Please adhere to your doctors instructions regarding the dose and duration of Btquin 200mg Tablet You may take it with or without food preferably at a consistent time It is important not to miss any doses and complete the full course of treatment even if you start feeling better Do not take a double dose to compensate for a missed one Instead continue with the next scheduled dose Possible side effects of this medication may include nausea and stomach pain Generally these side effects are temporary and resolve on their own However if they bother you or persist for a longer period please consult your doctor Diarrhea may also occur as a side effect but it should stop when you finish your course of treatment Inform your doctor if it persists or if you notice blood in your stools If you are allergic to any components of this medicine do not take it In rare cases some individuals may experience a severe allergic reaction which requires immediate medical attention Signs of such a reaction include rash swelling of the lips tongue or face shortness of breath or difficulty breathing If you have kidney problems extra caution should be exercised while taking this medication