexamethasone.
Oestrogens: Decrease efficacy of dexamethasone
Hydantoins: Decrease efficacy of dexamethasone
Ketoconazole: Increase efficacy of dexamethasone
Rifampicin: Decreases efficacy.
Dexamethasone effects the actions of the following:
Anticholinesterases: Efficacy antagonised in myasthenia gravis.
Oral anticoagulants: Altered response.
Cyclosporine: Increased cyclosporine efficacy leading to enhanced toxicity.
Digitalis glycosides: Increased toxicity associated with hypokalaemia.
Isoniazid: Decreased serum levels of isoniazid.
Salicylates: Decreased serum levels of salicylates.
Diuretics: Increase efficacy may cause increased hypokalaemia and increased hyperglycemia.
Non-depolarising muscle relaxants: Altered response.
Theophyllines: Altered response of either agent.
IUCDs: contraceptive failure.
Lab. Tests: a) Increases serum cholesterol levels.
Increases urine glucose levels.
Decreases Thyroid I131 uptake. Decreases T3 serum levels. Decreases serum potassium.
Brain Scan: Dexamethasone alters result of brain scan due to decreased uptake of radioactive material.
Oral: 0.5 to 10mg/day depending up on the severity of the condition.
I.M. or I.V.: 0.5 to 20mg/day I.M. or as slow I.V. injection depending up on the severity of the condition; repeated as required up to 80mg/day.
Antiemetic: 4 to 8 mg by mouth immediately before moderately-emetogenic chemotherapy and 20 mg by intravenous injection for more severely emetogenic chemotherapy.
Children: 100mcg to 500mcg/kg/day