1 What is Hyperstat?

Brand: Hyperstat

Generic: Diazoxide

Hyperstat is a drug which is used to reduce elevated blood pressure in severe hypertension. This drug is available as an injection containing Diazoxide 300 milligrams in 20 milliliters.


You should read the product information leaflet before using this medication. If you have any questions, ask your doctor or pharmacist.

This medication is usually given by a health care professional as an injection. Your dosage is based on your medical condition and the way you will respond to treatment.

If you miss a dose, use it as soon as you remember. Continue to use it as prescribed by your doctor or as stated on the package label.


Hyperstat may interact with medications such as:

  • Drugs for high blood pressure such as:
    • Enalapril
    • Methyldopa
    • or Prazosin
  • Blood thinners such as:
    • Warfarin
  • Phenytoin
  • Thiazide diuretics such as:
    • Hydrochlorothiazide
    • or Chlorthalidone

Side Effects

There are no side effects known aside from a possible allergic reaction in people who have previous or unknown hypersensitivity to the drug.

Watch out for signs of allergic reactions such as:

  • Rash
  • Itching
  • Swelling


Before taking this medication, tell your doctor or pharmacist if you have the following:

  • Allergy to diazoxide or to other thiazides such as:
    • Hydrochlorothiazide
  • Low blood minerals (low potassium blood levels)
  • Diabetes
  • Heart disease
  • Kidney disease
  • Gout
  • Liver disease
  • Pregnancy or lactation