Guanfacine
Shares rank 7 of 8 ADHD medications by recommenders
People recommend it as an ADHD add-on that calms stimulant side effects and overactivity. Critics note it does little for sleep, which may worsen in children.
5 people recommended Guanfacine in Hacker News comments, 1 had mixed feelings and 2 criticized it, November 2025 to October 2026.
These are opinions from Hacker News comments, not medical advice. Talk to a doctor.
Summary written by Claude from 10 comments.
8 people gave an opinion
- recommend it
- 5
- mixed feelings
- 1
- warn against or regret it
- 2
The record
Recommended in 5 of 12 months
In 5 different threads.
- November 2025: not recommended
- December 2025: not recommended
- January 2026: not recommended
- February 2026: not recommended
- March 2026: not recommended
- April 2026: not recommended
- May 2026: recommended
- June 2026: not recommended
- July 2026: recommended
- August 2026: recommended
- September 2026: recommended
- October 2026: recommended
Why it doesn’t carry the badge
- 5 people recommend itNeeds 10 or more, not met.
- 2.5 recommenders for every criticNeeds 2 to 1 or better, met.
- Recommended in 5 of 12 monthsNeeds 4 or more, met.
- Recommended in 5 threadsNeeds 5 or more, met.
- The biggest thread supplies 20% of its recommendersNeeds half or less, met.
- A health productHealth and money products are never badged, not met.
The same rules apply to every product, and the badge can’t be bought. Mixed feelings count toward neither side. How the badge works
What people say about it
Reasons grouped from a sample of 10 of the 10 opinions about it, picked in proportion to how many people recommend it, have mixed feelings and criticize it. Each mark is one comment in the sample. Open a reason to read what they said.
Why people recommend it
Each mark is one comment
Calms overactivity and sympathetic arousal
“if your engine is always redlining, it sets a rate limiter and gives you the chance to look out the window”
Comment from 1 Sep 2026 in “Reverse engineering my ADHD test” “i also happen to have been recently RXd a drug called guanfacine which dampens sympathetic activity”
Comment from 15 Jul 2026 in “Sleep regularity is a stronger predictor of mortality risk than sleep duration”
What people warn about
Each mark is one comment
Little or worse effect on sleep
“it doesn’t really help with sleep. It’s only the first couple weeks that you feel drowsy from it”
Comment from 16 Jul 2026 in “Sleep regularity is a stronger predictor of mortality risk than sleep duration” “Guanfacine may worsen sleep in children with attention deficit hyperactivity disorder, including reduced total sleep time.”
Comment from 9 Oct 2026 in “ADHD as a circadian rhythm disorder: evidence and implications for chronotherapy (2025)”
Other ADHD medications people recommend
The four most recommended other ADHD medications, with the same counts for each, so you can compare like for like. The tick on each bar marks the 2 to 1 line the badge needs.
| Product | Recommend | Mixed | Criticize | Approval | Months | Had for | Badge |
|---|---|---|---|---|---|---|---|
| Adderall | 21 | 14 | 25 | 46% | 9 | — | — |
| Ritalin | 13 | 3 | 12 | 52% | 7 | — | — |
| Vyvanse | 13 | 6 | 12 | 52% | 7 | — | — |
| Dexamphetamine | 6 | 0 | 2 | 75% | 5 | — | — |
| GuanfacineThis page | 5 | 1 | 2 | 71% | 5 | — | — |
What people said
All 10 opinions about it, newest first. Each links to the original comment.
“guanfacine is my primary suspect”
“Guanfacine may worsen sleep in children with attention deficit hyperactivity disorder, including reduced total sleep time.”
“research shows that the best treatment are the recommended drugs”
“It seems worthy of pursuit”
“depending on your specific needs, guanfacine can be close. Once you get used to it, it can be just… constant +1 to wisdom.”
“if your engine is always redlining, it sets a rate limiter and gives you the chance to look out the window”
“Adding guanfacine (Intuniv) to my methylphenidate took the weird anxious-angry edge off.”
“it doesn’t really help with sleep. It’s only the first couple weeks that you feel drowsy from it”
“i also happen to have been recently RXd a drug called guanfacine which dampens sympathetic activity”
“this is the only one that seems to have made an impact”
Counts come from 1,791,911 Hacker News comments labeled by Claude, November 2025 to October 2026, with data through October 31, 2026. Counts updated 2 Nov 2026. How we count. Report a mistake.