TMI-Sharp Stabbing Pain in Nipple


So, today I started getting a sharp stabbing pain in my left nipple—feels like I’m being electrocuted. They last anywhere from a few seconds to a minute. Don’t remember having this with my first and was wondering if anyone is/has experienced this, knows if it’s normal, and if anyone had found anything that helps to relieve it? I’m 21 weeks and have had crusty what I assume to be dried up colostrum in my nipples since around 16 weeks.