What is the most important information I should know about oral diazoxide?
You should not take this medicine to treat occasional low blood sugar caused by diet.
What is diazoxide?
Diazoxide raises blood sugar by slowing the release of insulin from the pancreas.
Diazoxide is used to treat low blood sugar (hypoglycemia) caused by certain cancers or other conditions that can make the pancreas release too much insulin. This medicine is for use in adults and children as young as infants.
Diazoxide may also be used for purposes not listed in this medication guide.
What should I discuss with my healthcare provider before taking diazoxide?
You should not take this medicine if you are allergic to diazoxide or to certain heart or blood pressure medicines such as hydrochlorothiazide (HCTZ), HydroDiuril, Hyzaar, Lopressor HCT, Vaseretic, Zestoretic, and others.
You should not take diazoxide to treat occasional low blood sugar caused by diet.
To make sure diazoxide is safe for you, tell your doctor if you have:
- congestive heart failure;
- high blood pressure;
- kidney disease;
- gout; or
- low levels of potassium in your blood (hypokalemia).
It is not known whether this medicine will harm an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant.
It is not known whether diazoxide passes into breast milk or if it could harm a nursing baby. You should not breast-feed while using this medicine.
How should I take diazoxide?
Follow all directions on your prescription label. Your doctor may occasionally change your dose to make sure you get the best results. Do not take this medicine in larger or smaller amounts or for longer than recommended.
Shake the oral suspension (liquid) well just before you measure a dose. Measure liquid medicine with the dosing syringe provided, or with a special dose-measuring spoon or medicine cup. If you do not have a dose-measuring device, ask your pharmacist for one.
Diazoxide is usually taken every 8 to 12 hours. Take the medicine at the same time intervals each day.
Diazoxide usually begins to work within 1 hour, and its effects can last up to 8 hours.
Your blood sugar will need to be checked often, and your urine may also need to be tested for ketones. Call your doctor at once if you have abnormal test results. You may need other blood tests at your doctor's office.
Diazoxide is only part of a treatment program that may also include diet. Follow your doctor's instructions very closely.
Do not share this medicine with another person, even if they have the same symptoms you have.
Store at room temperature away from moisture, heat, and light.
If your condition does not improve after taking diazoxide for 2 to 3 weeks, stop taking diazoxide and talk to your doctor.
What happens if I miss a dose?
Take the missed dose as soon as you remember. Skip the missed dose if it is almost time for your next scheduled dose. Do not take extra medicine to make up the missed dose.
What happens if I overdose?
Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.
Overdose symptoms may include extreme thirst or very dry mouth, fruity breath odor, stomach pain, vomiting, increased urination, confusion, and high ketones in the urine.
What should I avoid while taking diazoxide?
Do not use other medications unless your doctor tells you to.
What are the possible side effects of diazoxide?
Get emergency medical help if you have signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.
Call your doctor at once if you have:
- blurred vision, tunnel vision, eye pain, or seeing halos around lights;
- breathing problems in an infant or newborn treated with diazoxide;
- shortness of breath (even with mild exertion), swelling, rapid weight gain;
- a light-headed feeling, like you might pass out; or
-
signs of high blood sugar (hyperglycemia) such as increased thirst, increased urination, hunger, dry mouth, fruity breath odor, drowsiness, dry skin, blurred vision, and weight loss.
Common side effects may include:
- pounding heartbeats or fluttering in your chest;
- swelling in your hands, ankles, or feet;
- fine hair growth on the face, arms, and back (especially in women or children);
- nausea, vomiting, stomach pain, loss of appetite;
- diarrhea, constipation; or
- decreased sense of taste.
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
What other drugs will affect diazoxide?
Tell your doctor about all your current medicines and any you start or stop using, especially:
- a diuretic (water pill); or
- a blood thinner such as warfarin (Coumadin, Jantoven).
This list is not complete. Other drugs may interact with diazoxide, including prescription and over-the-counter medicines, vitamins, and herbal products. Not all possible interactions are listed in this medication guide.
Where can I get more information?
Your pharmacist can provide more information about diazoxide.
Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.
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