Answer by  
                                                                                          Connie45 (1110)
                                                            
                          
                          
                                                          Used for type 2 diabetes mellitus, possible side effects of Glucophage are headache, dizziness, weakness, nausea, fatigue, diarrhea, heartburn, hypoglycemia, thrombocytopenia, and rash.  It is contraindicated in those with a history of lactic acidosis, congestive heart failure, elevated creatinine, and alcoholism.  It should be taken with caution by those who are pregnant or have thyroid problems.