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Clonidine Hcl

Clonidine Hcl

What is clonidine?

Clonidine lowers blood pressure by decreasing the levels of certain chemicals in your blood. This allows your blood vessels to relax and your heart to beat more slowly and easily.

The Catapres brand of clonidine is used to treat hypertension (high blood pressure). The Kapvay brand is used to treat attention deficit hyperactivity disorder (ADHD).

Clonidine is sometimes given with other medications.

How should I take clonidine?

Take clonidine exactly as it was prescribed for you. Follow all directions on your prescription label. Your doctor may occasionally change your dose to make sure you get the best results. Do not take this medicine in larger or smaller amounts or for longer than recommended.

Clonidine is usually taken in the morning and at bedtime. If you take different doses of this medicine at each dosing time, it may be best to take the larger dose at bedtime.

Clonidine may be taken with or without food.

Do not use two forms of clonidine at the same time. This medicine is also available as a transdermal patch worn on the skin.

Do not crush, chew, or break an extended-release tablet. Swallow it whole. Tell your doctor if you have trouble swallowing the tablet.

If you need surgery, tell the surgeon ahead of time that you are using clonidine. You may need to stop using the medicine for a short time.

Why it's used

Clonidine extended-release tablets are used to treat symptoms of attention deficit hyperactivity disorder (ADHD). They can be used by people aged 6–18 years.

This drug may be used as part of a combination therapy. That means you may need to take it with other drugs.

How it works

Clonidine belongs to a class of drugs called centrally acting alpha-agonists. It isn’t known exactly how clonidine extended-release tablets work to reduce symptoms of ADHD. We do know that clonidine works in the part of the brain that helps regulate behavior, attention, and how we express emotion.

Clonidine side effects

Get emergency medical help if you have signs of an allergic reaction to clonidine: hives; difficult breathing; swelling of your face, lips, tongue, or throat.

Call your doctor at once if you have:

  • severe chest pain, shortness of breath, irregular heartbeats;
  • a very slow heart rate;
  • severe headache, pounding in your neck or ears, blurred vision;
  • nosebleeds;
  • anxiety, confusion; or
  • a light-headed feeling, like you might pass out.

Serious side effects may be more likely in older adults.

Common clonidine side effects may include:

  • drowsiness, dizziness;
  • feeling tired or irritable;
  • dry mouth, loss of appetite;
  • constipation;
  • dry eyes, contact lens discomfort; or
  • sleep problems (insomnia), nightmares.

Storage

Store at room temperature away from light and moisture. Do not store in the bathroom. Keep all medications away from children and pets.Do not flush medications down the toilet or pour them into a drain unless instructed to do so. Properly discard this product when it is expired or no longer needed. Consult your pharmacist or local waste disposal company.

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