Compare Tenex vs. Cafergot

Head-to-head comparisons of medication uses, side effects, ratings, and more.

Tenex
(Guanfacine)

Cafergot
(Ergotamine / Caffeine)

Treats ADHD and lowers blood pressure. Tenex (Guanfacine) can be used to treat both blood pressure and ADHD, but it's not recommended as a first-line treatment for either problem.Coming soon.
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Reviews & ratings
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Have you used Tenex (Guanfacine)?
Worth itNot sureNot worth it

Not enough reviews for this drug. Help someone out, leave a review!

Have you used Cafergot (Ergotamine / Caffeine)?
Worth itNot sureNot worth it
Side effects
TenexCafergot
  • Drowsiness 31%
  • Fatigue 8%
  • Dizziness 7%
  • Headache 5%
More Tenex side effects »

We haven’t found good data for Cafergot side effects.

FDA side effect reports for Cafergot »
How it works
TenexCafergot
Tenex (Guanfacine) is a centrally-acting alpha agonist medication. It lowers blood pressure by slowing down the heart rate and relaxing the blood vessels. It's not clear how Tenex (Guanfacine) works in ADHD, but it's used when stimulants haven't worked or can't be used in people.Coming soon.
Type of medication
TenexCafergot
Antihypertensive
Alpha agonist
Prescription only
Coming soon.
Available as
TenexCafergot
  • Pill
  • Extended release
  • Pill
  • Suppository
Used for (click to learn more)
TenexCafergot
  • Migraine Vascular headache
Risk factors for serious side effects
TenexCafergot
  • Taking other medications that cause sedation or sleepiness
  • Stopping Tenex (Guanfacine) suddenly to treat high blood pressure
Detailed Tenex (Guanfacine) risks & warnings »
Coming soon.
Pregnancy

Research studies with animals haven’t found a risk to unborn babies, but it hasn’t been properly studied in humans.

Research studies with real people or animals found harmful effects on unborn babies. If you’re pregnant, the risks to your unborn baby outweigh the benefits.

Alcohol
TenexCafergot
  • Limit the amount of alcohol you drink while taking this.
No alcohol related info.
Sleep
TenexCafergot
  • You can feel sleepy the first few times you take it, or when your dose is increased. Don't drive or do anything that requires concentration until you know how the medication affects your body.
  • People report having sleepiness or sedation while on Tenex (Guanfacine). You're at higher risk for this if you're taking other medications that have similar effects. Don't drive or do anything that requires concentration until you know how Tenex (Guanfacine) affects you.
No sleep related info.
Upsides and benefits
TenexCafergot
  • The same medication treats two different things, high blood pressure and attention deficit hyperactivity disorder (ADHD).
  • It's not a "controlled medication".
  • Used to control ADHD when stimulant medications haven't worked or can't be used due to other medical problems.
  • Available as a generic medication, so it should be more affordable than other options.
Coming soon
Downsides and risks
TenexCafergot
  • Doesn't control ADHD as well as stimulants do, so it's used as a second-line medication.
  • Not a preferred drug to control blood pressure.
  • Can't be stopped suddenly, especially for blood pressure, since the blood pressure can dramatically increase.
Coming soon
Tips from our pharmacists for people taking the medication
TenexCafergot
  • Don't stop taking Tenex (Guanfacine) without talking to your doctor first.
  • Limit the amount of alcohol you drink while taking this.
  • Drink plenty of liquids and don't get overheated while taking Tenex (Guanfacine).
  • You can feel sleepy the first few times you take it, or when your dose is increased. Don't drive or do anything that requires concentration until you know how the medication affects your body.
  • Can take up to 2 weeks for the maximum effect.
Coming soon
Learn more
More about TenexSide effectsReviews & ratingsAlternativesFDA package insert
Have you used Tenex (Guanfacine)?
Worth itNot sureNot worth it
More about CafergotSide effectsFDA package insert
Have you used Cafergot (Ergotamine / Caffeine)?
Worth itNot sureNot worth it