No. Nitrous oxide (N₂O) is classified as a narcotic under Portuguese law, making its recreational use illegal. The 2026 amendments to Decree-Law 15/93 explicitly prohibit possession for non-medical purposes, with penalties including fines up to €3,740.75 for individuals and stricter sanctions for distribution.
Key Regulations for Nitrous Oxide (Whippits) in Portugal
- Narcotic Classification: N₂O is listed in Annex I of Decree-Law 15/93, aligning with the UN Single Convention on Narcotic Drugs. Medical or industrial use requires authorization from the Instituto Nacional da Farmácia e do Medicamento (INFARMED).
- Possession Restrictions: Unlicensed possession of ≥50g triggers administrative penalties under Law 30/2000, with quantities exceeding 100g potentially escalating to criminal charges under Article 21 of the Narcotic Drugs Act.
- Distribution Controls: Selling or supplying N₂O without INFARMED approval violates Article 25 of Decree-Law 15/93, punishable by imprisonment (6 months–3 years) and asset forfeiture. Online sales are monitored by the Polícia Judiciária’s cybercrime unit.
Recent enforcement trends prioritize street-level crackdowns, particularly in Lisbon and Porto, where undercover operations target unauthorized vendors. Travelers carrying N₂O risk confiscation at border checks, as customs authorities enforce EU-wide narcotic controls.