Why does my arms keep going numb?

This can be an adverse side effect of the blood pressure medications atenolol and Lisinopril or if you have neck injuries or nerve injuries these can also cause numbness and tingling.
When I started and then stopped metoprolol which is a beta blocker, I had numbness and tingling throughout my body and many other cardiac like symptoms such as chest pain, muscle tightness, neck inflammation, neck pain, body pain, bone pain, artery inflammation in my neck, swelling of my knee and I did go for testing which turned out all negative. I hope you take note of how you feel when the medications are wearing off; that's how I figured out what caused the adverse side effects of metoprolol and other medications. If you develop a side effect after taking a medication I think it's a safe and reasonable conclusion that the medication caused the side effect.

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Dr. Siva Arunasalam, M.D., Medical Director of the High Desert Heart Institute in California did a clinical study on 35 of his patients with serious cardiovascular conditions or diseases related to poor cardiovascular health. Sounds like you would qualify as one of those patients. Dr. Siva gave these heart failure patients, some of which were on the donor list for a new heart, a high quality L-Arginine supplement. After 90 days on this supplement, some of these patients that were originally considered "no-option" patients because all that could medically be done for them had been exhausted, some of these patients were able to come OFF the donor list.

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