Opium Tincture

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Opium Tincture

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Medically reviewed

Laura Arias

Last updated on 22/12/2025

This page provides general, reference-level information compiled from official medical sources. It is not a substitute for professional medical advice, diagnosis, or treatment. For decisions about your health, please consult a qualified healthcare professional.

Overview of Opium Tincture

Property Description
Active Ingredient Opium Alkaloids (e.g., Morphine, Codeine)
Form Tincture (Hydroalcoholic Oral Liquid)
Pharmacological Class Narcotic Opioid, CNS Depressant
Common Use Severe Diarrhea
Origin Natural (Derived from Papaver somniferum)

What Type of Medicine is Opium Tincture?

Opium Tincture is a highly potent, liquid oral preparation classified as a narcotic opioid and a Central Nervous System (CNS) depressant. It is a strictly controlled substance primarily known by its official designation, but historically and commonly referred to as Laudanum. This medicine is clinically recognized for providing a powerful pharmacological effect in situations where non-opioid treatments are insufficient. It is defined as a tincture because it is a concentrated substance dissolved in a hydroalcoholic solution. As a distinguishing factor, Opium Tincture contains approximately twenty-five times the concentration of morphine found in related, less potent preparations like Paregoric (Camphorated Tincture of Opium).


Composition and Source of Opium Tincture

Opium Tincture is a natural and complex combination product derived from the dried latex of the opium poppy, Papaver somniferum. The preparation contains a full spectrum of naturally occurring chemical compounds known as opium alkaloids, which include the primary active ingredients Morphine, Codeine, Papaverine, and Noscapine. These compounds are extracted from the poppy and suspended in an Ethanol (alcohol) and water base. Unlike isolated single-molecule opioids, the effect of Opium Tincture is a combined result of these multiple alkaloids acting together, which characterizes the unique profile of whole opium extracts.


What is Opium Tincture Generally Used For?

Opium Tincture is generally used for its potent, rapid-acting effect on the body's involuntary muscle systems, particularly within the digestive tract, resulting in powerful antidiarrheal action. The active opioid alkaloids primarily exert an antipropulsive action, severely inhibiting the movement of intestinal contents and increasing the time available for water absorption. Furthermore, due to its classification as a potent CNS depressant, it is clinically recognized for use in stabilizing the physical symptoms associated with severe opioid withdrawal, particularly when managing conditions in neonates. This means the medication is reserved for severe symptoms, leveraging its high potency to rapidly control conditions unresponsive to typical symptomatic relief.

Regulatory References

  1. WHO Model List of Essential Medicines

What side effects are possible with Opium Tincture?

Possible side effects and safety information

The safety profile of Opium Tincture is defined by its potent narcotic opioid composition, with adverse reactions officially documented across several organ systems, primarily the Central Nervous System (CNS) and Gastrointestinal System. Regulatory labeling classifies side effects into frequency categories.

Very Common Adverse Reactions typically include constipation, drowsiness, and dry mouth. Common side effects generally listed are nausea, vomiting, dizziness, headache, and miosis (pinpoint pupils).


Serious Adverse Reactions and Safety Constraints

Official prescribing information documents the risk of life-threatening respiratory depression, characterized by severely slow or shallow breathing. The medication carries a high documented risk for developing physical dependence and addiction, which defines its classification as a Schedule II controlled substance. This risk increases with the duration and regularity of use, and abrupt discontinuation following prolonged use may precipitate withdrawal symptoms.

Population-Specific Safety Notes are explicitly stated in regulatory texts. The medicine is contraindicated for use in children, who are noted to be highly sensitive to the CNS and respiratory depressant effects. Caution is required in older adults due to increased susceptibility to effects like sedation and dizziness. Furthermore, patients with severe hepatic or renal impairment require specific caution.

Specific regulatory constraints include a warning not to confuse the highly concentrated Opium Tincture with less potent preparations and a restriction against its use for diarrhea caused by poisoning until the toxic material has been cleared.

Overdose and Emergency Response

Overdose and when to seek help

The official regulatory profile for Opium Tincture overdose centers on the rapid onset of life-threatening respiratory depression and profound central nervous system (CNS) depression. Overdose manifestations documented in official labeling include seriously slowed or shallow breathing, a progression from extreme drowsiness to coma, and unresponsiveness. Other recognized signs include pinpoint pupils, a weak pulse, low blood pressure (hypotension), and bluish coloration of the lips or nail beds (cyanosis).

Because of the high risk for respiratory failure and death, governmental health authorities mandate that immediate medical attention must be sought, and emergency services must be contacted at once if an overdose is suspected or observed. The primary severe outcome cited is the cessation of breathing (apnea).

Management procedures described in regulatory texts cite the use of naloxone as the specific opioid antagonist to temporarily reverse the effects of toxicity. However, due to the temporary nature of this antidote, repeat doses may be required, and hospital monitoring is required to prevent recurrent overdose symptoms. Regulatory guidance also notes increased sensitivity and risk for severe effects in elderly patients and individuals with severe pre-existing liver disease or chronic breathing problems.

Therapeutic Uses of Opium Tincture

Opium Tincture is a medication primarily prescribed for the management of diarrhea in adult patients. Its usage is generally reserved for severe, acute, or chronic diarrhea that has not responded adequately to other standard antidiarrheal treatments.

This medication may help to reduce the frequency of bowel movements and increase the consistency of stool. It assists in mitigating the passage of intestinal contents by affecting the motility of the digestive tract. By delaying the transit of material through the intestines, the therapy allows for a greater absorption of water from the fecal matter, which contributes to the resolution of loose stools.

In some specialized clinical settings, the medication may be used in the treatment of severe withdrawal symptoms in neonates whose mothers had opioid dependence during pregnancy. It is an approved therapy used to support symptomatic relief in these cases. It has also been recognized for use in the treatment of chronic diarrhea in short bowel syndrome patients.


Quick Facts

  • Therapeutic Domain: Treatment of diarrhea.
  • Primary Benefit: May help to reduce the frequency of bowel movements.
  • Clinical Use: Reserved for severe or chronic diarrhea not controlled by other options.
  • Secondary Use: Used in the management of severe neonatal opioid withdrawal syndrome.

Eligibility and Restrictions for Use

Eligibility Map: Who can and cannot use Opium Tincture

Official regulatory documents strictly define the eligible patient population for Opium Tincture, primarily adults for the symptomatic treatment of severe diarrhea.

Populations for Whom Use is Contraindicated

Opium Tincture is contraindicated and must not be used in several populations due to its potent narcotic effects. This includes:

  • Children and Adolescents: Contraindicated for diarrhea treatment in those under 18 years, as safety is not established.
  • Respiratory Issues: Patients with severe respiratory depression, severe COPD, or acute asthma.
  • Gastrointestinal Risk: Individuals at risk of paralytic ileus or with diarrhea caused by poisoning (until toxin elimination).
  • Organ Dysfunction: Patients with severe hepatic impairment or severe renal impairment.
  • Drug Interactions: Individuals currently taking Monoamine Oxidase Inhibitors (MAOIs) or within 14 days of stopping them.

Restricted and Conditional Use

Certain groups require special caution and usually a reduced initial dosage:

  • The Elderly and Debilitated Individuals
  • Patients with non-severe hepatic or renal insufficiency.
  • Pregnancy and Lactation: Use is not recommended during pregnancy (risk of Neonatal Opioid Withdrawal Syndrome) and is either contraindicated or advised with caution during breastfeeding.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Official regulatory information describes several clinically significant interaction patterns for Opium Tincture, primarily due to the narcotic opioid alkaloids and the ethanol content in its formulation.


Contraindicated Combinations and Enhanced Risks

Co-administration with Monoamine Oxidase Inhibitors (MAOIs) is generally prohibited due to the risk of severe central nervous system (CNS) and respiratory depression, which can occur up to 14 days after MAOI cessation. Use with certain Mixed Opioid Agonist/Antagonists (e.g., naltrexone) is also not recommended, as it may precipitate opioid withdrawal or reduce the tincture’s effectiveness.

Due to the tincture’s alcohol content, use with Disulfiram or Metronidazole is prohibited to avoid a disulfiram-like reaction.


Pharmacodynamic and Metabolic Interactions

Concomitant use with other CNS Depressants (including benzodiazepines and alcohol) poses a risk of profound sedation, coma, and severe respiratory depression; regulatory guidance restricts co-prescribing these agents. Taking Opium Tincture with serotonergic drugs may increase the risk of Serotonin Syndrome.

Regulatory documents note that co-administration with strong CYP3A4 inducers, such as Rifampicin, may increase the metabolism of opium alkaloids, potentially reducing the therapeutic effect. Opioids may also delay the absorption and decrease the exposure of oral P2Y12 antiplatelet inhibitors.

Mechanism of Action

Opium Tincture's mechanism of action is mediated by its primary active components, morphine and codeine. These alkaloids act as agonists at opioid receptors, primarily the mu-opioid receptor (mu) subtype, located in the central nervous system (CNS) and the gastrointestinal (GI) tract.

Binding of the alkaloid to the mu-opioid receptor, which is a G-protein coupled receptor ( GPCR), triggers the dissociation of the trimeric G-protein complex. This activation results in the inhibition of adenylyl cyclase and subsequent reduction in intracellular cyclic AMP ( cAMP) levels. Concurrently, it promotes the opening of G-protein inwardly rectifying potassium channels ( GIRK) and inhibits voltage-gated calcium channels CaV. These intracellular consequences lead to neuronal hyperpolarization and a reduction in neurotransmitter release, ultimately suppressing neuronal excitability and signal propagation within the CNS.

In the GI tract, this mu-receptor activation decreases peristaltic movement by reducing the release of excitatory neurotransmitters from the enteric nervous system. This system-level physiological consequence increases non-propulsive segmental contractions and prolongs the transit time of contents through the intestine.

Dosage and Administration Information

How to Use Opium Tincture

Opium Tincture, USP (Deodorized) is an extremely potent oral liquid that requires strict adherence to labeled dosing instructions to ensure precise administration. The primary administration route for this formulation is oral (by mouth).


Official Dosing and Frequency

Administration is governed by the volume of liquid, with the standardized concentration being 10 mg of anhydrous morphine per 1 mL of solution. The usual adult single dose for the management of severe diarrhea is 0.6 mL, which is typically scheduled to be taken four times a day (q.i.d.). The total amount administered in one day should not exceed 6 mL.


Preparation and Administration Specifics

Due to the highly concentrated nature of the tincture, its preparation is an essential part of the official use protocol. The prescribed volume must be measured precisely using an accurate measuring device or a calibrated dropper, and this dose must be diluted with water immediately before consumption. The medication may be taken either with food or without it.


Population-Specific Rules

Official labeling contains specific constraints regarding patient population. The Opium Tincture preparation is generally not recommended for use in children. For all patients, administration must be based on the principle of using the smallest effective dose and giving it as infrequently as possible, reflecting its classification as a Schedule II controlled substance.

Recent Clinical Evidence

Opium Tincture: Recent Clinical Evidence

Evidence for Severe Diarrhea

The medicine was studied for its potential use in adults experiencing chronic diarrhea where symptoms persisted despite other care. Research included short-term randomized clinical trials (RCTs) and cross-over studies that examined outcomes like the frequency of daily bowel movements and changes in stool consistency. Studies documented short-term measurements of shifts in bowel movement frequency. However, the evidence base is limited because sample sizes were modest, and follow-up durations were limited, typically lasting only about a week. This means that long-term effects are not fully established.

Evidence for Neonatal Opioid Withdrawal Syndrome (NOWS)

Research explored the use of the medicine in the Neonatal Opioid Withdrawal Syndrome (NOWS) context. Studies explored how symptoms evolved in newborns by tracking severity scores, duration of required therapy, and the time needed until the newborn met established criteria for discharge. Research designs included retrospective chart reviews and comparative clinical trials that evaluated the medicine alongside other therapeutic agents. Despite existing trials, the evidence is still emerging. Long-term effects are not fully established regarding the developmental outcomes for these neonates, and data for certain groups remain insufficient.

Evidence Gaps and Uncertainty

The research landscape presents several documented limitations. For instance, evidence is limited for chronic diarrhea in patients with Short Bowel Syndrome (SBS). Research describes that this specific indication has not received full regulatory approval due to the lack of formal, high-quality RCTs. A key limitation across all indications is that sample sizes were modest, meaning the results apply only to the populations studied, and findings may not be easily generalized. Evidence quality varies across studies, and data are still emerging in several critical areas.

Frequently Asked Questions (FAQ)

Common questions about Opium Tincture (FAQ)

Q: What is the difference between Opium Tincture and paregoric?

A: Official information notes that Opium Tincture is significantly more potent than the related preparation, Paregoric (Camphorated Tincture of Opium). According to the regulatory warnings, Opium Tincture contains about 25 times more morphine per volume than Paregoric. This significant difference in concentration emphasizes the need for caution.

Q: Is Opium Tincture the same as laudanum?

A: Yes, regulatory documents indicate that Opium Tincture is the name used for the preparation that was historically and commonly known as Laudanum. The current product, Opium Tincture, is a highly controlled, standardized preparation.

Q: Is Opium Tincture generally suitable for pediatric patients?

A: Official labeling generally states that Opium Tincture is not recommended for use in children for the treatment of diarrhea. However, the medicine is recognized and has been studied for use in specific situations, such as managing symptoms associated with Neonatal Opioid Withdrawal Syndrome (NOWS) in newborns.

Q: Do regulatory agencies provide any information on Opium Tincture use during pregnancy?

A: Regulatory documents state that use during pregnancy is generally not recommended due to potential risks to the developing fetus. These risks include the possibility of the baby developing Neonatal Opioid Withdrawal Syndrome (NOWS) after birth if the drug is used during pregnancy.

Q: Are there warnings about using Opium Tincture while breastfeeding?

A: Yes, official regulatory information indicates that the drug passes into breast milk and may cause undesirable effects on the infant. Consultation with a healthcare professional is noted as necessary to understand the potential effects.

Q: What is the concentration of morphine in Opium Tincture?

A: The official product information describes the preparation as being standardized to a concentration of 10 milligrams of anhydrous morphine per 1 milliliter of solution. The high concentration of the medicine makes precise administration a necessary condition of use, as stated in official labeling.

Q: Does Opium Tincture have a defined role in pain management?

A: The officially approved uses for Opium Tincture are the symptomatic treatment of severe diarrhea and the management of symptoms associated with Neonatal Opioid Withdrawal Syndrome (NOWS). Pain management is not a listed indication in these official regulatory documents.

Q: What are the storage requirements for Opium Tincture?

A: Official regulatory requirements mandate specific storage conditions. The medicine must be kept in its original, tightly closed container at controlled room temperature, protected from light, and secured in a locked area out of the reach of children to prevent accidental ingestion.

Q: Is Opium Tincture still available in the U.S. or other countries?

A: Yes, Opium Tincture is currently listed as a prescription-only medicine. It is classified as a highly controlled Schedule II substance and is available in the U.S. and other regulated markets.

Q: How long does it typically take for Opium Tincture to start working?

A: Regulatory-sourced information for the oral dosage form lists the time to onset of action as 'Unknown.' This means there is no specific, officially published time frame for when the effects begin.

Q: How long do the effects of Opium Tincture generally last?

A: According to the drug monograph, the duration of effects for the oral dosage form of Opium Tincture generally lasts approximately 4 to 5 hours.

Q: What food or drinks might interact with Opium Tincture?

A: Official regulatory information states there are no known interactions between Opium Tincture and foods or non-alcoholic drinks. However, mixing it with alcohol is strictly advised against due to the risk of severe side effects, including profound sedation.

Q: Are there any non-prescription medicines that interact with Opium Tincture?

A: Official warnings note the importance of informing a health professional about all non-prescription medicines and supplements that are being taken. This is especially true for those that cause drowsiness or sleepiness, due to the potential for increased Central Nervous System (CNS) depression.

Q: Can Opium Tincture affect a person's driving ability?

A: Regulatory warnings state that Opium Tincture may cause side effects like drowsiness, dizziness, or blurred vision. These effects can impact a person’s ability to drive or operate machinery, and regulatory information advises against driving or operating machinery until a person knows how the medicine affects them.

Q: Is Opium Tincture suitable for treating acute vs chronic diarrhea?

A: Official information indicates the medicine is used for acute, non-specific severe diarrhea. The medicine has also been studied in the context of chronic diarrhea, such as in patients with Short Bowel Syndrome (SBS), but this information is covered in the research section.

Q: Why is Opium Tincture generally reserved for severe cases?

A: The medicine is highly potent and is generally reserved for severe symptoms because of its classification as a Schedule II controlled substance. This classification is due to its recognized high risk for dependence and misuse, and because other alternatives are typically preferred for non-severe symptoms.

Q: What is the research evidence for Opium Tincture's approved indication?

A: Studies have examined the medicine for its approved indication of severe diarrhea, looking at short-term outcomes like changes in bowel movement frequency. However, the regulatory summary notes that the evidence base has limitations regarding sample size and duration, meaning long-term effects are not fully established.

Q: Is it normal to feel drowsy after taking Opium Tincture?

A: Yes, regulatory information lists drowsiness as a Very Common Adverse Reaction of Opium Tincture, meaning it is one of the effects most frequently reported by patients.

Q: Does Opium Tincture come in different strengths?

A: The preparation is standardized to a single concentration of 10 mg of anhydrous morphine per 1 mL of solution. This is the only strength described in the official U.S. regulatory information.

Q: What happens if Opium Tincture is taken with benzodiazepines?

A: Official interaction warnings state that co-administering the medicine with other central nervous system depressants, such as benzodiazepines, can result in serious adverse effects. These include profound sedation, coma, and severe respiratory depression.

Q: How is Opium Tincture supplied (e.g., bottle size, liquid form)?

A: Opium Tincture is officially supplied as an oral, hydroalcoholic liquid solution. It is a highly potent liquid that requires accurate measurement and dilution before administration.

Q: Is Opium Tincture listed as a substance with abuse potential?

A: Yes, the medicine is classified as a Schedule II controlled substance. This high-level classification is based on its recognized high potential for misuse, often referred to as abuse potential, which can lead to dependence.

Q: What happens if Opium Tincture is taken with serotonergic drugs?

A: Official interaction warnings state that concomitant use with serotonergic drugs may increase the risk of a condition known as Serotonin Syndrome. This is a potentially serious condition that involves changes to the nervous system.

Q: What laboratory tests might be affected by taking Opium Tincture?

A: Regulatory information indicates that the medicine may affect certain lab markers by causing increased levels of amylase and lipase. Additionally, the drug's components may result in a positive drug test result for opiates.

Q: How is the disposal of Opium Tincture generally done?

A: The FDA recommends that due to the high risk of accidental fatal ingestion, the medicine should be disposed of using a drug take-back program or mail-back envelope. If no program is immediately available, it is listed as one of the medicines for which immediate flushing down a toilet or sink is recommended by the FDA.

How should Opium Tincture be stored and disposed of?

How to Store and Dispose of Opium Tincture?

Opium Tincture must be stored at Controlled Room Temperature (20^circ to 25 C), protected from light, and kept from freezing. The medicine requires specific security measures: it must be stored in its original, tightly closed container and kept securely in a locked area and out of the reach of children due to the high risk of fatal accidental ingestion. Keeping the container tightly closed is required to maintain the stability of the liquid concentration.


Disposal Requirements

The preferred method for disposal is through a drug take-back program or mail-back envelope. Due to its potent, life-threatening risk upon accidental ingestion, the FDA lists Opium Tincture for immediate flushing down a toilet or sink if a take-back program is unavailable. All personal information must be removed from the container before disposal.

Attention! Always consult to a doctor or pharmacist before using pills or medicines.

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