Interactions and overdose

While taking Atovaquone proguanil with other drugs, the effects of the drug may change and the risk of side effects may increase if you are not careful. To prevent medicine interactions from happening, you should always inform your doctor or pharmacist about all the other medical products you are using, whether they are prescription, non-prescription, or herbal. While you are using Atovaquone proguanil, you should not stop or start any new drugs without your doctor’s approval.

Some of the medications that interact with Atovaquone proguanil include:

  • Penicillamine
  • Blood thinners like warfarin
  • Metoclopramide
  • Rifampin
  • Rifabutin
  • Tetracycline
  • Indinavir

This is not the complete list of all possible interactions, so before starting to use the drug, ask your doctor about possible interactions. Keep a list of all your medications with you and share these with your doctor or pharmacist before you receive your diagnosis.

If you ever suspect overdose while using Atovaquone proguanil, contact your nearest poison control centre or emergency room immediately.