Very bad dizziness or passing out. Fast, slow, or abnormal heartbeat. Change in how contact lenses feel in the eyes. Skin patch: Redness. Change in color of skin. Epidural: Trouble breathing, slow breathing, or shallow breathing. Feeling confused.
What are some other side effects of this drug? Dry mouth. Feeling dizzy, sleepy, tired, or weak. Upset stomach. Extended-release tablets: Trouble sleeping.
Bad dreams. Not hungry. Stomach pain. Feeling irritable. Skin patch: Skin irritation. Epidural: Sweating a lot. Throwing up. Ringing in ears. You may report side effects to your national health agency. How is this drug best given? All oral products: Give this drug with or without food. Give this drug at the same time of day. Do not stop giving this drug to your child all of a sudden without calling the doctor.
Your child may have a greater risk of side effects. If your child needs to stop this drug, you will want to slowly stop it as told by the doctor. Extended-release tablets: Have your child swallow whole. It is best to avoid alcohol or over-the-counter medications that contain alcohol while taking this medication. The patches should be applied at bedtime to a clean, hairless area of the upper arms or chest. Rotate where the patch is applied weekly.
Do not cut the patches. If too much medication is taken by accident, call the Drug and Poison Information Center DPIC , or , or call your child's doctor immediately. Your doctor gradually increases the dose until the effective therapeutic dose is found. Catapres tablets come in 0. Kapvay is the extended-release version, and it's available in 0.
Clonidine is also available in patches, which last seven days. They're a good option if you tend to forget to take medication, or you don't like swallowing tablets. Once the therapeutic dose has been found using tablets, using a clonidine patch is an option.
It may take a few weeks to see the full effects of clonidine on ADHD symptoms, but you may see some improvement sooner. These side effects often go away after you've taken the medication for a while, but if they don't or they're bothersome, talk to your doctor:.
If you experience these or any other unusual or persistent side effects, contact your doctor as soon as possible:. If you have a history of low blood pressure, you may be more likely to feel dizzy, lightheaded, and nauseous while taking clonidine. Many people forget to take their medication. If you miss a dose of clonidine, don't take a double dose as it could lower your blood pressure too much.
It's important that you don't stop taking clonidine abruptly, as this may cause rebound high blood pressure. Instead, your dose should be decreased gradually. Your doctor can give you advice on the best tapering schedule. Clonidine may be unsafe for an unborn baby, and it can be found in breast milk. Animal studies have also shown that clonidine may impair fertility in females and males.
If you're pregnant, breastfeeding, or planning to become pregnant, talk to your doctor. They can help you weigh the pros and cons of continuing with your medication. While clonidine is not usually the first choice of treatment for ADHD , it can be helpful for some people, either alone or combined with another medication. If you're interested in clonidine as a treatment option, talk to your doctor. They will help you decide if it's the right choice for you.
Learn the best ways to manage stress and negativity in your life. Updated October 12, For children younger than 6 years and for the 13 through year-old age group, The proportion of cases in which clonidine was the child's medication increased in all 3 age groups during the study period. Comparing data for and , exposures involving the child's medication increased from 2.
The reason for exposure varied depending on age. In children younger than 13 years, the exposures were usually unintentional. Unintentional general was the primary reason for exposure in children younger than 6 years accounting for cases In children from 6- through 12 years old, therapeutic error in cases In adolescents older than 12 years, Twenty-three children experienced respiratory arrest.
The exposure was managed on-site home or another nonhealth care facility for children For children younger than 6 years, In addition, 28 children from 6- through 12 years old and 60 adolescents were admitted for psychiatric care. Gastrointestinal GI tract decontamination included activated charcoal in children No specific therapy was administered to children For major effects, Of the moderate and major outcomes, Children with chronic exposures developed symptoms related to the exposure more often than children with acute-on-chronic exposures or acute exposures Figure 3.
Only 28 There was 1 fatality—a month-old girl with an acute unintentional overdose of an unknown number of 0. In the emergency department the child's stupor and bradycardia responded to a combined treatment of naloxone and atropine.
Bradycardia recurred during intubation, progressing to pulseless electrical activity; resuscitative efforts were unsuccessful.
Clonidine poisoning in children has been described in numerous case reports and small case series dating back to the s. These poisonings all involve young children who were symptomatic and whose condition was managed in a hospital. The 10 published case series with 6 or more cases describe a total of children. The 7-year time frame allows for an assessment of trends in pediatric clonidine exposures.
Clonidine may be beneficial in children who have hyperarousal, hyperactivity, impulsiveness, and defiance. As the prevalence of pediatric clonidine use for childhood behavioral disorders increases, 1 children may be at greater risk of toxic exposures.
A review of 14 hospital admissions in 13 children between and found that 8 admissions occurred in and These findings are supported by poison center data that show that total pediatric clonidine exposures increased from in to in After adjusting for differences in population served by these poison centers in compared with , there was close to a 2-fold increase in exposures. Possible explanations for this increase include an increase in pediatric use for ADHD and Tourette syndrome as well as an increase in off-label uses in adults.
These trends in therapeutic use increase the likelihood of therapeutic errors in children as well as overdoses caused by greater availability in homes. Recent studies suggest a changing pattern in the source of clonidine in clonidine poisonings.
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