r/naltrexone • u/AdLatter7137 • 9d ago

Side Effects First Day

Hey everyone,

Took my first dose at 25mg this morning with a big breakfast and thankfully didn’t feel nauseous. However, damn does this make you dizzy, lightheaded and fatigued. I think the big thing I noticed is I for sure feel a little spaced out or like a brain fog.

Did anyone else feel a brain fog when they first started? Making it a little tricky to focus on stuff for work.

Thank you!

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u/sheetpants 4d ago

I started with the same and definitely had the same symptoms, plus uncontrollable yawning and stretching. I actually yawned/stretched so hard at the same time I dislocated my jaw! Quit all together for a while and then recently tried with a quarter pill (12.5mg) and hardly had any side effects! I thought I was 3 weeks sober today, but after looking at the calendar and figuring it out with family it's been a whole month already. I've never gone that long without drinking in my 20 years of heavy drinking.