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What is Catapres (Clonidine) prescribed for?

High Blood Pressure is the measure of the force of blood pushing against the blood vessel walls. High Blood Pressure, also known as Hypertenstion, is dangerous because it makes the heart work harder to pump the blood out to the body, and overall contributes to the hardening of arteries, strokes, kidney disease and to heart failure.

This medication is used either alone or alongside other medications to treat high blood pressure. In lowering your blood pressure, it helps to prevent strokes, heart attacks, and kidney problems. Clonidine belongs to a class of drugs, called central alpha agonists that take action in the brain to lower the blood pressure. It works by relaxing the blood vessels so the blood can flow at a much easier pace.

This medication comes in two different doses that are 0.1mg and 0.2mg. You dose is based on your medical background and your overall response to the treatment. If your doctor or pharmacist has given you some information in the form of a pamphlet, take the time to read up on this drug, and if you have any questions or concerns regarding this medication, please consult your doctor.

This medication is to be taken by mouth, with or without food. Usually twice a day. In the morning and at bedtime is what is normally prescribed by doctors. If the doses are not equal, make sure to take a larger dose at bedtime to decrease the risk of any side effects.

Remember that the dosage given to you is based on your medical condition and your response to the treatment.  Use this medication regularly to receive the most benefit, and remember it is important to continue taking this medication, regardless of if you are feeling well or not.

Do not stop taking this medication without consulting your doctor first. Putting a stop to the medication may cause you symptoms such as nervousness, agitation, shaking, and headaches. A rapid rise in blood pressure may also occur if the medication is put a stop to. And the risk is great if you have used this medication for a long period of time or have a high dosage.  Therefore it is important you do not muss a dose. Speak to you doctor right away if you are unable to continue taking this medication. To prevent any risks, your doctor will likely reduce your dosage gradually.


Before taking Catapres, tell your doctor if you allergic to Clonidine (including having a rash or other irritations while using Clonidine patches); or if you have any other allergies in general. Also it is best to let you doctor know of your medical history, especially if you have had any of the following; kidney disease, heart rhythm problems (such as slow/irregular heartbeat, second- or third-degree atrioventricular block).

This medication may make you feel drowsy or dizzy. When in this type of situation caused by the medication it is best to avoid alcohol, or any medicinal cannabis.

Side Effects

If any of these side effects occur it would be best to notify your doctor promptly; Dizziness, light headedness, drowsiness, dry mouth, or constipation. To relieve dry mouth you may suck on sugarless hard candy or ice chips, chew sugarless gum, and drink water or use another saliva substitute.

However, you should tell your doctor right away if you have any of these serious side effects, which include; fainting, slow/irregular heartbeat, mental/mood changes (such as irritability, depression).

A very serious allergic reaction to this drug is rare. However, get medical help right away if you notice any symptoms of a serious allergic reaction, including: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing.

This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.


What is Clonidine?

This medication is used either alone or alongside other medications to treat high blood pressure. This is a condition that can cause a few issues unless you lower your blood pressure. Such issues may be strokes, heart attacks, and kidney problems.  When taken, Catapres works by relaxing the blood vessels so the blood can flow at a much easier pace.  This medication comes in two different strengths which are 0.1mg and 0.2mg. If you have any questions regarding this medication or any inquiries in general, feel free to give us a call at our toll free number 1-877-385-8998.  


How long does Clonidine last?

The elimination half-life for this medication ranges from 12 to 16 hours. So it could take more than a day before this medication is fully out of your system.


How long does it take for Clonidine to take effect?

This medication reaches peak levels approximately 1 to 3 hours after initially taking your first dose.


What is the most common side effect of Clonidine?

Clonidine has more than one common side effect, and they are as follows; Dry mouth, drowsiness, dizziness, and constipation. However, while these side effects are considered mild and will diminish over time, if they do persist or worsen over time inform your doctor. Also keep in mind that these are not all of the side effects listed for this medication.


What class of drug is Clonidine?

Clonidine belongs to a class of drugs called “centrally acting alpha-agonist hypotensive agents”.

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