What is this medicine?
SULFISOXAZOLE (sul fi SOX a zole) is a sulfonamide antibiotic. It is used to treat certain kinds of bacterial infections. It will not work for colds, flu, or other viral infections.
How should I use this medicine?
Take this medicine by mouth. Follow the directions on the prescription label. Shake well before using. Use a specially marked spoon or dropper to measure each dose. Ask your pharmacist if you do not have one. Household spoons are not accurate. Take your medicine at regular intervals. Do not take your medicine more often than directed. Take all of your medicine as directed even if you think you are better. Do not skip doses or stop your medicine early.
Talk to your pediatrician regarding the use of this medicine in children. While this drug may be prescribed for children as young as 2 months old for selected conditions, precautions do apply.
What side effects may I notice from receiving this medicine?
Side effects that you should report to your doctor or health care professional as soon as possible:
allergic reactions like skin rash, itching or hives, swelling of the face, lips, or tongue
bluish fingernails or lips
fast, irregular heartbeat
fever or sore throat
joint or muscle pain
red pinpoint spots on skin
skin rash, redness, blistering, peeling or loosening of the skin, including inside the mouth
trouble passing urine or change in the amount of urine
unusual bleeding or bruising
unusually weak or tired
yellowing of the eyes or skin
Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):
loss of appetite
What may interact with this medicine?
Do not take this medicine with any of the following medications:
some local anesthetics used in medical procedures like benzocaine, chloroprocaine, cocaine, procaine, and tetracaine
This medicine may also interact with the following medications:
certain medicines for diabetes like glipizide, glyburide
medicines that treat or prevent blood clots like warfarin
What if I miss a dose?
If you miss a dose, take it as soon as you can. If it is almost time for your next dose, take only that dose. Do not take double or extra doses.
Where should I keep my medicine?
Keep out of the reach of children.
Store at room temperature between 15 and 30 degrees C (59 and 86 degrees F). Do not freeze. Protect from light. Throw away any unused medicine after finishing your treatment. Expired medicine can be harmful.
What should I tell my health care provider before I take this medicine?
They need to know if you have any of these conditions:
glucose-6-phosphate dehydrogenase (G6PD) deficiency
an unusual or allergic reaction to sulfisoxazole, sulfite preservatives, furosemide or thiazide diuretics, oral diabetes medicines, or other medicines, foods, dyes, or preservatives
pregnant or trying to get pregnant
What should I watch for while using this medicine?
Tell your doctor or health care professional if your symptoms do not start to get better or if you get a skin rash. Drink several glasses of water a day to reduce the risk of kidney problems. If you are taking this medicine for a long time you will need regular blood tests.
Do not treat diarrhea with over the counter products. Contact your doctor if you have diarrhea that lasts more than 2 days or if it is severe and watery.
If you are a diabetic monitor your blood sugar carefully. If your blood sugar reading is unusual, stop taking this medicine and call your doctor for advice.
This medicine can make you more sensitive to the sun. Keep out of the sun. If you cannot avoid being in the sun, wear protective clothing and use a sunscreen. Do not use sun lamps or tanning beds/booths.