Positives

• One long-COVID patient reported that taking hydroxyzine nightly for eight months “abated 90% of my symptoms,” noting that symptoms returned if the medication was skipped Reddit.
  
  
• A patient went from bedbound to mild symptoms after starting hydroxyzine 25 mg, initially twice daily, then tapering to once or twice a week—with neurological symptoms completely resolved after five months Reddit.
  
  
• One patient found hydroxyzine helped them sleep through the night for the first time since developing long COVID, which they credited with jumpstarting broader recovery Reddit.
  
  

Negatives

• Hydroxyzine averages only 5.6/10 across 951 anxiety reviews on Drugs.com, with 37% of reviewers reporting a negative experience; one reviewer described feeling “jittery, anxious, and restless” instead of calm, and another said it kept them “up all night” feeling “like I was on a stimulant” Drugs.com.
• On Drugs.com's sedation reviews, patients say they wake up “like a zombie” the morning after, and one user reported the drug made them sleepy but produced “a lot of jerking and a panicky feeling as I’m falling asleep” Drugs.com.

Hurdles & Side Effects

• The sedating effects that help with sleep can cause excessive daytime drowsiness, which some patients found difficult to manage alongside existing fatigue Reddit.
  
  
• As an antihistamine, hydroxyzine may lose effectiveness over time if tolerance builds, requiring dose adjustments according to several forum posters Reddit.