What is this medicine?
BENZNIDAZOLE (benz nid' a zole) is an anti-infective. It is used to treat certain parasite infections.
How should I use this medicine?
Take this medicine by mouth with a glass of water. Take with or without food. Some tablets may be broken at score lines as directed. Tablets may also be crushed and mixed with water and made into a slurry. Follow the directions on the prescription label or those given to you by your pharmacist. 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 years 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
fever or chills, sore throat
pain, tingling, numbness in the hands or feet
rash, fever, and swollen lymph nodes
redness, blistering, peeling, or loosening of the skin, including inside the mouth
unusual bleeding or bruising
unusually weak or tired
Side effects that usually do not require medical attention (report these to your doctor or health care professional if they continue or are bothersome):
What may interact with this medicine?
Do not take this medicine with any of the following medications:
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 between 20 and 25 degrees C (68 and 77 degrees F). Keep container tightly closed and protect from moisture. Throw away any unused medicine after the expiration date.
What should I tell my health care provider before I take this medicine?
They need to know if you have any of these conditions:
if you drink alcohol
low blood counts, like low white cell, platelet, or red cell counts
tingling of the fingers or toes, or other nerve disorder
an unusual or allergic reaction to benznidazole, 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 healthcare provider if your symptoms do not start to get better or if they get worse.
This medicine may cause serious skin reactions. They can happen weeks to months after starting the medicine. Contact your healthcare provider right away if you notice fevers or flu-like symptoms with a rash. The rash may be red or purple and then turn into blisters or peeling of the skin. Or, you might notice a red rash with swelling of the face, lips or lymph nodes in your neck or under your arms.
Avoid alcoholic drinks and products containing alcohol while you are taking this medicine and for at least 3 days afterward. Alcohol may make you feel dizzy, sick, or flushed.
Do not become pregnant while taking this medicine. Women should inform their doctor if they wish to become pregnant or think they might be pregnant. If you are a female who can become pregnant, you should use effective birth control during treatment and for at least 5 days after treatment. There is a potential for serious side effects to an unborn child. Talk to your healthcare provider or pharmacist for more information.