What Drugs Are Legal and Illegal in the Philippines?

In the Philippines, the line between legal and illegal drugs is drawn by Republic Act No. 9165, the Comprehensive Dangerous Drugs Act of 2002, and it sorts medicines and substances into clear tiers: over-the-counter products anyone can buy, prescription medicines a licensed doctor must authorize, controlled substances dispensed only through a special Yellow Prescription system, a narrow compassionate-use pathway for cannabis-based medicines, and a list of outright banned drugs whose possession or sale can mean life imprisonment.¹ Knowing which tier a substance falls into is what keeps a routine pharmacy run or a bag of travel medication from turning into a criminal case.

Medicines You Can Buy Without a Prescription

Over-the-counter (OTC) drugs can be bought at any licensed pharmacy, and often at supermarkets or convenience stores, with no prescription. The Philippine Food and Drug Administration (FDA) classifies a product as OTC when it has a long record of safe use, a wide safety margin without professional supervision, and is not listed as a dangerous drug or controlled substance.² Sales still have to happen under a registered pharmacist’s supervision.

Common OTC products include paracetamol for fever and headaches, ibuprofen for pain and inflammation, antacids, loperamide for diarrhea, and cough-and-cold remedies. Check the expiration date and confirm the FDA labeling before buying.

Prescription Medicines

Any drug that doesn’t clear the OTC safety criteria requires a written prescription from a physician, dentist, or veterinarian licensed in the Philippines. A valid prescription carries the prescriber’s name, Professional Regulation Commission (PRC) license number, clinic address, the patient’s name, the medication with dosage, and the prescriber’s signature. Any licensed pharmacy can then fill it.

Prescriptions for antibiotics, antivirals, and anti-infective drugs expire one week after they are issued.³ Other prescriptions remain valid for a limited period that depends on the medication and the prescriber’s instructions. If you aren’t sure, ask the dispensing pharmacist.

Electronic Prescriptions

E-prescriptions are legally valid. They can arrive as a PDF, JPEG, or similar image file through email or messaging apps, and they must include the physician’s digital signature, name, license number, and Professional Tax Receipt number.³ Pharmacies have to honor them. If a senior citizen or person with a disability sends someone else to pick up the medicine, that representative needs an authorization letter and the patient’s government-issued ID along with the e-prescription.

Foreign Prescriptions

Philippine pharmacies generally cannot fill prescriptions written by doctors licensed only abroad. Dangerous drugs and controlled chemicals may only be prescribed by a practitioner registered in the Philippines who holds a valid S-2 license from the Philippine Drug Enforcement Agency (PDEA).⁴ If you take a controlled medication and plan to stay for any length of time, you will need to see a local doctor and get a Philippine prescription. For non-controlled drugs, some pharmacies may use discretion, but no pharmacy is required to honor a foreign prescription.

Controlled Substances and the Yellow Prescription

Medications with real abuse potential are classified as dangerous drug preparations or controlled chemical preparations. They are legal for medical use, but the oversight goes well beyond a standard prescription.

The PDEA issues S-licenses that control who can prescribe and dispense these substances. An S-2 license lets a physician, dentist, or veterinarian prescribe dangerous drug preparations and controlled chemicals; without it, a doctor cannot legally write that prescription at all. An S-3 license lets a pharmacy stock and sell the full range of dangerous drug preparations and controlled chemical preparations. Not every pharmacy holds an S-3, so a prescription for morphine or diazepam may send you to a specific drugstore that carries it.⁵

The most tightly regulated medications split into two groups, each with its own form:

Dangerous drug preparations (A1) must be prescribed on the official DOH Yellow Prescription form. Only one drug per form is allowed, and refills are prohibited. Examples include morphine, fentanyl, oxycodone, codeine, diazepam, midazolam, and zolpidem.
Controlled chemical preparations (A2) must be prescribed on a Personalized Prescription form bearing the prescriber’s S-2 license number, with the same one-drug-per-form and no-refill rules. Examples include ergotamine and methylergometrine.

The Yellow Prescription system exists because these drugs have genuine medical value alongside high abuse risk.⁶ A morphine prescription for cancer pain or diazepam for a seizure disorder is entirely legal when it moves through this process.

Cannabis and the Compassionate Special Permit

Marijuana is illegal in the Philippines under RA 9165, with one narrow medical exception. The FDA can issue a Compassionate Special Permit (CSP) that allows the importation and use of unregistered drug products, including cannabis-based medicines, for individual patients.⁷

The process is demanding. A licensed physician submits an application with the patient’s medical history, the specific product and dosage, and the estimated quantity. The doctor must also commit to filing a clinical study report describing therapeutic effects and any adverse reactions. The patient or institution signs a waiver releasing the FDA from liability, and a prescription from an S-2 licensed doctor is required if the product contains a dangerous drug.⁷

The Dangerous Drugs Board limits CSP eligibility to patients with rare diseases under the Rare Disease Act, life-threatening or debilitating conditions, cancer and other terminal illnesses, rare neurological conditions, and other diseases with limited treatment options identified by the Department of Health.⁸ Recreational cannabis is not covered, and home cultivation is illegal regardless of intended use. A consolidated bill expanding legal access to medical cannabis passed a House committee as of February 2026 but has not become law.⁹

Herbal and Traditional Medicines

Herbal products are regulated by the FDA, which requires manufacturers to obtain a Certificate of Product Registration before selling any health product. A product sold without this registration is illegal, no matter how “natural” or “herbal” the label.¹⁰ Approved and widely used herbal medicines include lagundi for cough and asthma symptoms, sambong for kidney stone dissolution, and ampalaya (bitter melon) for blood sugar support. Where a traditional health claim has not been fully evaluated, the manufacturer must say so on the label.

Alcohol, Tobacco, and Vaping Products

Alcohol and tobacco are legal with age limits. The minimum legal age for buying tobacco is 21, and the legal drinking age is also 21. Selling either to anyone under the minimum age is a criminal offense.

Vaping products and novel tobacco products are regulated under Republic Act No. 11900. The minimum legal age for buying and using them is 18, lower than the 21-year threshold for traditional tobacco. Sales are banned within 100 meters of any school or playground, and online sales are permitted only through DTI- or SEC-registered sellers that verify age at both the point of purchase and delivery.¹¹

Drugs That Are Illegal

RA 9165 classifies as “dangerous drugs” all substances listed in the international narcotics and psychotropic conventions, plus any additions by the Dangerous Drugs Board. The commonly encountered illegal drugs include:

Methamphetamine hydrochloride, known locally as shabu, the most widely used illegal drug in the country.
Marijuana (cannabis), including all parts of the plant, resin, oil, and seeds, in any form, outside a valid CSP.
Cocaine and cocaine hydrochloride.
Heroin, morphine, and opium when possessed outside the medical permit system.
MDMA (ecstasy).
LSD.
GHB (gamma-hydroxybutyric acid) and GBL (gamma-butyrolactone).

The law also covers all isomers and derivatives of these substances, so chemical analogs designed to skirt the list remain illegal.¹ Certain precursor chemicals, including acetone, toluene, ethyl ether, and methyl ethyl ketone, are also regulated because they can be used to manufacture drugs.¹²

Penalties

Philippine drug penalties are among the strictest anywhere. The original RA 9165 prescribed the death penalty for certain offenses, but Republic Act No. 9346, enacted in 2006, abolished the death penalty. The maximum punishment is now life imprisonment without eligibility for parole.¹³

Sale and Distribution

Selling, distributing, or transporting any dangerous drug, regardless of quantity, carries life imprisonment and a fine of ₱500,000 to ₱10,000,000. The same penalty applies to brokers and financiers. Selling controlled precursor chemicals carries 12 years and one day to 20 years of imprisonment and a fine of ₱100,000 to ₱500,000.¹ The maximum is imposed automatically when the transaction happens within 100 meters of a school, when minors or mentally incapacitated individuals are used as couriers, or when the victim is a minor.

Possession

Possession penalties are tiered by quantity. Using shabu, since it is the most commonly prosecuted drug:

50 grams or more: life imprisonment and a fine of ₱500,000 to ₱10,000,000.
10 grams to under 50 grams: life imprisonment and a fine of ₱400,000 to ₱500,000.
5 grams to under 10 grams: 20 years and one day to life imprisonment and a fine of ₱400,000 to ₱500,000.
Under 5 grams: 12 years and one day to 20 years and a fine of ₱300,000 to ₱400,000.

For marijuana, the threshold quantities are much higher. The top tier starts at 500 grams or more, and the lowest tier covers less than 300 grams, but the prison terms within each tier are the same.¹ Possessing any dangerous drug at a party or social gathering with at least two other people automatically triggers the maximum penalty for the quantity involved, no matter how small the amount.

Use

A person who tests positive for any dangerous drug after a confirmatory test faces a minimum of six months of rehabilitation in a government center for a first offense.¹ That is lighter than the penalties for possession or sale, reflecting the law’s treatment of first-time users as candidates for rehabilitation.

Bringing Medication Into the Philippines

If you are entering the country with personal medication, the rules depend on how the drug is classified.

For prescription medicines that are not classified as dangerous drugs, carry the actual prescription showing the physician’s name and license number, and keep the quantity consistent with what the prescription allows.¹⁴ Anything beyond that, without a Bureau of Customs or FDA clearance, will be seized.

For dangerous drug preparations such as opioid painkillers and benzodiazepines, travelers entering with up to a 30-day supply must carry a letter from the attending physician describing the medical condition along with the prescription. More than a 30-day supply also requires certificates of authorization from the home country’s drug authority and from the PDEA.⁴

Vitamins and health supplements for personal use are allowed up to a total of 500 grams without FDA clearance, though customs duties may still apply. Anything over that limit will be seized.¹⁵ When in doubt, declare medications on arrival and keep original packaging and documentation accessible.

1
University of Minnesota Human Rights Library. Republic Act No. 9165 – Comprehensive Dangerous Drugs Act of 2002
2
Food and Drug Administration Philippines. Administrative Order No. 23-C s. 2000 – OTC Drug Classification
3
Food and Drug Administration. FDA Circular No. 2020-037 – Guidelines on Electronic Means of Prescription
4
Dangerous Drugs Board. Board Regulation No. 3 Series 2013 – Guidelines on Dangerous Drugs Prescription and Sale
5
Dangerous Drugs Board. Board Regulation No. 1 Series 2014 – Comprehensive Amendments to Guidelines on Dangerous Drugs
6
Food and Drug Administration Philippines. Philippine National Drug Formulary Volume I, 7th Edition
7
Food and Drug Administration Philippines. Checklist of Requirements for Compassionate Special Permit
8
Dangerous Drugs Board. Board Regulation No. 8 Series 2019 – Requirements for License to Acquire and Use Unregistered Drug Products
9
Philippine News Agency. DOH Sets Conditions on Proposed Medical Cannabis Legalization
10
Food and Drug Administration. Public Health Warning Against Unregistered Food Product DOK Natural Herbal Drops
11
Lawphil. Republic Act No. 11900 – Vaporized Nicotine and Non-Nicotine Products Regulation Act
12
Dangerous Drugs Board. Updated Lists of Scheduled Controlled Substances as of July 2025
13
Supreme Court E-Library. Republic Act No. 9346 – An Act Prohibiting the Imposition of Death Penalty
14
Philippine Embassy Singapore. Bringing Regulated Products for Personal Use Into the Philippines
15
Bureau of Customs. Guidelines on Arriving Travelers