Known side effects of Tonoferon Drops include Nausea, stomach upset, abdominal pain, constipation, diarrhea, dark/black stools, metallic taste, teeth staining (with liquid iron). Not everyone experiences these side effects.
This is not an exhaustive list. Consult your doctor if you notice any unusual symptoms.
Tonoferon Drops may interact with the following:
Always tell your doctor about all medicines you are taking, including over-the-counter drugs and supplements.