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Frequent and Serious
Sodium and fluid retention is most common in young infants and in adults and may precipitate congestive heart failure in patients with compromised cardiac reserve. It usually responds to diuretic therapy (See DRUG INTERACTIONS).
Infrequent but Serious
Diabetic ketoacidosis and hyperosmolar nonketotic coma may develop very rapidly. Conventional therapy with insulin and restoration of fluid and electrolyte balance is usually effective if instituted promptly. Prolonged surveillance is essential in view of the long half-life of PROGLYCEM® (See OVERDOSAGE).
Other frequent adverse reactions
Thrombocytopenia with or without purpura may require discontinuation of the drug. Neutropenia is transient, is not associated with increased susceptibility to infection, and ordinarily does not require discontinuation of the drug. Skin rash, headache, weakness, and malaise may also occur.
Other adverse reactions which have been observed are
Cardiovascular: hypotension occurs occasionally, which may be augmented by thiazide diuretics given concurrently. A few cases of transient hypertension, for which no explanation is apparent, have been noted. Chest pain has been reported rarely.
Hepato-renal: increased AST, alkaline phosphatase; azotemia, decreased creatinine clearance, reversible nephrotic syndrome, decreased urinary output, hematuria, albuminuria. Neurologic: anxiety, dizziness, insomnia, polyneuritis, paresthesia, pruritus, extrapyramidal signs. Ophthalmologic: transient cataracts, subconjunctival hemorrhage, ring scotoma, blurred vision, diplopia, lacrimation. Skeletal, integumentary; monilial dermatitis, herpes, advance in bone age; loss of scalp hair. Systemic: fever, lymphadenopathy. Other; gout acute pancreatitis/pancreatic necrosis, galactorrhea, enlargement of lump in breast.
Read the Proglycem (diazoxide capsules) Side Effects Center for a complete guide to possible side effects
Since diazoxide is highly bound to serum proteins, it may displace other substances which are also bound to protein, such as bilirubin or coumarin and its derivatives, resulting in higher blood levels of these substances. Concomitant administration of oral diazoxide and diphenylhydantoin may result in a loss of seizure control. These potential interactions must be considered when administering PROGLYCEM® (diazoxide capsules) Capsules or Suspension.
The concomitant administration of thiazides or other commonly used diuretics may potentiate the hyperglycemic and hyperuricemic effects of diazoxide.
Drug/Laboratory Test Interactions
The hyperglycemic and hyperuricemic effects of diazoxide preclude proper assessment of these metabolic states. Increased renin secretion, IgG concentrations and decreased cortisol secretions have also been noted. Diazoxide inhibits glucagon-stimulated insulin release and causes a false-negative insulin response to glucagon.
Read the Proglycem Drug Interactions Center for a complete guide to possible interactions
Last reviewed on RxList: 2/13/2009
This monograph has been modified to include the generic and brand name in many instances.
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