Are there any precautions I should take while my child is taking isoniazid?
Yes, there are, but isoniazid is actually very well tolerated in children. Adults over 35 years of age are more likely to have some liver inflammation, and are screened with blood tests, but this is not typically needed in children unless they have known liver issues. If your child develops unexplained abdominal pain, vomiting, or jaundice (a yellowing of the skin and eyes) then you should contact your doctor. Your child may also experience an unpleasant reaction (headache, large pupils, neck stiffness, nausea, vomiting, diarrhea, sweating, itching, and chest pain) if they eat too much tyramine containing food, so those should be avoided or eaten in moderation. These foods include: aged cheeses, avocados, bananas, figs, raisins, beer, ale, caffeine (coffee, tea, colas), chocolate, meats prepared with tenderizer, liver, bologna, pepperoni, salami, sausage, meat extracts, caviar, dried or pickled fish, and tuna, red wine, sour cream and yogurt, soy products, and yeast. Some of those are