Not Medical Advice: The pill with M D5 has been identified as Diclofenac potassium 50 mg**.
Diclofenac is used to relieve pain and swelling (inflammation) from various mild to moderate painful conditions. It is used to treat muscle aches, backaches, dental pain, menstrual cramps, and sports injuries. It also reduces pain, swelling, and joint stiffness caused by arthritis.
Common side effects include:
If any of these effects persist or worsen, tell your doctor or pharmacist promptly.
Whether your pain has just come on or you’ve lived with it for years, there are some tried-and-tested self-help steps can bring you relief. Check out 10 surefire ways to ease pain at NHS Choices.