How do I travel internationally to Canada with my prescription medication without getting stopped at customs?
Fan-out diagram
Seed → topic clusters → sub-queries, per model.
Badge and edge weight = share of passes that produced the query. Hover a query for its intent and routing format.
Query classes
Google's semantic query class for every sub-query: what kind of answer each search is after, simulated vs real.
Classes come from the query-classifier (a local Laya model). 2 of 2 calls are low-confidence (under 50%) — hover a query in the table to see its confidence. 35 queries are still being classified.
What the models actually searched
Each model answered the query with its own web search. These are the searches it ran, matched to the closest simulated query.
Semantic map
Every query placed by meaning (EmbeddingGemma 2, 256-d). Shaded regions are topics, nearby points are near-paraphrases, and a circle's size is how often the query came back.
Queries
| Query / type | Search | Intent | Query class | Routing format | Cluster | Freq ↓ | Weight |
|---|---|---|---|---|---|---|---|
bringing prescription drugs into canada customs rules REFORMULATION | Google ↗ AI Mode ↗ | The user wants the official rules for entering Canada with prescription medication. | — | web_article | cbsa prescription drug regulations | 2x of 3 | |
bringing prescription medication into canada customs rules REFORMULATION | Google ↗ AI Mode ↗ | Understand the official regulations regarding personal medication brought across the Canadian border. | — | web_article | cbsa prescription drug regulations | 1x of 3 | |
how many months supply of medication can i bring into canada RELATED | Google ↗ AI Mode ↗ | The user wants to know the exact quantity limits permitted by Canadian customs. | — | faq_page | medication supply quantity limits | 1x of 3 | |
can you bring controlled substances into canada for personal use IMPLICIT | Google ↗ AI Mode ↗ | The user needs to know the specific, stricter rules applied to controlled substances or narcotics. | — | faq_page | controlled substances and cannabis | 1x of 3 | |
can you bring controlled substances into canada with a prescription RELATED | Google ↗ AI Mode ↗ | Learn if specific restricted medications like ADHD stimulants or opioids are permitted for travelers. | — | faq_page | controlled substances and cannabis | 1x of 3 | |
do prescription drugs need to be in original containers for international travel to canada IMPLICIT | Google ↗ AI Mode ↗ | The user needs to know if pill organizers are acceptable or if original pharmacy bottles are required. | — | checklist | original packaging and documentation | 1x of 3 | |
canadian border services agency medication allowance limit ENTITY EXPANSION | Google ↗ AI Mode ↗ | The user wants to know the exact quantity limit (e.g., 90-day supply) allowed by the CBSA. | — | how_to_steps | medication supply quantity limits | 1x of 3 | |
how many months supply of medication can i bring to canada IMPLICIT | Google ↗ AI Mode ↗ | Find out the maximum allowable quantity of prescription drugs a tourist can legally carry. | — | how_to_steps | medication supply quantity limits | 1x of 3 | |
bringing controlled substances and adhd medication into canada ENTITY EXPANSION | Google ↗ AI Mode ↗ | The user wants to know special rules for restricted medications like stimulants or narcotics. | — | pdf_whitepaper | controlled substances and cannabis | 1x of 3 | |
do prescription pills need to be in original bottles flying to canada RELATED | Google ↗ AI Mode ↗ | The user wants to know if pill organizers are allowed or if original pharmacy packaging is mandatory. | — | checklist | original packaging and documentation | 1x of 3 | |
do prescription pills need to be in original bottles when flying to canada IMPLICIT | Google ↗ AI Mode ↗ | Determine if pill organizers are allowed or if pharmacy bottles with labels are strictly required. | — | checklist | original packaging and documentation | 1x of 3 | |
health canada rules vs us tsa medication rules international flight COMPARATIVE | Google ↗ AI Mode ↗ | The user wants to understand the difference between security screening limits and customs limits. | — | comparison_table | prohibited and restricted medications | 1x of 3 | |
traveling to canada with doctor note vs prescription label COMPARATIVE | Google ↗ AI Mode ↗ | The user wants to know whether a doctor's letter is required in addition to the prescription bottle label. | — | comparison_table | doctor letters and medical supplies | 1x of 3 | |
canada health vs us health customs medication regulations differences COMPARATIVE | Google ↗ AI Mode ↗ | Compare Canadian drug import laws with other countries to spot unique local restrictions. | — | comparison_table | prohibited and restricted medications | 1x of 3 | |
what to do if medication is lost while traveling in canada PERSONALIZED | Google ↗ AI Mode ↗ | The user wants to know emergency procedures for replacing foreign prescriptions in Canada. | — | how_to_steps | medication seizure and emergency loss | 1x of 3 | |
medications banned in canada that are legal elsewhere RELATED | Google ↗ AI Mode ↗ | The user wants a list of specific active ingredients that might be restricted or banned in Canada. | — | product_spec_sheet | prohibited and restricted medications | 1x of 3 | |
health canada rules for travelers bringing adderall or xanax ENTITY EXPANSION | Google ↗ AI Mode ↗ | Identify specific rules for frequently prescribed psychotropic medications crossing the border. | — | pdf_whitepaper | prohibited and restricted medications | 1x of 3 | |
canadian border services agency medication declaration form REFORMULATION | Google ↗ AI Mode ↗ | The user wants to find out if they need to fill out forms to declare medicines at the border. | — | web_article | declaring medications at customs | 1x of 3 | |
how to declare medication at canadian customs declaration card REFORMULATION | Google ↗ AI Mode ↗ | The user wants to know the exact procedure for declaring medications on arrival forms or kiosks. | — | how_to_steps | declaring medications at customs | 1x of 3 | |
what to do if my medication is confiscated at canadian customs RELATED | Google ↗ AI Mode ↗ | Learn emergency procedures or options if border agents seize necessary prescriptions. | — | forum/qna | medication seizure and emergency loss | 1x of 3 | |
doctor letter for traveling with prescription drugs canada RELATED | Google ↗ AI Mode ↗ | The user wants to know if a physician's note is required or recommended. | — | faq_page | doctor letters and medical supplies | 1x of 3 | |
frequent traveler bringing chronic illness medication to canada PERSONALIZED | Google ↗ AI Mode ↗ | The user wants advice tailored to managing large quantities of life-saving medical supplies for extended stays. | — | pdf_whitepaper | doctor letters and medical supplies | 1x of 3 | |
doctor note requirements for traveling to canada with prescription drugs REFORMULATION | Google ↗ AI Mode ↗ | Find out if a physician's letter is mandatory for crossing the border with medications. | — | web_article | original packaging and documentation | 1x of 3 | |
bringing medical marijuana or cbd across canada border ENTITY EXPANSION | Google ↗ AI Mode ↗ | The user wants to check the rules for cannabis-based medications entering Canada. | — | web_article | controlled substances and cannabis | 1x of 3 | |
what happens if customs seizes my prescription medicine in canada IMPLICIT | Google ↗ AI Mode ↗ | The user wants to understand the potential penalties or procedures if their medication is confiscated. | — | forum/qna | medication seizure and emergency loss | 1x of 3 | |
best tips for declaring medications at canadian border declaration card PERSONALIZED | Google ↗ AI Mode ↗ | Get practical advice on how and when to declare medications to border services officers. | — | how_to_steps | declaring medications at customs | 1x of 3 | |
traveling with syringes and needles for medication to canada IMPLICIT | Google ↗ AI Mode ↗ | The user wants to know the rules for bringing medical devices like needles and insulin pumps. | — | checklist | doctor letters and medical supplies | 1x of 3 | |
canadian rules for medical marijuana and cbd oil imports RELATED | Google ↗ AI Mode ↗ | The user wants to know if medical cannabis or CBD products can be brought across the border. | — | faq_page | controlled substances and cannabis | 1x of 3 | |
can you mail prescription medication to canada for a trip RELATED | Google ↗ AI Mode ↗ | Understand if shipping medications ahead of time is legally allowed under Canadian import laws. | — | faq_page | original packaging and documentation | 1x of 3 | |
over the counter medicine limits canada customs vs prescription COMPARATIVE | Google ↗ AI Mode ↗ | The user wants to know if OTC drugs are treated differently than prescription drugs at the border. | — | comparison_table | prohibited and restricted medications | 1x of 3 | |
translating foreign prescriptions for canadian pharmacies and customs RELATED | Google ↗ AI Mode ↗ | The user wants to know if foreign prescription languages or formats need official translation. | — | glossary/definition | cbsa prescription drug regulations | 1x of 3 | |
over the counter drugs canada vs us restrictions travelers COMPARATIVE | Google ↗ AI Mode ↗ | Check if common OTC medications in the US are classified as prescription or banned in Canada. | — | comparison_table | prohibited and restricted medications | 1x of 3 | |
list of prohibited prescription drugs in canada for tourists ENTITY EXPANSION | Google ↗ AI Mode ↗ | Find explicit lists of banned medical substances that cannot be brought across the border. | — | product_spec_sheet | prohibited and restricted medications | 1x of 3 | |
canadian customs medication seizure appeal process RELATED | Google ↗ AI Mode ↗ | The user wants to know what happens if customs confiscates their medicine. | — | forum/qna | medication seizure and emergency loss | 1x of 3 | |
injectable medication and syringes air travel canada security and customs RELATED | Google ↗ AI Mode ↗ | The user wants to know the rules for traveling with needles, syringes, and liquid injectables. | — | checklist | doctor letters and medical supplies | 1x of 3 |
Passes
Does another pass still surface new queries? A flattening curve means the fan-out has stabilised.
| Model | Pass | Target | Generated | Seconds | Tokens (in / out) | Notes |
|---|---|---|---|---|---|---|
| gemini-3.5-flash-lite | 1 | 12 | 12 | — | 907 / 1,444 | |
| gemini-3.5-flash-lite | 2 | 12 | 12 | — | 907 / 1,405 | |
| gemini-3.5-flash-lite | 3 | 12 | 12 | — | 907 / 1,484 |