What side effects may I notice from receiving Benznidazole?

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
-breathing problems
-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):

-diarrhea
-dizziness
-headache
-nausea, vomiting
-stomach pain

This list may not describe all possible side effects for Benznidazole. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.