Seek immediate medical guidance if adverse symptoms develop
Preference between them often comes down to whether a patient can tolerate weekly injections or strongly prefers a pill
Seek immediate medical attention if you experience signs of a serious allergic reaction, including widespread rash or hives, swelling of the face, lips, tongue, or throat, difficulty breathing or swallowing, severe itching, dizziness, or rapid heartbeat
2024;261:e230361
The MHRA advises that metformin commonly reduces B12 levels and recommends testing if deficiency is suspected (for example, in patients with anaemia or neuropathy) and considering periodic monitoring in people with risk factors such as higher doses, longer duration of treatment, or other risk factors for deficiency
Patel, R., & Kumar, S