Metformin

How should you use this medication?
Take this medication by mouth with a glass of water. Follow the directions on the prescription label. Take this medication with food. Take your medication at regular intervals. Do not take your medication more often than directed. Do not stop taking except on your care team’s advice. Talk to your care team about the use of this medication in children. Special care may be needed.

What are the possible side effects of this medicine?
Side effects that you should report to your care team as soon as possible:

Allergic reactions-skin rash, itching, hives, swelling of the face, lips, tongue, or throat
High lactic acid level-muscle pain or cramps, stomach pain, trouble breathing, general discomfort or fatigue
Low vitamin B12 level-pain, tingling, or numbness in the hands or feet, muscle weakness, dizziness, confusion, difficulty concentrating Side effects that usually do not require medical attention (report to your care team if they continue or are bothersome):
Diarrhea
Gas
Headache
Metallic taste in mouth
Nausea

Show all possible side effects

What may interact with this medicine?
Our pharmacists will check to see if this medication will cause any interactions with the information in your profile.
Do not take this medication with any of the following:

Certain contrast medications given before X-rays, CT scans, MRI, or other procedures
Dofetilide This medication may also interact with the following:
Acetazolamide
Alcohol
Certain antivirals for HIV or hepatitis
Certain medications for blood pressure, heart disease, irregular heart beat
Cimetidine
Dichlorphenamide
Digoxin
Diuretics
Estrogens, progestins, or birth control pills
Glycopyrrolate
Isoniazid
Lamotrigine
Memantine
Methazolamide
Metoclopramide
Midodrine
Niacin
Phenothiazines like chlorpromazine, mesoridazine, prochlorperazine, thioridazine
Phenytoin
Ranolazine
Steroid medications like prednisone or cortisone
Stimulant medications for attention disorders, weight loss, or to stay awake
Thyroid medications
Topiramate
Trospium
Vandetanib
Zonisamide