Drug trafficking offenses under Turkish law carry severe criminal penalties. However, not every substance capable of producing narcotic or stimulant effects has the same legal character.
Certain pharmaceutical products may be lawfully manufactured, prescribed and used for medical treatment while containing controlled active ingredients. If these medicines are imported, transported, supplied or possessed under circumstances amounting to unlawful trafficking, Article 188 of the Turkish Penal Code may become applicable.
Article 188/6 addresses this particular category of substances. It provides that the preceding provisions of Article 188 also apply to substances whose production is subject to authorization by public authorities or whose sale requires a prescription issued by an authorized physician, provided that they produce a narcotic or stimulant effect. In such cases, the sentence may be reduced by up to one half.
This provision can have decisive consequences in proceedings involving controlled medicines. It is particularly relevant to foreign nationals carrying prescription medication through Turkish airports, international passengers transporting pharmaceutical products and persons accused of importing or supplying medicines containing controlled active ingredients.
However, Article 188/6 is not an automatic “prescription medicine reduction.” Its application requires a structured assessment of the substance, the alleged act, the purpose of possession and the accused person’s knowledge and intent.
Article 188 regulates the manufacture and trafficking of narcotic or stimulant substances. Depending on the circumstances, it covers manufacture, importation, exportation, sale, offering for sale, supply, transportation, storage, purchase, receipt and possession for trafficking purposes.
Paragraph six extends this framework to a special category of medically or officially regulated substances.
For Article 188/6 to apply, two statutory conditions must be satisfied:
The production of the substance must be subject to authorization by public authorities, or its sale must require a prescription issued by an authorized physician.
The substance must produce a narcotic or stimulant effect.
Where these conditions are present, the relevant offense under the preceding paragraphs of Article 188 may still be established. However, the court may reduce the resulting sentence by up to one half.
The provision therefore does not exclude controlled pharmaceutical products from drug-trafficking legislation. Instead, it recognizes their different legal and pharmacological nature and creates a special sentencing rule.
The fact that a medicine requires a prescription is not sufficient by itself.
Many pharmaceutical products are sold only on prescription because of their side effects, medical risks or need for professional supervision. This does not automatically bring them within Article 188/6.
The product must also produce a narcotic or stimulant effect.
The investigation must therefore identify more than the commercial name appearing on the packaging. The relevant examination should establish:
the active pharmaceutical ingredient,
the concentration of that ingredient,
whether it produces a narcotic or stimulant effect,
whether its production is subject to official authorization,
whether its sale is prescription-controlled, and
whether the statutory conditions of Article 188/6 are satisfied.
The legal classification should be based on the actual properties of the substance rather than merely on its appearance as a tablet, capsule or other pharmaceutical product.
Article 188/6 does not create an independent offence known as trafficking in prescription medicines.
The court must first determine which act under Article 188 is attributed to the accused.
The allegation may concern:
manufacture,
importation,
exportation,
sale,
offering for sale,
supply,
transportation,
storage,
purchase,
receipt, or
possession for trafficking purposes.
Only after identifying and proving the underlying act should the court consider whether the substance falls within the special category described in paragraph six.
Article 188/6 affects the treatment of the substance and the resulting punishment. It does not remove the requirement to prove the objective and subjective elements of the alleged trafficking offence.
A valid prescription may be highly relevant where the accused states that the medicine was possessed or transported for personal treatment. However, the existence of a prescription does not automatically resolve the criminal case.
The prescription must be connected to the specific facts. It should be examined whether it relates to:
the person carrying the medicine,
the active ingredient discovered,
the quantity involved,
the prescribed dosage,
and the relevant treatment period.
A reasonable quantity carried in original pharmacy packaging together with medical documents presents a different factual situation from thousands of tablets divided into packages or transported with evidence of intended distribution.
Indicators supporting personal medical use may include:
a valid prescription,
medical and hospital records,
an established treatment history,
a quantity compatible with the prescribed dosage,
original packaging,
and consistency between the medicine and the person’s diagnosed condition.
By contrast, a trafficking allegation may be supported by factors such as unusually large quantities, concealment, packaging prepared for transfer, commercial communications, payment records, repeated transportation or evidence identifying intended recipients.
No single factor should automatically determine the outcome. The prescription, quantity, packaging and surrounding evidence must be considered together.
The purpose for which the substance was acquired or possessed can fundamentally affect the legal characterization.
Article 188 concerns manufacture and trafficking, whereas Article 191 regulates purchasing, accepting or possessing a narcotic or stimulant substance for personal use, as well as the act of using such a substance.
The same pharmaceutical substance may therefore appear in proceedings under either provision. The decisive issue is not merely what the product contains, but why the accused acquired, possessed or transported it.
Where the medicine was prescribed and carried for genuine treatment, the first question may be whether any drug offence has been committed at all. Where lawful medical possession cannot be established but the evidence indicates personal consumption rather than distribution, the distinction between Articles 188 and 191 becomes particularly important.
Possession of controlled medicine does not establish trafficking merely because it contains a narcotic or stimulant ingredient. Concrete evidence concerning sale, supply or another trafficking purpose must be assessed.
A medicine being lawfully prescribed in another country does not necessarily mean that it may be brought into Turkey without restriction.
Pharmaceutical and controlled-substance regulations differ between jurisdictions. A medicine lawfully prescribed and possessed abroad may contain an ingredient subject to stricter controls under Turkish law.
Cross-border cases therefore require separate consideration of the following questions:
Was the medicine lawfully prescribed abroad?
Is its active ingredient controlled in Turkey?
Was authorization required to bring it into Turkey?
Was the quantity consistent with personal treatment?
Did the accused know the nature and quantity of the medicine?
Was Turkey the intended destination?
Was the medicine intended for sale, delivery or personal use?
The legality of the product in another country is relevant evidence, but it does not by itself determine its treatment under Turkish criminal law.
Equally, the discovery of controlled medication at the border should not automatically be regarded as proof of drug trafficking.
Article 188/6 frequently becomes relevant in investigations arising at Turkish airports.
Foreign passengers may carry controlled medicines for pain management, psychiatric treatment, neurological disorders, sleep disorders or other medical conditions. Legal difficulties may arise where:
the prescription was issued abroad,
the documents are in a foreign language,
the passenger is carrying medication for an extended treatment period,
the medicine belongs to another person,
several packages are discovered,
the passenger is transporting medicine for a relative,
or Turkey is only a transit point.
The passenger’s first statement may significantly affect the course of the investigation. Language barriers, unfamiliarity with Turkish law and misunderstandings concerning ownership or intended use can result in incomplete or inaccurate statements.
The medicine, supporting documents, travel route and explanation of the passenger should therefore be assessed as a whole from the earliest stage of the investigation.
In international transit cases, it may be necessary to distinguish importation from transportation. These are separate acts under Article 188 and should not be treated as interchangeable.
The distinction is particularly important because the applicable sentencing ranges are substantially different.
Under Article 188/1, unlawful manufacture, importation or exportation of a narcotic or stimulant substance is punishable by imprisonment from twenty to thirty years. Under Article 188/3, transporting, transferring, storing, selling, supplying or possessing such substances within Turkey is punishable by imprisonment of not less than ten years.
The minimum sentence for importation is therefore twice the statutory minimum applicable to transportation. Correct legal characterization may consequently create a difference of many years before Article 188/6 or any other increase or reduction is applied.
Relevant circumstances may include:
the country of departure,
the passenger’s complete travel route,
the final destination of the substance,
whether it was intended to remain in Turkey,
whether it was to be delivered to a person in Turkey,
whether Turkey was merely a connecting point,
and the manner in which the journey was organized.
The fact that a substance physically entered Turkish territory should not, by itself, automatically determine that the offense constitutes importation.
The intended destination of the substance, the purpose of the journey and the circumstances of transit must be examined together.
This distinction can be decisive for passengers travelling through Istanbul or another Turkish airport between two foreign countries. Where the substance was not intended to enter the Turkish market or remain in Turkey, the difference between importation and transportation may directly affect both the offence attributed to the accused and the potential sentence.
Article 188 offences require intent.
The discovery of controlled medicine in luggage does not eliminate the need to determine the accused person’s knowledge and role.
The investigation should examine whether the accused knew:
that the medicine was in the luggage,
what type of medicine it was,
the quantity being transported,
the purpose of the transportation,
and whether the substance was intended for sale or delivery.
This is particularly important where a person states that a package, suitcase or medicine was carried for someone else.
Physical possession is relevant evidence, but criminal responsibility should not be based solely on the fact that the substance was found in luggage associated with the accused. Awareness of the substance and intentional participation in the alleged conduct must also be established.
Quantity is an important evidential factor, but it should not be assessed mechanically.
A comparatively high quantity may sometimes be explained by long-term treatment, extended international travel or limited access to the same medicine in another country.
Conversely, a smaller quantity may still form part of trafficking activity where communications, financial evidence or other circumstances establish an intention to sell or supply.
In pharmaceutical cases, the prescribed dosage, treatment period and number of units per package can provide objective reference points.
Quantity should therefore be evaluated in connection with medical records, packaging, travel duration and the remaining evidence rather than as an isolated fact.
Correct technical identification of the substance is essential.
The expert examination should establish:
the active ingredient,
its concentration,
whether it produces a narcotic or stimulant effect,
whether production requires official authorization,
whether sale requires a prescription,
and whether the substance falls within Article 188/6.
An expert report that merely identifies a chemical ingredient may not be sufficient if it does not address the legal and pharmacological conditions required by the provision.
Foreign medical documents can also play an important role. Relevant records may include prescriptions, medical reports, pharmacy invoices, treatment histories and letters from treating physicians.
However, these documents should be connected to the specific medicine, active ingredient, patient, dosage and treatment period involved in the case. Translation or verification may be required where the records were issued abroad.
Where the substance satisfies the statutory conditions, the relevant provisions of Article 188 remain applicable. The court may, however, reduce the sentence by up to one half.
The wording “up to one half” is important.
The provision does not prescribe an automatic reduction of exactly fifty per cent. It authorizes the court to determine a reduction that may reach one half.
Two separate questions must therefore be answered:
Does the substance fall within Article 188/6?
If so, what reduction should be applied in the particular case?
The first question concerns the nature and classification of the substance. The second concerns sentencing.
The application of Article 188/6 does not make the conduct lawful. If the underlying trafficking offence is established, criminal liability remains. Paragraph six affects the amount of punishment because of the special character of the substance involved.
Accordingly, the defence may raise two alternative or complementary arguments:
The elements of Article 188 have not been established because the alleged act, knowledge or trafficking intent is absent.
If Article 188 is found applicable, the substance falls within Article 188/6 and the special sentence-reduction rule must be considered.
These arguments concern different stages of the legal assessment and should not be confused.
An effective defence should proceed in a clear sequence.
First, the seized substance must be precisely identified. Its active ingredient, pharmacological effect and regulatory status must be established.
Second, the alleged act under Article 188 must be clarified. It must be determined whether the accusation concerns importation, transportation, sale, supply or possession for trafficking purposes.
Third, the evidence concerning knowledge, intent and purpose must be assessed.
The central questions may include:
Does the substance satisfy the conditions of Article 188/6?
Was it prescribed for the accused?
Was the quantity compatible with treatment?
Was it obtained through lawful pharmaceutical channels?
Is there concrete evidence of sale or distribution?
Did the accused know the substance and quantity involved?
Was Turkey the intended destination?
Was the passenger merely in international transit?
Does the evidence support trafficking, personal use or lawful medical possession?
Has the special sentencing rule been correctly considered?
This structure prevents the analysis from focusing only on sentence reduction while overlooking arguments concerning whether Article 188 applies at all.
Article 188/6 of the Turkish Penal Code applies to a special category of medicines and officially regulated substances capable of producing narcotic or stimulant effects.
Although these substances may be lawfully manufactured, prescribed and used for medical purposes, unlawful manufacture, importation, transportation or trafficking may still be prosecuted under Article 188. At the same time, their distinctive character permits the court to reduce the sentence by up to one half.
The provision requires a careful and structured assessment.
The authorities must identify the substance, determine its active ingredient and regulatory status, establish the relevant act under Article 188 and examine the accused person’s knowledge and intent.
In cases involving prescription medicines, the distinction between lawful medical use, possession for personal consumption and trafficking is especially important. A foreign prescription does not automatically resolve the case, but the discovery of controlled medicine does not automatically prove drug trafficking either.
In international cases, the distinction between importation and transportation may be equally decisive. Because the statutory minimum for importation is twenty years while transportation carries a minimum of ten years, the correct characterization can fundamentally alter the potential sentence even before Article 188/6 is applied.
Each case must therefore be assessed according to its own substance, route, documents and evidence.
Tasdogen & Partners provides legal assistance to foreign nationals facing drug-related investigations and prosecutions in Turkey, including cases involving prescription medicines and controlled pharmaceutical substances.
We can review the criminal case file, examine the legal classification of the substance and assess the evidence concerning importation, transportation, possession or alleged trafficking.
Where Article 188/6 may apply, we also evaluate whether the substance falls within the special legal framework and whether the corresponding sentence reduction should be considered.
Talha Tasdogen
Attorney at Law