Some medications can cause itchy skin, including over-the-counter aspirin (Bayer), prescription-strength opioids, and even ...

If you've got itchy skin, it could be that a microbe making its home on your body has produced a little chemical that's directly acting on your skin's nerve cells and triggering the urge to scratch.

Beta-alanine in pre-workout can cause itchiness, especially in high doses. This symptom typically resolves within 1 hour. To reduce this, people take split the dose or use a slow release formula. Beta ...