antigrain tablet - Caffeine (100mg) + Ergotamine (1mg) medicine

antigrain tablet

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🏭 Ikon Remedies Pvt Ltd 📦 Varies by brand 💊 Allopathy 📅 Updated: Sep 23, 2026
📋 Prescription Required 💊 Generic Available
Medically Reviewed
11 min read
Reviewed by
SaathiMed Expert Panel | Sep 23, 2026

What is antigrain tablet used for?

This medicine contains Caffeine (100mg) + Ergotamine (1mg) and is used to treat NEURO CNS. Ergotamine is a serotonin (5-HT1B/1D) receptor agonist causing vasoconstriction of cranial blood ves. Always consult your doctor before use.

  • Generic Name: Caffeine + Ergotamine
  • Manufacturer: Ikon Remedies Pvt Ltd
  • Form: Allopathy
  • Pregnancy Category: Category A
  • Prescription Required: Yes
💡 Did You Know? India has the highest number of USFDA-compliant plants outside the USA.

💊 antigrain tablet Uses & Benefits

Acute treatment of migraine headaches with or without aura.

Off-label uses: Cluster headaches, orthostatic hypotension (ergotamine alone).

📋 Drug Information

Generic Name(s)Caffeine + Ergotamine
Brand NameAntigrain Tablet
ManufacturerIkon Remedies Pvt Ltd
Packaging / FormVaries by brand (Allopathy)
Therapeutic ClassNEURO CNS
Action ClassAntimigraine Agent
Route of AdministrationOral
StorageStore at room temperature (20-25°C), protect from light and moisture.
Shelf LifeAs per manufacturer

🔬 How This Medicine Works (Pharmacology)

Pharmacokinetics

AbsorptionErgotamine is poorly absorbed orally; caffeine enhances absorption. Peak plasma concentration of ergotamine occurs 0.5-3 hours after oral administration.
DistributionErgotamine is extensively distributed to tissues; crosses the blood-brain barrier. Caffeine distributes throughout body water.
Protein BindingErgotamine: 90-95% bound to plasma proteins. Caffeine: 25-36% bound.
MetabolismErgotamine is extensively metabolized in the liver via CYP3A4. Caffeine is metabolized in the liver via CYP1A2.
Half-LifeErgotamine: 2-3 hours (biphasic). Caffeine: 3-6 hours.
ExcretionErgotamine: primarily via bile into feces; about 4% excreted unchanged in urine. Caffeine: less than 3% excreted unchanged in urine; metabolites in urine.
BioavailabilityErgotamine: <5% due to extensive first-pass metabolism. Caffeine: nearly 100%.
Onset of ActionErgotamine: 30 minutes to 2 hours. Caffeine: 15-45 minutes.
Peak Plasma TimeErgotamine: 0.5-3 hours. Caffeine: 30-60 minutes.
Duration of ActionErgotamine: up to 24 hours. Caffeine: 4-6 hours.

How It Works

Ergotamine is a serotonin (5-HT1B/1D) receptor agonist causing vasoconstriction of cranial blood vessels; also inhibits neurogenic inflammation. Caffeine is a CNS stimulant and vasoconstrictor; enhances ergotamine absorption and efficacy.

Mechanism Steps

1Ergotamine binds to 5-HT1B/1D receptors on cranial blood vessels.
2Activation of these receptors causes vasoconstriction of dilated cranial arteries.
3Inhibition of neurogenic inflammation via presynaptic 5-HT1D receptors.
4Caffeine blocks adenosine receptors, enhancing vasoconstriction and reducing pain perception.
5Caffeine also increases ergotamine absorption and reduces its metabolism.

💡 How to Take antigrain tablet

Follow your doctor's prescription exactly.

⚠️ Side Effects of antigrain tablet

✅ Common Side Effects

Nausea
Vomiting
Dizziness
Weakness
Paresthesia
Muscle cramps

🚨 Serious Side Effects

Myocardial ischemia
Peripheral ischemia/gangrene
Stroke
Seizures
Severe hypertension
Ergotism

⚠️ Rare Side Effects

Pleural fibrosis
Retroperitoneal fibrosis
Cardiac valvulopathy
Psychosis

Consult your doctor if you experience any unusual symptoms.

🔬 Drug Interactions

Drug Severity Effect
Sumatriptan Major Additive vasoconstriction, risk of ischemia
Ketoconazole Major Increased ergotamine levels, risk of ergotism
Propranolol Major Increased vasoconstriction, peripheral ischemia
Ciprofloxacin Major Increased caffeine levels, toxicity
Oral Contraceptives Moderate Increased ergotamine levels
Grapefruit Juice Moderate Increased ergotamine bioavailability

🚨 Major Interactions

  • CYP3A4 inhibitors (e.g., ketoconazole, erythromycin)
  • CYP1A2 inhibitors (e.g., ciprofloxacin, fluvoxamine)
  • Other vasoconstrictors (e.g., triptans, ergot alkaloids)
  • Beta-blockers (e.g., propranolol)
  • Macrolide antibiotics

⚡ Moderate Interactions

  • Oral contraceptives
  • Antifungals (azole)
  • Grapefruit juice
  • Cimetidine
  • Disulfiram

🍷 Alcohol Interaction

Alcohol may increase risk of ergotism and worsen side effects; avoid concurrent use.

🛡️ Safety & Warnings

🚫 Contraindications

Pregnancy, lactation, coronary artery disease, peripheral vascular disease, hypertension, sepsis, hepatic or renal impairment, hypersensitivity to ergot alkaloids or caffeine.

🤱 Lactation Safety

Contraindicated; ergotamine can cause ergotism in infants and reduce milk production.

💊 Overdose Management

Symptoms: nausea, vomiting, paresthesia, muscle pain, ischemia, gangrene. Treatment: symptomatic and supportive; vasodilators (e.g., nitroprusside) for vasospasm; activated charcoal if recent ingestion.

⏰ Missed Dose

Take as soon as remembered if within 1 hour; otherwise skip. Do not double dose.

🔄 Substitutes for antigrain tablet

View All

Alternative brands with exact same active ingredient:

Medical Note: Always consult your doctor before switching medications.

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