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The following drugs can interact with diazoxide. Tell your doctor if you have recently taken any of these:

• a diuretic (water pill);

• chlorpromazine (Thorazine);

• phenytoin (Dilantin);

• a blood thinner such as warfarin (Coumadin); or

• drugs to treat high blood pressure or a prostate disorder, such as alfuzosin (Uroxatral), doxazosin (Cardura), prazosin (Minipress), terazosin (Hytrin), tamsulosin (Flomax).

This list is not complete and there may be other drugs that can interact with diazoxide. Tell your doctor about all the prescription and over-the-counter medications you use. This includes vitamins, minerals, herbal products, and drugs prescribed by other doctors. Do not start using a new medication without telling your doctor.

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Call your doctor at once if you have a serious side effect such as:

• shortness of breath, swelling in your hands or feet;

• rapid pulse;

• fast or pounding heartbeats;

• chest pain;

• blurred vision, eye pain, or seeing halos around lights;

• easy bruising or bleeding, unusual weakness;

• fever, chills, body aches, flu symptoms;

• urinating less than usual; or

• feeling like you might pass out.

Less serious side effects may include:

• temporary increase in growth of body hair (especially in women and children;

• nausea, vomiting, stomach pain, loss of appetite;

• diarrhea;

• decreased sense of taste;

• headache, dizziness, anxiety;

• weakness; or

• mild itching or skin rash.

This is not a complete list of side effects and others may occur. Tell your doctor about any unusual or bothersome side effect.