I've been experiencing left chest pain about 30 to 40 minutes after lying down to sleep, with some sweating. The pain continues, and I can't sleep in any position. For the last five days, I've been sleeping in a chair to avoid the pain. I have cholesterol of 290 and started taking Tonact TG last week. I'm also on Thyronorm 75 and Telmistran 40, with normal TSH and blood pressure. Could this pain be related to my medications or something else?

It sounds like you're experiencing discomfort that could be related to a few different factors, including your cholesterol and medications. Since the pain is persistent and affects your sleep, it's important to follow up with your doctor to rule out any heart-related issues and ensure the medications are working well for you. If the pain persists, consider an evaluation for possible musculoskeletal causes or other conditions that might be contributing.