Drugs >  Clonidine
Clonidine
Pronunciation
Brand Names
Foreign Brand Names
Therapeutic Categories
Reasons not to take this medicine
What is this medicine used for?
How does it work?
How is it best taken?
What do I do if I miss a dose?
What are the precautions when taking this medicine?
What are the common side effects of this medicine?
What should I monitor?
Reasons to call healthcare provider immediately
How should I store this medicine?
General statements

Pronunciation
(KLOE ni deen)

Brand Names
Catapres® Oral; Catapres-TTS® Transdermal; Duraclon™

Foreign Brand Names
Apo-Clonidine® (Canada); Catapresan-100® (Mexico); Dixarit® (Canada); Novo-Clonidine (Canada); Nu-Clonidine (Canada)

Therapeutic Categories
Alpha2 Agonist

Reasons not to take this medicine

  • If you have an allergy to clonidine or any other part of the medicine.


What is this medicine used for?

  • This medicine is used to treat high blood pressure, prevent migraine headache, treat menopausal flushing, hot flashes associated with other medicines, and painful menstruation (periods).
  • It offers pain control in combination with narcotics when infused into the spine area.
  • It has also been used to treat drug abuse and drug withdrawal syndromes (cocaine, narcotics, cigarette smoking).
  • Rarely, it is used for the treatment of diabetes-associated diarrhea.


How does it work?

  • Clonidine decreases the body's release of adrenaline and other hormones that increase blood pressure, heart rate, and anxiety.
  • Pain control works by preventing the pain signal's transmission to the brain.


How is it best taken?

  • Follow diet plan (low salt) as recommended by healthcare provider if you are taking this medicine for high blood pressure.
  • Do not suddenly stop using this medicine. Medicine should be slowly decreased. High blood pressure can worsen.
  • Tablet:
    • Take with or without food. Take with food if this medicine causes an upset stomach. Take last dose of the day at bedtime.
    • Do not suddenly stop using this medicine. Medicine should be slowly decreased. High blood pressure can worsen.
  • Skin patch:
    • Remove old patch first.
    • Use on clean, dry skin. Move site with each new patch. Use on trunk of body. This includes chest, back, and belly.
    • If patch loosens during the week, apply tape directly over it to hold it in place.


What do I do if I miss a dose?

  • Do not take a double dose or extra doses.
  • Do not change dose or stop taking medicine without talking with healthcare provider.
  • Tablet:
    • Take a missed dose as soon as possible.
    • If it is almost time for the next dose, skip the missed one. Return to your regular schedule.
  • Skin patch:
    • Apply the missed patch as soon as possible after removing the old one.
    • If it is almost time for the next patch, place the new patch on immediately and keep it on for 7 days.
    • Start new schedule from time patch is replaced.


What are the precautions when taking this medicine?

  • Wear disease medical alert identification for high blood pressure.
  • If you are 65 or older, you may have more side effects. You could feel sleepy.
  • You may not be alert. Avoid driving, doing other tasks or activities until you see how this medicine affects you.
  • Avoid alcohol (includes wine, beer, and liquor) and other medicines and herbs that slow your actions and reactions. This includes sedatives, tranquilizers, mood stabilizers, or pain medicine. Talk with healthcare provider.
  • Do not use over-the-counter products that increase blood pressure. These include cough or cold remedies, diet pills, stimulants, ibuprofen or like products, and certain herbs or supplements. Talk with healthcare provider.
  • Tell healthcare provider if you are allergic to any medicine. Make sure to tell about the allergy and how it affected you. This includes telling about rash; hives; itching; shortness of breath; wheezing; cough; swelling of face, lips, tongue, throat; or any other symptoms involved.
  • Tell healthcare provider if you are pregnant or plan on getting pregnant.
  • Tell healthcare provider if you are breast-feeding.


What are the common side effects of this medicine?

  • Feeling sleepy or unable to think clearly. Avoid driving, doing other tasks or activities that require you to be alert until you see how this medicine affects you.
  • Dizziness is common. Rise slowly over several minutes from sitting or lying position. Be careful climbing stairs.
  • Dry mouth. Frequent mouth care, sucking hard candy, or chewing gum may help.
  • Constipation. More liquids, regular exercise, or a fiber-containing diet may help. Talk with healthcare provider about a stool softener or laxative.


What should I monitor?

  • Check blood pressure and heart rate (pulse) regularly.
  • Follow diet plan and exercise program as recommended by healthcare provider.


Reasons to call healthcare provider immediately

  • Signs of a life-threatening reaction. These include wheezing; tightness in the chest; fever; itching; bad cough; blue skin color; fits; swelling of face, lips, tongue, or throat.
  • Too tired or sleepy.
  • Passing out, fainting, dizziness, or lightheadedness.
  • Any rash.


How should I store this medicine?

  • Store tablets in a tight, light-resistant container at room temperature.
  • Store skin patch at room temperature.


General statements

  • Do not share your medicine with others and do not take anyone else's medicine.
  • Keep all medicine out of the reach of children and pets.
  • Keep a list of all your medicines (prescription, herbal/supplements, vitamins, over-the-counter) with you. Give this list to healthcare provider (doctor, nurse, pharmacist, physician assistant).
  • Talk with healthcare provider before starting any new medicine, including over-the-counter or natural products (herbs, vitamins).


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