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Clonidine Lethargy Side Effects

Clonidine Lethargy Side Effect Reports


The following Clonidine Lethargy side effect reports were submitted by healthcare professionals and consumers.

This information will help you understand how side effects, such as Lethargy, can occur, and what you can do about them.

A side effect could appear soon after you start Clonidine or it might take time to develop.



Unresponsive To Stimuli, Apnoea, Lethargy, Miosis, Respiratory Rate Decreased, Hypertension, Infection, Product Compounding Quality Issue, Incorrect Dose Administered

This Lethargy side effect was reported by a health professional from US. A 7-year-old patient (weight:NA) experienced the following symptoms/conditions: NA. The patient was prescribed Clonidine (dosage: NA), which was started on NS. Concurrently used drugs: NA. When starting to take Clonidine the consumer reported the following symptoms:
  • Unresponsive To Stimuli
  • Apnoea
  • Lethargy
  • Miosis
  • Respiratory Rate Decreased
  • Hypertension
  • Infection
  • Product Compounding Quality Issue
  • Incorrect Dose Administered
The patient was hospitalized. These side effects may potentially be related to Clonidine.
Unresponsive To Stimuli, Lethargy, Miosis, Heart Rate Increased, Hypertension, Blood Pressure Diastolic Decreased, Infection, Product Compounding Quality Issue, Accidental Overdose

This Lethargy Clonidine Hcl side effect was reported by a physician from US on Nov 15, 2013. A male , child 7 years of age, was diagnosed with and was treated with Clonidine Hcl. The patient presented the following health conditions:
  • Unresponsive To Stimuli
  • Lethargy
  • Miosis
  • Heart Rate Increased
  • Hypertension
  • Blood Pressure Diastolic Decreased
  • Infection
  • Product Compounding Quality Issue
  • Accidental Overdose
. Clonidine Hcl dosage: NA. Additional drugs used at the same time: NA. The patient was hospitalized.
Product Substitution Issue, Lethargy, Mania, Product Quality Issue, Tearfulness, Agitation, Hallucination, Visual

This is a Clonidine Hcl side effect report of a 8-year-old patient (weight:NA) from US, suffering from the following symptoms/conditions: attention deficit/hyperactivity disorder, who was treated with Clonidine Hcl (dosage:NA, start time: Nov 03, 2013), combined with: NA., and developed a serious reaction and a Lethargy side effect. The patient presented with:
  • Product Substitution Issue
  • Lethargy
  • Mania
  • Product Quality Issue
  • Tearfulness
  • Agitation
  • Hallucination, Visual
which developed after the beginning of treatment. This side effect report can indicate a possible existence of increased vulnerability to Clonidine Hcl treatment in patients suffering from attention deficit/hyperactivity disorder, resulting in Lethargy.

Apnoea, Overdose, Unresponsive To Stimuli, Hypertension, Lethargy, Miosis, Infection

A 7-year-old patient (weight: NA) from COUNTRY NOT SPECIFIED with the following symptoms: attention deficit/hyperactivity disorder started Clonidine treatment (dosage: 4.5 G) on NS. Soon after starting Clonidine treatment, the consumer experienced several side effects, including:
  • Apnoea
  • Overdose
  • Unresponsive To Stimuli
  • Hypertension
  • Lethargy
  • Miosis
  • Infection
. Concurrently used drugs: NA. This finding indicates that some patients can be more vulnerable to developing Clonidine side effects, such as Lethargy.
Hypertension, Overdose, Lethargy, Miosis, Tachycardia, Respiratory Depression

A patient from US was prescribed and started Clonidine on Nov 07, 2013. Patient felt the following Clonidine side effects: hypertension, overdose, lethargy, miosis, tachycardia, respiratory depression Additional patient health information: male , child 7 years of age, The consumer reported the following symptoms: was diagnosed with and. Clonidine dosage: Morning Dose; Received 2.5ml Of Suspension Containing 4.5g Of Clonidine Instead Of 4.5mg. Concurrently used drugs: NA. The patient was hospitalized.
Pallor, Somnolence, Malaise, Lethargy, Peripheral Coldness, Blood Pressure Decreased, Respiratory Rate Decreased, Oxygen Saturation Decreased

This report suggests a potential Clonidine Lethargy side effect(s) that can have serious consequences. A 2-year-old patient from SA (weight:NA) was diagnosed with the following health condition(s): NA and used Clonidine (dosage: NA) starting NS. Soon after starting Clonidine the patient began experiencing various side effects, including:
  • Pallor
  • Somnolence
  • Malaise
  • Lethargy
  • Peripheral Coldness
  • Blood Pressure Decreased
  • Respiratory Rate Decreased
  • Oxygen Saturation Decreased
Drugs used concurrently:NA. The patient was hospitalized. Although Clonidine demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Lethargy, may still occur.
Lethargy, Hypersensitivity

An adverse event was reported by a consumer or non-health professional on Nov 05, 2012 by a Female taking Clonidine (dosage: NA) was diagnosed with and. Location: US , 56 years of age, weighting 182.0 lb, patient began experiencing various side effects, including: Directly after treatment started, patient experienced the unwanted or unexpected Clonidine side effects: lethargy, hypersensitivity. Additional medications/treatments:
Associated medications used:
  • Abilify
Product Quality Issue, Hypotension, Lethargy, Somnolence, Pain In Extremity

This Lethargy problem was reported by a consumer or non-health professional from US. A 77-year-old patient (weight: NA) was diagnosed with the following medical condition(s): blood pressure high.On NS a consumer started treatment with Clonidine Hydrochloride (dosage: NA). The following drugs/medications were being taken at the same time: NA. When commencing Clonidine Hydrochloride, the patient experienced the following unwanted symptoms /side effects:
  • Product Quality Issue
  • Hypotension
  • Lethargy
  • Somnolence
  • Pain In Extremity
Although all drugs are carefully tested before they are licensed for use, they carry potential side effect risks. Some side effects, such as Lethargy, may become evident only after a product is in use by the general population.
Lethargy, Hypotension

This is a Clonidine side effect report of a 5-year-old patient (weight: NA) from UNITED STATES. The patient developed the following symptoms/conditions: NA and was treated with Clonidine (dosage: NA) starting NS. Concurrently used drugs:
  • Concerta
  • Methylphenidate
Soon after that, the consumer experienced the following of symptoms:
  • Lethargy
  • Hypotension
The patient was hospitalized. This opens a possibility that Clonidine could cause Lethargy and that some patients may be more susceptible.
Coma Scale Abnormal, Lethargy, Accidental Exposure, Hypotension, Miosis, Hypotonia

This Lethargy side effect was reported by a health professional from CANADA on May 04, 2011. A patient from CANADA , child 2 years of age, was treated with Clonidine Hydrochloride. Directly after treatment started, patient experienced the unwanted or unexpected Clonidine side effects: coma scale abnormal, lethargy, accidental exposure, hypotension, miosis, hypotonia. Clonidine Hydrochloride dosage: NA. The patient was hospitalized. These side effects may potentially be related to Clonidine Hydrochloride.
Lethargy, Electrocardiogram Qt Prolonged, Delirium, Unresponsive To Stimuli, Hypotension, Toxicity To Various Agents, Somnolence

This Lethargy side effect was reported by a physician from UNITED STATES. A 15-year-old female patient (weight:NA) experienced the following symptoms/conditions: NA. The patient was prescribed Clonidine (dosage: NA), which was started on NS. Concurrently used drugs:
  • Quetiapine
  • Trazodone Hcl
  • Risperidone
When starting to take Clonidine the consumer reported the following symptoms:
  • Lethargy
  • Electrocardiogram Qt Prolonged
  • Delirium
  • Unresponsive To Stimuli
  • Hypotension
  • Toxicity To Various Agents
  • Somnolence
The patient was hospitalized. These side effects may potentially be related to Clonidine.
Hypotension, Tearfulness, Lethargy, Electrocardiogram Qt Prolonged, Unresponsive To Stimuli, Somnolence, Delirium, Speech Disorder

This Lethargy Clonidine side effect was reported by a physician from UNITED STATES on Feb 07, 2011. A Female , 15 years of age, was treated with Clonidine. The patient presented the following health conditions:
  • Hypotension
  • Tearfulness
  • Lethargy
  • Electrocardiogram Qt Prolonged
  • Unresponsive To Stimuli
  • Somnolence
  • Delirium
  • Speech Disorder
. Clonidine dosage: Oral. Additional drugs used at the same time:
  • Trazodone (Oral)
  • Risperdone (Oral)
  • Quetiapine (Oral)
Delirium, Electrocardiogram Abnormal, Electrocardiogram Qt Prolonged, Hypotension, Lethargy, Sedation

This is a Clonidine Hydrochloride side effect report of a 15-year-old female patient (weight:NA) from UNITED STATES, suffering from the following symptoms/conditions: self injurious behaviour, who was treated with Clonidine Hydrochloride (dosage:Oral, start time: NS), combined with:
  • Trazodone (Oral)
  • Quetiapine (Oral)
, and developed a serious reaction and a Lethargy side effect. The patient presented with:
  • Delirium
  • Electrocardiogram Abnormal
  • Electrocardiogram Qt Prolonged
  • Hypotension
  • Lethargy
  • Sedation
which developed after the beginning of treatment. This side effect report can indicate a possible existence of increased vulnerability to Clonidine Hydrochloride treatment in female patients suffering from self injurious behaviour, resulting in Lethargy.
Blood Pressure Decreased, Lethargy, Pallor

A patient (weight: NA) from UNITED STATES with the following symptoms: hypertension started Clonidine treatment (dosage: (0.2 Mg Qd, Via 1/weekly Patch Transdermal)) on May 06, 2010. Soon after starting Clonidine treatment, the consumer experienced several side effects, including:
  • Blood Pressure Decreased
  • Lethargy
  • Pallor
. Concurrently used drugs:
  • Levothyroxine Sodium
  • Cozaar
  • Depakote
  • Temazepam
  • Lithium
  • Melatonin
  • Cetirizine Hcl
This finding indicates that some patients can be more vulnerable to developing Clonidine side effects, such as Lethargy.
Hypotension, Hypotonia, Lethargy, Miosis, Respiratory Depression

A patient from was prescribed and started Clonidine on May 12, 2010. After Clonidine was administered, patient encountered several Clonidine side effects: hypotension, hypotonia, lethargy, miosis, respiratory depression Additional patient health information: male , child 2 years of age, The consumer reported the following symptoms: . Clonidine dosage: NA. Concurrently used drugs: NA.
Accidental Exposure, Depression, Hypotension, Hypotonia, Lethargy, Miosis

This report suggests a potential Clonidine Lethargy side effect(s) that can have serious consequences. A 2-year-old patient from CANADA (weight:NA) was diagnosed with the following health condition(s): accidental exposure and used Clonidine (dosage: Unk) starting NS. Soon after starting Clonidine the patient began experiencing various side effects, including:
  • Accidental Exposure
  • Depression
  • Hypotension
  • Hypotonia
  • Lethargy
  • Miosis
Drugs used concurrently:NA. The patient was hospitalized. Although Clonidine demonstrated significant improvements in a number of clinically relevant cases, troublesome symptoms, such as Lethargy, may still occur.
Blood Pressure Decreased, Dizziness, Lethargy, Muscular Weakness, Somnolence

An adverse event was reported by a consumer or non-health professional on Mar 23, 2010 by a male taking Clonidine Hcl (dosage: 0.4 Mg) was diagnosed with and. Location: , 60 years of age, patient began experiencing various side effects, including: Patient felt the following Clonidine side effects: blood pressure decreased, dizziness, lethargy, muscular weakness, somnolence. Additional medications/treatments:
Multiple prescriptions taken:
  • Cozaar (100 Mg)
  • Hydrochlorothiazide (25 Mg)
  • Metformin (2475 Mg)
  • Glyburide (10 Mg)
  • Simvastatin (20 Mg)
  • Levemir (72 U)
Apnoea, Endotracheal Intubation, Hypokinesia, Hypotonia, Lethargy, Mechanical Ventilation, Respiratory Depression, Respiratory Failure, Sedation

This Lethargy problem was reported by a health professional from INDIA. A patient (weight: NA) was diagnosed with the following medical condition(s): NA.On NS a consumer started treatment with Clonidine (ngx) (dosage: 5 Ug, Unk). The following drugs/medications were being taken at the same time:
  • Propofol (10 Mg Bolus, Once/single)
  • Propofol (25 Ug/kg/min)
  • Bupivacaine (2.5 Mg, Unk)
  • Thiopental Sodium
  • Sevoflurane
  • Nitrous Oxide
When commencing Clonidine (ngx), the patient experienced the following unwanted symptoms /side effects:
  • Apnoea
  • Endotracheal Intubation
  • Hypokinesia
  • Hypotonia
  • Lethargy
  • Mechanical Ventilation
  • Respiratory Depression
  • Respiratory Failure
  • Sedation
The patient was hospitalized. Although all drugs are carefully tested before they are licensed for use, they carry potential side effect risks. Some side effects, such as Lethargy, may become evident only after a product is in use by the general population.
Blood Pressure Increased, Dermatitis Contact, Hypotension, Lethargy, Product Substitution Issue, Scab

This is a Clonidine side effect report of a patient (weight: NA) from UNITED STATES. The patient developed the following symptoms/conditions: phaeochromocytoma and was treated with Clonidine (dosage: 0.6 Mg Qd Via Two 1/weekly Patch Transdermal) starting Oct 03, 2009. Concurrently used drugs:
  • Lantus
  • Novolog
  • Vicodin
  • Catapres Patches
  • Inspra
Soon after that, the consumer experienced the following of symptoms:
  • Blood Pressure Increased
  • Dermatitis Contact
  • Hypotension
  • Lethargy
  • Product Substitution Issue
  • Scab
This opens a possibility that Clonidine could cause Lethargy and that some patients may be more susceptible.
Apnoea, Hypotonia, Lethargy, Respiratory Depression, Sedation

This Lethargy side effect was reported by a consumer or non-health professional from on Sep 30, 2009. A patient from , weighting 11.02 lb, was diagnosed with and was treated with Clonidine. Patient felt the following Clonidine side effects: apnoea, hypotonia, lethargy, respiratory depression, sedation. Clonidine dosage: 5 Mcg.
Multiple prescriptions taken:
  • Bupivacaine (2.5 Mg)
  • Propofol (10 Mg Bolus And Infusion At 25 Mcg/(kg X Min))
These side effects may potentially be related to Clonidine.

DISCLAIMER: ALL DATA PROVIDED AS-IS, refer to terms of use for additional information.

Clonidine Lethargy Causes and Reviews


We are sorry, but no medical information on this topic currently exists in our database. Our articles are updated often, please revisit soon.


Clonidine Lethargy Reviews

Mon, 07 May 2012

prescribed Clonidine 2 months ago for hot flushes due to the menopause. I am taking 25mcg twice a day as I cnnot tolerate the advised dose of 50mcg twice a day, but this lower dose has stopped the flushes. Infortunately I have been perpetually cold and have become really irritable. Is this a drug reaction or more symptoms of the menopause?

Sun, 22 May 2011

i am feeling drowsy,weak, and my heart is racing. is that suppose to happen?

Wed, 28 Dec 2011

I take only a portion of a 0.1 mg Clonidine once a day. Since I have been taking this medicine, the have been times that my skin feels that needles are sticking in it---this is all over my body. Has anyone else had this happen? I don't know for sure this is from this medicine, but it started shortly after I started taking it.

Mon, 01 Jun 2009
I take 0*1 mg Clonidine for high BP and have the sensation that my esophagus or chest muscles are spasming. Also my heart rate is accelerated. Are these expected side effects of this medication.
Sun, 15 Nov 2009
I just started on Clonidine for excessive sweating of the scalp and face, but also for insomnia. I had to take .3 mg to get sleepy. I woke up this morning with several canker like sores on the inside of my lips. Anyone else had this happen? I also use a cpap machine and am on other medications.
Mon, 16 Nov 2009
rashes, itch, soreness, pain
Wed, 17 Mar 2010
i started with taking 1 at bedtime .1mg then bp went up then went to .1 4 per day didn't last then tried Transdermal system this didn't stick to my skin result no medicine delivered i went thru withdraw ?
Fri, 30 Jul 2010
head, ears, throat, too tired, hate to take it.....Dr. said it is a nasty pill but still prescribed it. also, constipation/ loose stools. stomach discomfort....leg / foot spasms at night
Fri, 30 Jul 2010
I find this medication terrible. I dont know about anyone else but I have found that my body has become addictived to this drug. I have only been on this drug since June 18, 2010. I am on the patch 2mg plus one 1 mg tablet 2x per day (total of 4mg) If I do not take this mediction exactly within one hour before it wears of I start to go trough withdrawls. My head get tight my body starts to shake and I start to have a feeling of doom.When this first happen to me I went to the Emergency Room because I did not know what was happening to me. They discharged me because My blood pressure was not that high. Lucky for me My doctor's office was accross the street. I went to see him. He told me that this was one of the side effects of the drug. I told him that I could not live this way. He said this feeling would eventually go away but I had to stay on this drug because when you dont take this drug your blood pressure could spike very high. I was devastated to find that I was taking a drug that could potentially kill me if not taken timely.I have told the doctor that he had to find a way to get me off this medication. I can not function on this med. My vision is getting worse, I have difficulty concentrating, I am extremely aggitated and nervous all the time not to mention that I am so tired I can barely walk a block. I recently spoke with two different doctors who told me that I should not have been put on this med alone. I am so frustrated I dont know what to do. No one seem to be able to help me. Am I doomed to be this sick the reat of my life or is there something that can be done. Sincerely, Hopeless
DISCLAIMER: ALL DATA PROVIDED AS-IS, refer to terms of use for additional information.

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Top Clonidine Side Effects

Blood Pressure Increased (136)
Completed Suicide (121)
Hypotension (117)
Hypertension (95)
Product Adhesion Issue (72)
Headache (68)
Product Substitution Issue (64)
Dizziness (62)
Dyspnoea (55)
Product Quality Issue (54)
Poisoning (53)
Bradycardia (52)
Death (49)
Cardiac Arrest (47)
Nausea (45)
Somnolence (43)
Dry Mouth (42)
Fatigue (41)
Anxiety (40)
Asthenia (39)
Overdose (38)
Pain (35)
Agitation (34)
Feeling Abnormal (32)
Suicide Attempt (31)
Lethargy (31)
Depression (30)
Heart Rate Increased (30)
Sinus Bradycardia (30)
Loss Of Consciousness (29)
Hypertensive Crisis (29)
Vomiting (28)
Respiratory Arrest (28)
Chest Pain (26)
Blood Pressure Decreased (25)
Syncope (25)
Convulsion (24)
Cardio-respiratory Arrest (24)
Rash (23)
Application Site Rash (23)
Blood Pressure Inadequately Controlled (22)
Insomnia (22)
Cerebrovascular Accident (22)
Hyperhidrosis (21)
Accidental Overdose (20)
Tachycardia (20)
Application Site Pruritus (20)
Hypersensitivity (19)
Tremor (19)
Sedation (19)

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