arkamin tablet - Clonidine (100mcg) medicine

Arkamin Tablet (Clonidine 100mcg): Complete Medicine Guide

No reviews yet
🏭 Torrent Pharmaceuticals Ltd 📦 Varies by brand 💊 Allopathy 📅 Updated: Sep 23, 2026
📋 Prescription Required 💊 Generic Available
Medically Reviewed
12 min read
Evidence: Well-established for hypertension; moderate for other uses.
Reviewed by
SaathiMed Expert Panel | Sep 23, 2026

When to Call Your Doctor IMMEDIATELY

  • Severe dizziness or fainting
  • Very slow heart rate (below 50 beats per minute)
  • Chest pain or difficulty breathing
  • Sudden severe headache or blurred vision
  • Swelling of face, lips, or throat
  • Signs of depression or suicidal thoughts
  • Decreased urine output
  • Unusual bleeding or bruising

If experiencing severe symptoms, call emergency services immediately.

What is arkamin tablet used for?

This medicine is an oral tablet containing clonidine 100 micrograms, used primarily to treat high blood pressure. It works by relaxing blood vessels and slowing the heart rate. It is also used for ADHD, hot flashes, and opioid withdrawal. Take it exactly as prescribed and do not stop suddenly.

  • Generic Name: Clonidine
  • Manufacturer: Torrent Pharmaceuticals Ltd
  • Form: Allopathy
  • Pregnancy Category: Consult doctor
  • Prescription Required: Yes

🇮🇳 arkamin tablet के बारे में (Hindi Summary)

उपयोग: यह दवा मुख्य रूप से उच्च रक्तचाप (हाई ब्लड प्रेशर) के इलाज के लिए इस्तेमाल की जाती है। यह रक्त वाहिकाओं को आराम देकर और हृदय की गति को धीमा करके रक्तचाप को कम करती है। इसके अलावा, यह ADHD, मेनोपॉज़ के दौरान होने वाली गर्म लहरों (हॉट फ्लैशेस), और ओपिओइड विथड्रॉल के लक्षणों में भी मदद कर सकती है। इसे डॉक्टर के बताए अनुसार ही लें और अचानक बंद न करें।

साइड इफेक्ट्स: इस दवा के सामान्य दुष्प्रभावों में मुँह सूखना, नींद आना, चक्कर आना, कब्ज़ और थकान शामिल हैं। ये आमतौर पर हल्के होते हैं और शरीर के अभ्यस्त होने पर कम हो जाते हैं। कभी-कभी गंभीर दुष्प्रभाव जैसे बहुत कम रक्तचाप, धीमी हृदय गति, या एलर्जी हो सकती है। अगर आपको लगातार चक्कर आना, बेहोशी, या सांस लेने में तकलीफ हो, तो तुरंत डॉक्टर से संपर्क करें।

सुरक्षा सलाह: इस दवा को डॉक्टर के निर्देशानुसार ही लें। इसे अचानक बंद न करें, क्योंकि इससे रक्तचाप खतरनाक रूप से बढ़ सकता है। अगर बंद करना हो, तो डॉक्टर की सलाह से धीरे-धीरे कम करें। जब तक आपको पता न चले कि यह दवा आप पर कैसा असर करती है, तब तक वाहन चलाने या मशीनरी चलाने से बचें। शराब का सेवन न करें। गर्भावस्था या स्तनपान के दौरान डॉक्टर से सलाह लें। नियमित रूप से रक्तचाप की जांच कराएं।

💡 Did You Know? The first generic medicine was introduced in India in 1970 after the Patents Act was amended.

💊 arkamin tablet Uses & Benefits

[{"condition":"Hypertension","description":"This medicine is used to lower high blood pressure by reducing sympathetic nervous system activity, leading to decreased heart rate and vasodilation.","evidence":"Well-established"},{"condition":"Attention Deficit Hyperactivity Disorder (ADHD)","description":"Sometimes prescribed as an adjunctive treatment for ADHD, particularly in children with hyperactivity, impulsivity, and sleep disturbances.","evidence":"Moderate evidence"},{"condition":"Menopausal hot flashes","description":"Can reduce the frequency and severity of hot flashes in menopausal women, especially when hormone therapy is not suitable.","evidence":"Moderate evidence"},{"condition":"Opioid withdrawal","description":"Used off-label to manage autonomic symptoms of opioid withdrawal, such as sweating, agitation, and rapid heart rate.","evidence":"Limited evidence"}]

Off-label uses: [{"condition":"Tourette syndrome","description":"May help reduce tics in some patients, but evidence is limited.","evidence":"Limited"},{"condition":"Anxiety disorders","description":"Occasionally used for anxiety, particularly when associated with sympathetic overactivity.","evidence":"Limited"},{"condition":"Diarrhea in diabetic patients","description":"May be used to treat chronic diarrhea associated with diabetic autonomic neuropathy.","evidence":"Limited"}]

Primary treatment for: Hypertension

Also treats: ADHD, Menopausal hot flashes, Opioid withdrawal

📋 Drug Information

Generic Name(s)Clonidine
Brand NameArkamin
ManufacturerTorrent Pharmaceuticals Ltd
Packaging / FormVaries by brand (Allopathy)
Therapeutic ClassCARDIAC
Action ClassAlpha 2-adrenoceptors agonist (Central sympatholytics)
Route of AdministrationOral
StorageStore at room temperature between 15°C and 30°C (59°F to 86°F). Protect from light and moisture. Keep out of reach of children.
Shelf Life24 months from the date of manufacture.
WHO GuidelineNot established from the available information.
ICMR GuidelineNot established from the available information.

👨‍⚕️ Doctor's Practical Tips

Evidence-based practical advice from experienced clinicians

1
Take this medicine at the same time each day to maintain consistent blood levels.
2
Do not stop this medicine abruptly; your doctor will taper the dose gradually to prevent rebound hypertension.
3
Monitor your blood pressure regularly and keep a record to share with your doctor.
4
Avoid alcohol and other sedatives while taking this medicine to prevent excessive drowsiness and low blood pressure.
5
If you experience dry mouth, sip water or chew sugar-free gum; this effect usually diminishes over time.
6
Stand up slowly from a sitting or lying position to avoid dizziness.
7
Inform your doctor if you have kidney or liver disease, as dose adjustment may be needed.
8
Report any signs of depression, hallucinations, or severe dizziness to your doctor immediately.

🔍 Is This Medicine Right for Your Symptom?

Educational reference. Always consult a doctor for diagnosis.

High blood pressure
This medicine is commonly prescribed for hypertension.
Likely Use
Hot flashes
This medicine may be used off-label for menopausal hot flashes.
Likely Use
Hyperactivity in ADHD
This medicine may be used as an adjunct in ADHD.
Likely Use
Fever
This medicine is not a primary fever reducer.
Not Primary
Acute pain
This medicine is not a primary pain reliever.
Not Primary

🔬 How This Medicine Works (Pharmacology)

Pharmacokinetics

AbsorptionThis medicine is rapidly and almost completely absorbed after oral administration. Bioavailability is approximately 75-95% due to some first-pass metabolism. Food does not significantly affect the extent of absorption but may slightly delay the onset.
DistributionClonidine is highly lipophilic and distributes widely into body tissues, including the brain. It crosses the blood-brain barrier and the placenta. The volume of distribution is approximately 2.1 L/kg.
Protein BindingApproximately 20-40% bound to plasma proteins.
MetabolismAbout 50% of the dose is metabolized in the liver, primarily by cytochrome P450 enzymes, to inactive metabolites. The remaining drug is excreted unchanged in the urine.
Half-LifeThe elimination half-life of clonidine is approximately 6-24 hours, with an average of 12-16 hours in patients with normal renal function. It is prolonged in patients with renal impairment.
ExcretionClonidine and its metabolites are excreted primarily in the urine (about 40-60% as unchanged drug) and to a lesser extent in feces. Renal clearance is approximately 1.5-2.5 mL/min/kg.
BioavailabilityApproximately 75-95%
Onset of ActionThe onset of antihypertensive effect after oral administration is within 30-60 minutes.
Peak Plasma TimePeak plasma concentrations are reached within 1-3 hours after oral administration.
Duration of ActionThe antihypertensive effect lasts approximately 6-12 hours after a single oral dose.

How It Works

This medicine works by selectively stimulating alpha-2 adrenergic receptors in the brainstem, particularly in the locus coeruleus and nucleus tractus solitarii. This stimulation reduces the release of norepinephrine and decreases sympathetic outflow from the central nervous system. As a result, heart rate slows, blood vessels dilate, and blood pressure decreases. Additionally, clonidine can reduce the release of renin from the kidneys, further contributing to its blood pressure-lowering effect. Its sedative and analgesic properties are also mediated through central alpha-2 receptor activation.

Mechanism Steps

1
Binding to alpha-2 receptors: This medicine binds to alpha-2 adrenergic receptors in the brainstem, particularly in the locus coeruleus.
2
Reduced norepinephrine release: Activation of these receptors inhibits the release of norepinephrine from presynaptic neurons.
3
Decreased sympathetic outflow: This leads to reduced sympathetic nervous system activity, resulting in lower heart rate and vasodilation.
4
Lower blood pressure: The combined effects of reduced cardiac output and peripheral resistance lead to a decrease in blood pressure.

💡 How to Take arkamin tablet

Strength: Immediate-release oral tablet containing 100 micrograms of clonidine.

1Take this medicine orally with or without food, as prescribed by your doctor.
2Swallow the tablet whole with a glass of water.
3Take it at the same times each day to maintain consistent blood levels.
4Do not crush, chew, or break the tablet unless instructed by your doctor.
5If you miss a dose, follow the missed dose instructions.
6Do not stop taking this medicine suddenly without consulting your doctor.

Dosage Information

Adult DosageThe usual starting dose for hypertension is 100 micrograms (0.1 mg) twice daily, with or without food. The dose may be increased gradually by 100 micrograms per day until the desired blood pressure control is achieved. The maximum recommended dose is 600 micrograms (0.6 mg) per day in divided doses. For other indications, the dose may vary. Dose must be individualized by a qualified clinician based on indication, age, weight, renal and hepatic function.
Pediatric DosagePediatric dosing is not established from available information. Consult a pediatrician.
Elderly DosageElderly patients may be more sensitive to the effects of clonidine, especially drowsiness, dizziness, and hypotension. Start with a lower dose and titrate slowly. Monitor renal function as it may be decreased in the elderly.
Renal ImpairmentIn patients with renal impairment, the half-life of clonidine is prolonged. Dose reduction may be necessary. Start with a lower dose and monitor closely. Consult your doctor for individualized dosing.
Hepatic ImpairmentIn patients with hepatic impairment, clonidine should be used with caution. Dose adjustment may be required. Consult your doctor for individualized dosing.
Maximum Daily Dose600 micrograms (0.6 mg) per day in divided doses for hypertension.

Dosage Timeline

🌅 Morning ❌ ☀️ Afternoon ❌ 🌆 Evening ❌ 🌙 Night ❌

🍽️ Food Timing Guide

With or without food
Can be taken with or without food
Food does not significantly affect absorption.
High-fat meals
May delay absorption
Fatty foods can slow gastric emptying, delaying the onset of effect.
Grapefruit juice
Avoid excessive intake
May increase clonidine levels by affecting liver enzymes.

⏰ What to Do If You Miss a Dose

📌 Less than half the dosing interval has passed
→ Take the missed dose as soon as you remember.
💡 Continue with the regular schedule.
📌 More than half the dosing interval has passed
→ Skip the missed dose.
💡 Do not double dose to catch up.

⚠️ Side Effects of arkamin tablet

✅ Common Side Effects

Dry mouth (Very common (>10%))
Sip water, chew sugar-free gum, or use saliva substitutes. Consult doctor if severe.
Drowsiness (Common (5-10%))
Avoid driving or operating machinery until effect wears off. Usually diminishes with continued use.
Dizziness (Common (5-10%))
Stand up slowly. Avoid sudden changes in posture. Consult doctor if persistent.
Constipation (Common (5-10%))
Increase fiber and fluid intake. Consult doctor if severe or persistent.
Fatigue (Common (5-10%))
Get adequate rest. Consult doctor if it interferes with daily activities.

🚨 Serious Side Effects

Severe hypotension (Rare (<0.1%))
Seek immediate medical attention if you experience fainting, severe dizziness, or blurred vision.
Bradycardia (Rare (<0.1%))
Contact your doctor if you have a very slow pulse, chest pain, or shortness of breath.
Allergic reactions (Rare (<0.1%))
Seek emergency help if you develop rash, itching, swelling of face or throat, or difficulty breathing.
Mental depression (Rare (<0.1%))
Report persistent sadness, loss of interest, or changes in mood to your doctor.

⚠️ Rare Side Effects

Hallucinations
Seek immediate medical attention if you see or hear things that are not there.
Skin rash
Consult your doctor if you develop a rash or itching.
Gynecomastia
Consult your doctor if you notice breast enlargement or tenderness.

Consult your doctor if you experience any unusual symptoms.

🔬 Drug Interactions

Drug Severity Effect
Beta-blockers Major
Tricyclic antidepressants Major
MAOIs Major
Sedatives Moderate
Alcohol Moderate
NSAIDs Moderate
Antihistamines Minor
Antacids Minor

🚨 Major Interactions

  • Beta-blockers
  • Tricyclic antidepressants
  • Monoamine oxidase inhibitors (MAOIs)

⚡ Moderate Interactions

  • Sedatives and hypnotics
  • Alcohol
  • NSAIDs

🍷 Alcohol Interaction

Alcohol can enhance the sedative and blood pressure-lowering effects of this medicine, leading to increased drowsiness, dizziness, and risk of fainting. It is advisable to avoid alcohol while taking this medicine.

🔎 Check Your Other Medicines

Educational tool. Always confirm with your doctor or pharmacist.

🛡️ Safety & Warnings

🚫 Contraindications

["Hypersensitivity to clonidine or any component of the formulation","Severe bradycardia or heart block","Severe hypotension","Concurrent use with MAO inhibitors","Pregnancy (relative contraindication; use only if clearly needed)"]

⚠️ Warnings & Precautions

["Do not discontinue abruptly; taper dose gradually to avoid rebound hypertension.","May cause drowsiness; avoid driving or operating machinery until you know how it affects you.","Use with caution in patients with renal impairment; dose adjustment may be needed.","Use with caution in patients with depression or a history of psychiatric disorders.","May cause dry mouth; maintain good oral hygiene and hydration.","Avoid alcohol and other CNS depressants.","Inform your doctor if you are pregnant, planning to become pregnant, or breastfeeding.","Monitor blood pressure regularly and keep follow-up appointments."]

🤱 Lactation Safety

Clonidine is excreted in human breast milk. Because of the potential for serious adverse reactions in nursing infants, a decision should be made whether to discontinue nursing or to discontinue the drug, taking into account the importance of the drug to the mother. Consult your doctor before breastfeeding.

💊 Overdose Management

Overdose of this medicine can cause severe hypotension, bradycardia, respiratory depression, hypothermia, and coma. If overdose is suspected, seek emergency medical attention immediately. Treatment is supportive and symptomatic. Gastric lavage may be considered if ingestion is recent. Naloxone may be used to reverse respiratory depression, and atropine may be used for bradycardia. Hemodialysis is not effective in removing clonidine.

⏰ Missed Dose

If you miss a dose, take it as soon as you remember. If it is almost time for your next dose, skip the missed dose and continue with your regular schedule. Do not double the dose to catch up. If you miss multiple doses, consult your doctor before resuming.

Additional Safety Advice

General Safety

Take this medicine exactly as prescribed by your doctor. Do not stop taking it suddenly, as this can cause a dangerous rise in blood pressure. If you need to discontinue, your doctor will reduce the dose gradually. Avoid driving or operating heavy machinery until you know how this medicine affects you, as it can cause drowsiness or dizziness. Stand up slowly from a sitting or lying position to prevent dizziness. Inform your doctor if you are pregnant, planning to become pregnant, or breastfeeding. Avoid alcohol while taking this medicine, as it can increase drowsiness and low blood pressure. Keep all appointments for blood pressure monitoring and blood tests. Store this medicine at room temperature, away from moisture and heat. Do not share this medicine with others, even if they have similar symptoms.

👴 Special Considerations for Elderly

💡 For Patients Above 65

Elderly patients may be more sensitive to the effects of this medicine, especially drowsiness, dizziness, and low blood pressure. Start with a lower dose and titrate slowly. Monitor renal function regularly, as it may be decreased in the elderly. Falls risk may be increased due to dizziness; take precautions.

🤰 Pregnancy Planning (TTC)

If you are planning to become pregnant, consult your doctor before conception. This medicine is Pregnancy Category C and should be used during pregnancy only if clearly needed. Your doctor may switch you to a safer alternative. Do not stop the medicine on your own.

🏥 Post-Surgery Considerations

Inform your surgeon and anesthesiologist that you are taking this medicine. It may interact with anesthetic agents and affect blood pressure and heart rate during surgery. Your doctor may adjust the dose or temporarily switch to another medicine before surgery. Do not stop the medicine without medical advice.

🦷 Dental Procedures

Inform your dentist that you are taking this medicine, as it can cause dry mouth and may interact with certain dental anesthetics or sedatives. Maintain good oral hygiene to prevent dental problems associated with dry mouth. Your dentist may recommend saliva substitutes or fluoride treatments.

💚 Lifestyle Tips for Better Results

🏃
Maintain a healthy weight to help control blood pressure.
🥗
Reduce salt intake to enhance the blood pressure-lowering effect.
😴
Engage in regular physical activity like walking, swimming, or cycling.
💧
Practice stress-reduction techniques such as deep breathing or meditation.
🧘
Get adequate sleep and maintain a regular sleep schedule.
🌞
Avoid smoking and limit caffeine intake.
🚭
Monitor your blood pressure at home and keep a log.

🏋️ Exercise Considerations

This medicine can cause dizziness and drowsiness, especially when starting treatment or changing doses. Avoid strenuous exercise or activities that require alertness until you know how the medicine affects you. Stay hydrated during exercise, as dehydration can increase the risk of low blood pressure. Consult your doctor before starting any new exercise regimen.

🥗 Diet Recommendations

Follow a low-sodium diet to help control blood pressure.
Include potassium-rich foods like bananas, oranges, and spinach.
Eat a balanced diet rich in fruits, vegetables, and whole grains.
Limit processed foods and added sugars.
Stay well hydrated unless otherwise advised.

💼 Impact on Daily Work & Life

This medicine may cause drowsiness, dizziness, and dry mouth, which can affect your ability to drive or operate machinery. Avoid these activities until you know how the medicine affects you. It may also cause fatigue, which can impact work performance. Adjust your schedule if needed and inform your employer if your job requires alertness. Most side effects diminish over time.

🛑 When to Stop This Medicine

Do not stop this medicine without consulting your doctor. If you experience severe side effects or your doctor decides to discontinue, the dose will be tapered gradually over several days to weeks to prevent rebound hypertension. If you need to stop for any reason, contact your healthcare provider for guidance.

📅 Long-Term Use Effects

Long-term use of this medicine may lead to tolerance, requiring dose adjustments. It can cause sodium and water retention, and may reduce heart rate. Regular monitoring of blood pressure, heart rate, and renal function is recommended. Some patients may experience depression or sexual dysfunction with prolonged use. Periodic evaluation by a doctor is necessary to assess continued benefit and adjust therapy.

🌿 Non-Medicine Approaches

These can complement medicine but do not replace prescribed treatment.

Lifestyle modifications

Diet, exercise, and stress reduction can help lower blood pressure and may reduce the need for medication.

Evidence: Well-established
Other antihypertensive classes

ACE inhibitors, ARBs, calcium channel blockers, and diuretics are alternative options for hypertension.

Evidence: Well-established
Biofeedback and relaxation techniques

Can complement medical therapy for hypertension and ADHD.

Evidence: Moderate

💉 Vaccination Considerations

💉 If You're Getting Vaccinated

There are no known interactions between this medicine and vaccines. However, if you are scheduled for vaccination, inform your healthcare provider about all medicines you are taking. Continue taking this medicine as prescribed unless your doctor advises otherwise.

📦 Storage Guide

✅ DO

Store at room temperature (15-30°C)

❌ DON'T

Do not refrigerate unless specified

✅ DO

Keep in original container

❌ DON'T

Do not transfer to unmarked containers

✅ DO

Keep away from direct sunlight and moisture

❌ DON'T

Do not store in bathroom cabinet

✅ DO

Keep out of reach of children

❌ DON'T

Do not use after expiry date

✈️ Traveling with This Medicine

When traveling, carry this medicine in its original packaging with a copy of your prescription. Keep it in your carry-on luggage to avoid loss or temperature extremes. If crossing time zones, consult your doctor about adjusting the dosing schedule. Store at room temperature and avoid leaving it in a hot car. Check customs regulations for carrying prescription medicines to your destination.

💰 Cost Analysis & Savings

👥 Real Patient Stories

Educational, anonymized scenarios. Individual results may vary.

👤 A 55-year-old man with newly diagnosed hypertension
He was prescribed this medicine 100 mcg twice daily. Initially, he experienced dry mouth and drowsiness, but these diminished after a week. His blood pressure gradually normalized. He learned to take it at the same time each day and never skipped doses. He also started walking daily and reduced salt intake.
💡 Lesson: Consistency and lifestyle modifications enhance the effectiveness of this medicine. Side effects often improve with time.
👤 A 40-year-old woman with menopausal hot flashes
She was prescribed this medicine off-label for severe hot flashes that interfered with her sleep. Within two weeks, the frequency and intensity of hot flashes reduced significantly. She reported mild drowsiness initially but it resolved. She was advised not to stop the medicine suddenly.
💡 Lesson: This medicine can be effective for off-label uses like hot flashes, but must be taken under medical supervision and tapered if discontinued.

💬 Questions Patients Often Ask

Q: How long does it take to work?

A: The antihypertensive effect begins within 30-60 minutes after oral administration, with peak effect in 1-3 hours. However, full benefits may take several days to weeks.

Q: Can I stop taking this medicine suddenly?

A: No, stopping suddenly can cause a dangerous rebound increase in blood pressure. Always consult your doctor before discontinuing; the dose should be tapered gradually.

Q: Is this medicine safe during pregnancy?

A: It is Pregnancy Category C. Use only if the potential benefit justifies the potential risk to the fetus. Consult your doctor.

Q: Can I drink alcohol while taking this medicine?

A: It is advisable to avoid alcohol as it can enhance the sedative and blood pressure-lowering effects, leading to increased drowsiness and dizziness.

Q: What are the common side effects?

A: Common side effects include dry mouth, drowsiness, dizziness, constipation, and fatigue. These often diminish with continued use.

🤔 Common Patient Concerns

💭 These are the concerns patients most commonly raise

  • Can I take this medicine long-term?
  • Will it affect my kidney function?
  • Can I drive after taking this medicine?
  • Does it interact with my blood pressure medicine?
  • What if I miss a dose?
  • Can I drink alcohol while taking this?
  • Is it safe during pregnancy?
  • How long does it take to work?

🔄 Substitutes for arkamin tablet

View All

Alternative brands with exact same active ingredient:

Medical Note: Always consult your doctor before switching medications.

🛑 Myths vs. Facts

  • Myth: This medicine can be stopped abruptly once blood pressure is normal.
    Fact: No, stopping suddenly can cause a dangerous rebound increase in blood pressure. Always taper gradually under medical supervision.
  • Myth: This medicine is only for high blood pressure.
    Fact: It is also used for ADHD, menopausal hot flashes, and opioid withdrawal, among other conditions.
  • Myth: This medicine is safe to take during pregnancy without any risk.
    Fact: It is Category C; use only if the potential benefit justifies the potential risk to the fetus. Consult your doctor.

🔄 Alternative Options

Generic Alternatives

  • Clonidine 100 mcg tablet

Brand Alternatives

  • Arkamin tablet
  • Catapres tablet
  • Clonidine tablet

📊 Comparison with Similar Medicines

[{"medicine":"Clonidine","class":"Alpha-2 agonist","primary_use":"Hypertension","common_side_effects":"Dry mouth, drowsiness, dizziness"},{"medicine":"Methyldopa","class":"Alpha-2 agonist","primary_use":"Hypertension in pregnancy","common_side_effects":"Sedation, dry mouth, headache"},{"medicine":"Guanfacine","class":"Alpha-2 agonist","primary_use":"ADHD, hypertension","common_side_effects":"Drowsiness, fatigue, headache"}]

😊 Was this information helpful?

Browse Medicines A-Z

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Back to Medicines Directory