Prescription onlyLower-cost generic availableClass: Cardiovascular



Prescription onlyLower-cost generic availableClass: Cardiovascular
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Lowers blood pressure.

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Our bottom line

Catapres (Clonidine) is a good addition if you need more than one medicine to control your blood pressure, but it has a lot of side effects. You can't miss doses.

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What is GoodRx?


  • Can be added to other blood pressure-lowering medicines if you need additional blood pressure control.
  • Available in a weekly patch for people that aren't good at taking medicine by mouth.
  • Works in the brain, so it can help treat some nervous system and psychiatric conditions.
  • Under the brand name Kapvay, it's used to treat ADHD in children and teenagers.
People say this drug is:
78 reviews


  • Has a lot of side effects compared to other blood pressure-lowering medicine because it works in the brain.
  • The pill form can make some people sleepy, dizzy, and have dry mouth.
  • You can't miss doses. Stopping Clonidine suddenly can cause your blood pressure to go up suddenly, which raises the risk of heart attack and stroke.
How it works

Catapres (Clonidine) is an alpha-2 agonist. It works in the brain to tell your blood vessels to relax, and it lowers the activity of certain stress hormones. This lowers blood pressure.

What to expect when you take Catapres (clonidine) for Lowers blood pressure

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Side effect rates for Catapres (clonidine)

101 From clinical trials of Catapres / High blood pressure (Patch)
  • Redness/itching / pruritis
  • Dry mouth
  • Drowsiness
  • Skin blistering
  • Fatigue
  • Headache
  • Skin or nail darkening
  • Allergic contact sensitization
  • Burning
  • Lack of energy

Risks and Warnings for Catapres (clonidine)

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    • Higher risk if:
    • Sudden discontinuation of medicine

    Stopping Catapres (Clonidine) suddenly can cause agitation, headache, tremors, or have a sudden rise of blood pressure that can result in complications. Catapres (Clonidine) should be stopped over 2-4 days with the guidance of a doctor. If using with a beta blocker medicine, slowly stop the beta blocker first before stopping Catapres (Clonidine).

Common concerns from people taking Catapres (clonidine)

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  • Can cause drowsiness, headache, dizziness, and dry mouth.
  • It's hard to deal with the drowsiness at work or school. Even on days off it will knock me out for half an hour then leave me drained for hours afterward. Look into other meds.