Does Clonidine have a diuretic effect
David Edwards
Updated on May 02, 2026
Clonidine works by controlling nerve impulses along certain body nerve pathways. As a result, it relaxes blood vessels so that blood passes through them more easily. The chlorthalidone in this combination is a diuretic (water pill) that helps reduce the amount of water in the body by increasing the flow of urine.
What is the most common side effect of clonidine?
Most adverse effects are mild and tend to diminish with continued therapy. The most frequent (which appear to be dose-related) are dry mouth, occurring in about 40 of 100 patients; drowsiness, about 33 in 100; dizziness, about 16 in 100; constipation and sedation, each about 10 in 100.
Does clonidine cause frequent urination?
This medicine may cause you to have an unusual feeling of tiredness when you begin to take it. You may also notice an increase in the amount of urine or in your frequency of urination. After taking the medicine for a while, these effects should lessen.
Why does clonidine cause water retention?
Tell any doctor who treats you that you are using this medication. Keep using clonidine and chlorthalidone as directed, even if you feel well. High blood pressure often has no symptoms, so you may not know when your blood pressure is high. You may need to use blood pressure medication for the rest of your life.What is a good substitute for clonidine?
Guanfacine taken once a day provides an effective and safe alternative to clonidine in the management of essential hypertension.
Is weight gain a side effect of clonidine?
Beta-blockers Alpha-blockers such as prazosin and clonidine, yield little, if any, weight gain. And timolol and acebutolol are weight neutral. Furthermore, when switching from a diuretic to a beta-blocker, some weight gain can be expected.
Can clonidine cause fluid retention?
Because clonidine can cause salt and water retention, it is usually given along with a diuretic.
Does clonidine make you pee at night?
This drug may cause you to pass urine more often. To keep from having sleep problems, try not to take too close to bedtime. Do not stop taking this drug all of a sudden without calling your doctor.Can clonidine cause dehydration?
Avoid alcoholic beverages. Too much sweating, diarrhea, or vomiting may cause loss of too much body water (dehydration) and increase your risk of dizziness or lightheadedness. Report prolonged diarrhea or vomiting to your doctor.
Is clonidine a thiazide diuretic?Clorpres (clonidine hydrochloride and chlorthalidone) is a combination of an antihypertensive (lowers blood pressure) and a thiazide diuretic (water pill) used to treat fluid retention (edema) in people with congestive heart failure, cirrhosis of the liver, or kidney disorders, or edema caused by taking steroids or …
Article first time published onDoes clonidine raise potassium?
excretion. Clonidine (0.25 mg kg-1) caused a more pronounced increase in K+ (1.0 +/- 0.1 -2.7 +/- 0.4 micromol min-1 100 g body wt.)
Can clonidine cause vision problems?
These can increase your dizziness and risk of fainting. For people with eye problems: This includes dry eye syndrome and problems focusing your eyes. Clonidine may make these problems worse.
How much does clonidine lower BP?
An initial oral dose of 0.1 to 0.2 mg of clonidine hydrochloride followed by hourly doses of 0.05 or 0.1 mg until goal blood pressure is attained that does not reduce perfusion to critical organs, or a total of 0.7 mg is given, will achieve a significant reduction in blood pressure in 93% of patients.
How long should you take clonidine?
Clonidine needs to be taken for two weeks before you see an improvement in your symptoms. It may take 2 to 4 months to see the full benefits of the medication. Effects such as drowsiness and sedation (sometimes considered desirable) may appear sooner (even after the first dose).
Is Amlodipine a diuretic?
Amlodipine is a calcium channel blocker that relaxes (widens) blood vessels and improves blood flow. Hydrochlorothiazide is a thiazide diuretic (water pill) that helps prevent your body from absorbing too much salt, which can cause fluid retention.
Can Clonidine be taken long term?
Long-Term Effects Clonidine can bring about anxiety, hallucinations, depression, and sleep disorders. These effects can be severe and dangerous, and they should be treated by medical professionals in short order. Gastrointestinal effects may also arise due to long-term use of clonidine.
Will clonidine help me lose weight?
Discontinuation of clonidine was associated with a small but significant weight loss compared to a small weight increase during the initiation of clonidine treatment. The results suggest that clonidine may not be indicated in the treatment of anorexia nervosa.
Does clonidine lower potassium?
Clonidine and chlorthalidone may cause a loss of potassium from your body. To help prevent this, your doctor may want you to: eat or drink foods that have a high potassium content (for example, orange or other citrus fruit juices), or.
What drugs cause urinary retention?
Urinary retention has been described with the use of drugs with anticholinergic activity (e.g. antipsychotic drugs, antidepressant agents and anticholinergic respiratory agents), opioids and anaesthetics, alpha-adrenoceptor agonists, benzodiazepines, NSAIDs, detrusor relaxants and calcium channel antagonists.
How do you reverse urinary retention?
Pelvic floor muscle exercises, also called Kegel exercises, help the nerves and muscles that you use to empty your bladder work better. Physical therapy can help you gain control over your urinary retention symptoms.
Should you drink more water when taking diuretics?
Doctors often recommend drinking less fluid and taking diuretic medications, or water pills, to flush more water and salt out of the body through urine. The goal of treatment is to reduce swelling, which makes it easier to breathe and helps avoid hospitalization.
Is chlorthalidone a clonidine?
CHLORTHALIDONE; CLONIDINE (klor THAL i done ; KLOE ni deen) is a combination of two medicines that are used to treat high blood pressure. Chlorthalidone is a diuretic. It lowers blood pressure and increases the amount of urine passed, which causes the body to lose salt and water. Clonidine also lowers blood pressure.
Can clonidine lower sodium?
Furthermore, clonidine also produced a significant reduction in urinary sodium, potassium, and creatinine excretion in WKY rats, but had no effect in SHR.
Does clonidine lower blood sugar?
Clonidine increased the glycemic response to intravenous glucose (incremental glucose AUC from 161 +/- 13 to 184 +/- 14) but did not significantly change long-term diabetic control as assessed by weekly fasting serum glucose, glycosylated hemoglobin, and 24-hr urinary glucose excretions before and after treatment.
Does clonidine affect sodium levels?
Experimental studies with animals have shown clonidine enhances sodium absorption. Sodium is actively absorbed in the jejunum, and a strong correlation has been observed between sodium absorption and water absorption.
Is Clonidine a good blood pressure medicine?
Clonidine has an average rating of 6.0 out of 10 from a total of 82 ratings for the treatment of High Blood Pressure. 40% of reviewers reported a positive effect, while 33% reported a negative effect.
How can I bring my blood pressure down immediately?
- Exercise most days of the week. Exercise is the most effective way to lower your blood pressure. …
- Consume a low-sodium diet. Too much sodium (or salt) causes blood pressure to rise. …
- Limit alcohol intake to no more than 1 to 2 drinks per day. …
- Make stress reduction a priority.
Does clonidine affect the pulse?
Clonidine treats high blood pressure by decreasing your heart rate and relaxing the blood vessels so that blood can flow more easily through the body.
What is clonidine rebound?
Severe rebound hypertension can occur following withdrawal from clonidine. This reaction is more likely to occur if clonidine is stopped suddenly (without a gradual dose reduction). Symptoms of severe rebound high blood pressure can include: Increased salivation.