Catapres 100 Tablets (Clonidine Hydrochloride)
Complete patient guide for uses, dosage, side effects, and safety information
Quick Facts
What Is Catapres 100 Tablets Used For?
Catapres is a medication that helps manage high blood pressure and can also be used for migraine prevention and to alleviate menopausal flushing symptoms.
Primary Uses
Catapres is primarily used to treat high blood pressure (hypertension), prevent migraine headaches, and relieve symptoms associated with menopausal flushing.
How It Works
Catapres works by relaxing and widening blood vessels, which helps to lower blood pressure.
Good to know: Catapres is not considered addictive.
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How to Take Catapres 100 Tablets
Follow your doctor's instructions on how to take Catapres. It is important to take it regularly to manage your condition effectively.
Dosage Instructions
The usual starting dose for high blood pressure is 50 micrograms (half a tablet), taken two to three times daily. For migraine and menopausal flushing, the starting dose is typically 25 micrograms twice daily, which may be increased as needed.
What If You Miss a Dose?
If you miss a dose, take it as soon as you remember. If it's almost time for your next dose, skip the missed dose and resume your regular schedule. Do not take a double dose.
Important: Never double the dose to make up for a missed one.
Available Tablet Strengths
Side Effects
Like all medications, this medicine can cause side effects. Most are mild and temporary, but some require medical attention.
Common Side Effects
These side effects occur relatively frequently and usually don’t require emergency care:
- Light-headedness when standing up suddenly
- Drowsiness
- Dry mouth
- Nausea
- Vomiting
Seek immediate medical attention if you experience:
- Blurred vision
- Dizziness
- Confusion
- Headaches
- Sleep disturbances
- Mental depression
- Irritability
- Decreased sexual drive
- Thinning of hair
- Rash or hives
- Constipation
- Numbness or tingling in hands or feet
- Slow or irregular heartbeat
- Increased blood glucose levels
Important Warnings
There are important considerations to keep in mind before using Catapres.
Who Should Not Take Catapres 100 Tablets
Do not take Catapres if you are allergic to clonidine hydrochloride or any of its ingredients, have a hereditary condition of galactose intolerance, or have certain heart issues such as irregular or slow heartbeat.
Medical Conditions to Discuss
Discuss with your doctor if you have heart failure, a history of stroke or TIA, mental health conditions, diabetes, nerve damage, constipation, or kidney problems.
Pregnancy and Breastfeeding
Do not use Catapres if you are pregnant or breastfeeding, as it may affect your baby.
Drug Interactions
Certain medications can interact with Catapres, affecting its efficacy.
- Other antihypertensive medications
- Heart medications
- Alcohol
- Mood stabilizers and antidepressants
- Pain relief medications
Alcohol & Driving
Be cautious with alcohol consumption and operating vehicles while on Catapres.
Alcohol
Alcohol may reduce the effectiveness of Catapres, and adjustments to your dosage may be necessary.
Driving and Operating Machinery
Be careful when driving or using machinery until you know how Catapres affects you, as it may cause dizziness or drowsiness.
Storage
Store Catapres tablets in their blister pack in a cool, dry place below 30°C. Keep them away from moisture and sunlight.
Overdose Information
If you suspect an overdose, seek immediate medical attention. Symptoms may include slow heartbeat, drowsiness, and even coma. Contact your doctor or the Poisons Information Centre at 13 11 26.
Frequently Asked Questions
Catapres typically begins to lower blood pressure within a few hours of taking it, but it may take several days to see the full effect.
You can take Catapres with food, but it is important to follow your doctor's instructions regarding timing and dosage.
No, Catapres is not considered addictive.
Do not stop taking Catapres abruptly without consulting your doctor, as it may lead to a sudden increase in blood pressure.
Alcohol may affect how well Catapres works, so discuss your alcohol consumption with your doctor.
Weight gain is not commonly reported as a side effect of Catapres, but any concerns should be discussed with your doctor.
Elderly patients should consult their doctor before taking Catapres, especially if they have other medical conditions.
If you miss a dose, take it as soon as you remember, but skip it if it's almost time for your next dose. Do not double up.
Important Disclaimer
This information is intended for general educational purposes only and should not be considered medical advice. Always consult your healthcare provider or pharmacist before starting, stopping, or changing any medication.
If you think you may have a medical emergency, call your doctor or emergency services immediately.