Clonidine: Uses, Dosage, Side Effects

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Clonidine can lower the blood pressure by the decreasing the chemicals in the body, it allows your blood vessels to relax and your heart to beat more slowly.

It is mainly used in the treatment of hypertension and also treat attention deficit hyperactivity disorder

Information about clonidine:

Before you take these medicines tell your doctor about if you have diseases like the coronary artery, heart rhythm, slow heartbeat etc.because this medicine can reduce the heartbeat and the other problems associated with this disease are allergic reactions.

Dosage pattern of clonidine:

Adult dose:


Initial dose: it is about 0.1mg to be taken orally twice a day

Maintenance dose: it is about 0.2-0.6mg /day is given in divided doses


Initial dose: it is about 30mcg/hrs depending upon the pain relief and occurrence of adverse events.

Maximum dose: 40mcg/hr

Pheochromocytoma diagnosis:

It is about 0.3mg to be taken orally once, clonidine is only recommended after baseline determination.

Hypertensive emergency:

It is about 0.2mg to be taken orally once. Additional doses may be 0.1mg may be given as needed.

Alcohol withdrawal:

It is about 0.1mg to be taken orally twice a day as a transdermal patch once a week


It is about 0.1mg to be taken orally twice a day as transdermal patch once a week

Clonidine overdose:

It can cause very serious symptoms , seeking immediate medical help is recommended.

Symptoms of overdose:

  • Headache
  • Anxiety
  • Chest pain
  • Shortness of breath
  • Feeling cold
  • Extreme weakness
  • Pinpoint pupil

Clonidine Side effects:

Severity: major

  • Mental depression
  • Swelling of the feet
  • Confusion
  • Anxiety
  • Drowsiness
  • Dry mouth
  • Fever
  • Irritability
  • Shaking
  • Skin rash
  • Trouble breathing
  • insomnia

severity: minor

  • constipation
  • darkening of the skin
  • decreased the sexual ability
  • nausea and vomiting
  • loss of appetite
  • blurred vision
  • pale skin
  • joint pain

Nervous system:

  • dizziness
  • fatigue
  • headache
  • irritability
  • nightmares
  • body temperature increased
  • tremor


  • hypotension
  • sinus
  • arrhythmias
  • irritability
  • tremor
  • headache
  • palpitations

Clonidine: brand names, price list

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