General May 12, 2026 · 7 min read

Part 2: Tramadol Hydrochloride – The Seizure-Prone Synthetic Opioid

A comprehensive clinical and harm-reduction guide to Tramadol Hydrochloride in the Indian context, covering pharmacology, NDPS regulations, and market pricing as of 2026.

Tramadol Hydrochloride: The Synthetic Bridge Between Pain and Peril

Tramadol Hydrochloride occupies a unique and often misunderstood position in the pharmacopeia of analgesics. Developed in the 1960s by the German firm Grünenthal GmbH, it was marketed as a “safer” alternative to traditional opioids like Morphine. However, its complex dual mechanism of action—acting both as a mu-opioid receptor agonist and a Serotonin-Norepinephrine Reuptake Inhibitor (SNRI)—has led to a surge in non-medical use, clinical complications, and a significant public health crisis in India.

This second installment of our 50-part series provides an exhaustive analysis of Tramadol, tailored for the Indian landscape in 2026.

1. Substance Profile & Classification

Generic Name: Tramadol Hydrochloride
Chemical Class: Synthetic Opioid (Phenylcyclohexanol derivative)
Therapeutic Class: Centrally acting analgesic
Indian Legal Status:
- Schedule H1 Drug: Mandatory record-keeping of sales; requires a valid prescription.
- NDPS Act Status: Since April 26, 2018, Tramadol is classified as a Psychotropic Substance under the Narcotic Drugs and Psychotropic Substances (NDPS) Act, 1985. Possession without a prescription is a criminal offense.

2. Market Availability and Pricing in India (May 2026)

In India, Tramadol is available in various forms: immediate-release capsules, sustained-release (SR) tablets, and intravenous/intramuscular injections.

A. PMBJP (Jan Aushadhi Kendra) Availability

The Jan Aushadhi initiative remains a vital source for affordable Tramadol, especially for patients requiring chronic pain management for cancer or orthopedic surgery.

Medicine Name	Unit Size	Jan Aushadhi Price (INR)
Tramadol Capsules IP 50 mg	10’s	₹7.50
Tramadol Injection IP 100mg/2ml	1 Ampoule	₹7.50
Tramadol (37.5mg) + Paracetamol (325mg)	10’s	₹12.38
Diclofenac (50mg) + Tramadol (75mg) SR	10’s	₹18.75

B. Branded Market Prices (Commercial Sector)

Private pharmaceutical companies market Tramadol under several well-known brands. Prices are significantly higher than Jan Aushadhi equivalents.

Brand Name	Manufacturer	Strength	Approx. Market Price (INR)
Tramacip	Cipla Ltd.	50mg (10 Caps)	₹38.00
Contramal	Abbott India	50mg (10 Caps)	₹78.00
Domadol	Torrent Pharmaceuticals	50mg (10 Caps)	₹72.00
Ultracet	Janssen (J&J)	37.5mg + 325mg (15 Tabs)	₹265.00
Tramazac	Zydus Cadila	50mg (10 Caps)	₹65.00
Trama	Sun Pharma	50mg (10 Caps)	₹68.00
Supridol	Neon Laboratories	100mg/2ml Inj	₹32.00

[!WARNING] Schedule H1 and NDPS Monitoring: Tramadol was moved to the NDPS Schedule to combat its misuse as a “fighting drug.” In 2026, pharmacists are required to maintain strict H1-compliant audit trails for every strip sold.

[!NOTE] Branded prices are subject to GST and regional variations. Always verify at the point of sale.

3. Clinical Pharmacology

Mechanism of Action (The “Dual” Path)

Tramadol’s efficacy stems from two distinct yet synergistic pathways:

Opioid Pathway: It is a weak agonist at the μ-opioid receptors. However, its primary metabolite, O-desmethyltramadol (M1), has a 200-fold higher affinity for these receptors than the parent compound.
Monoaminergic Pathway: It inhibits the reuptake of Serotonin and Norepinephrine in the spinal cord, modulating descending pain inhibitory pathways.

Pharmacokinetics

Absorption: Rapidly absorbed from the GI tract (Bioavailability ~75%).
Metabolism: Extensively metabolized in the liver via the CYP2D6 and CYP3A4 enzymes.
The CYP2D6 Factor: Just like Codeine, individuals who are “Poor Metabolizers” of CYP2D6 may experience little pain relief, while “Ultra-Rapid Metabolizers” are at a higher risk of toxicity.
Half-life: ~6.3 hours for the parent drug; ~7.4 hours for the M1 metabolite.
Excretion: Primarily via the kidneys (90%).

4. The Spectrum of Euphoria and Misuse

Tramadol is often colloquially referred to as “Fighter” or “Power” in certain regions of India due to its stimulating effects.

Euphoria Profile: Unlike the heavy, sedating “nod” of Morphine, Tramadol induces a unique state of “Productive Euphoria”. Users often report feeling energized, socially confident, and capable of performing manual labor for extended periods. This is attributed to its SNRI properties.
The “Itch”: Significant histamine release often causes intense itching, a hallmark sign of high-dose usage.
Dosage Thresholds:
- Therapeutic: 50mg to 100mg every 4–6 hours.
- Maximum Daily Dose: 400mg. Exceeding this is a critical clinical boundary.
- Abuse Doses: Individuals with high tolerance have been documented consuming 1,000mg to 3,000mg daily, leading to inevitable neurological damage.

5. Critical Risks: Seizures and Serotonin Syndrome

A. The Seizure Threshold

Tramadol is notorious for its ability to lower the seizure threshold. This risk is dose-dependent but can occur even at therapeutic doses (e.g., 50mg) in sensitive individuals.

The “Grand Mal” Risk: High doses (>400mg) frequently trigger generalized tonic-clonic seizures.
Dangerous Combinations: Combining Tramadol with Alcohol, Antidepressants (SSRIs/SNRIs), or Antipsychotics exponentially increases the risk of status epilepticus.

B. Serotonin Syndrome

Due to its inhibition of serotonin reuptake, excessive Tramadol can lead to a life-threatening accumulation of serotonin.

Mnemonic for Symptoms: M.A.N.
- Mental Status Changes (Confusion, Agitation, Coma).
- Autonomic Hyperactivity (Fever, Sweating, Tachycardia).
- Neuromuscular Abnormalities (Tremor, Hyperreflexia, Clonus).

6. Toxicity and Overdose

Lethality

While Tramadol is considered “less potent” than Fentanyl, its toxicity is insidious. The LD50 in humans is not precisely defined due to variability, but respiratory depression can occur at doses as low as 500mg in opioid-naive individuals.

Overdose Warning Signs

Pinpoint Pupils (Miosis).
Respiratory Depression (Breathing fewer than 8 times per minute).
Extreme Somnolence (Difficulty staying awake).
Seizures (Sudden loss of consciousness followed by jerking movements).
Muscle Rigidity (Particularly in the chest wall, making breathing impossible).

Emergency Response:

Call 102/108 immediately.
If available, administer Naloxone (Narcan). Note that Naloxone reverses the opioid effects but may not reverse the seizure or serotonin-related toxicity.
Place the individual in the Recovery Position to prevent aspiration of vomit.

7. Legal Implications and the NDPS Act

Following the 2018 notification, Tramadol enforcement in India has intensified.

Commercial Quantity: 250 grams or more.
Small Quantity: 5 grams or less.
Punishment: Possession of commercial quantities can lead to 10 to 20 years of rigorous imprisonment and a fine of up to ₹2 Lakhs.
Prescription Rule: Pharmacists must maintain a separate register for Schedule H1 drugs (like Tramadol) and preserve copies of prescriptions for two years.

8. Addiction and Recovery

Tramadol addiction is characterized by a “double withdrawal” syndrome.

Opioid Withdrawal: Muscle aches, diarrhea, goosebumps, and intense cravings.
Antidepressant Withdrawal: “Brain zaps,” severe anxiety, depression, and insomnia.

Resources for Help in India

National Toll-Free Drug De-addiction Helpline: 14446
AIIMS National Drug Dependence Treatment Centre (NDDTC): Ghaziabad, UP.
Narcotics Anonymous (NA) India: www.naindia.in

9. Harm Reduction Strategies (For Clinical Awareness)

Never Combine with Alcohol: This is the leading cause of fatal Tramadol overdoses in India.
Avoid the “Cold Turkey” Trap: Abruptly stopping high doses can trigger life-threatening seizures. Tapering must be medically supervised.
The “400mg Rule”: Never exceed 400mg in a 24-hour window, regardless of perceived tolerance.
Liver Health: Chronic high-dose usage, especially in combinations with Paracetamol (like Ultracet), can lead to irreversible liver failure (Hepatotoxicity).

Next in the Series: Part 3: Tapentadol – The New-Age Opioid and the “NRI” Mechanism

Disclaimer: This article is for educational and harm-reduction purposes only. It does not encourage the use of illicit substances. Always consult a licensed medical professional for pain management.

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