How to Dispose of Medicines in Spain: The SIGRE Point

Quick answer

Expired or leftover medicines go, packaging included, to the SIGRE Point in any pharmacy in Spain: it is free, needs no receipt or prescription, and exists in practically every pharmacy. Boxes, blisters, bottles and leaflets go there too. Needles and mercury thermometers do not. Never in the bin or down the toilet: they pollute water and encourage antibiotic resistance.

The white bin next to the counter in any Spanish pharmacy isn't an ordinary recycling box: it's the only authorised route that keeps an expired medicine out of the water you drink.

When you have medicine left over, it has expired, or you simply no longer need it, the answer in Spain is always the same: take it, packaging and all, to the SIGRE Point in any pharmacy. It’s free, you don’t need a receipt or a prescription, and it doesn’t matter which pharmacy you bought it from. It is the only properly managed way to get rid of it.

This applies to visitors too. If you are leaving Salou with half a course of something you no longer need, it goes in that bin, not in the hotel bin and not in your suitcase.

What the SIGRE Point is

SIGRE (Sistema Integrado de Gestión y Recogida de Envases, the integrated packaging management and collection system) is the non-profit body set up by laboratories, wholesalers and pharmacies to handle household medicine packaging and leftovers in an environmentally sound way. It has run since 2001 and today is present in more than 21,900 pharmacies across Spain, effectively 100% of them.

The white container you see next to the counter is the collection point. You drop off what you no longer use; the pharmacy stores it temporarily and, through reverse logistics, gets it to an authorised sorting plant.

What you can leave there, and what you can’t

The general rule is simple: anything to do with the medicine goes in the SIGRE Point, and anything that doesn’t goes somewhere else.

Goes in the SIGRE Point Does not go in the SIGRE Point
Expired medicines Needles and sharps (these go to a Punto Limpio or a dedicated sharps bin)
Medicines left over from a finished course Broken mercury thermometers (separate specialist handling)
Empty packaging: boxes, blister packs, tubes, bottles, inhalers Cosmetics, food supplements with no pharmaceutical component, or non-medicinal pharmacy products
Leaflets and the medicine’s own packaging X-rays and non-pharmacological medical materials
Personalised dosing systems (blister organisers) Radioactive or cytostatic hospital waste (separate hospital circuit)
Narcotic or cytotoxic medicines used at home Cleaning or hygiene product packaging unrelated to medicines

If you aren’t sure about a specific product, ask at the counter: pharmacy staff will check it on the spot.

Why you can’t put it in the bin or down the toilet

Throwing a medicine in the household bin or flushing it away looks harmless, but it isn’t, which is why Spain’s environment ministry (MITECO) is explicit about it: medicine leftovers and their packaging should never be put out with paper, glass, light packaging or general waste, nor taken to a Punto Limpio. They always have to go to the SIGRE Point in a pharmacy.

There are two reasons.

First, many active ingredients are poorly biodegradable. Conventional treatment plants are not designed to remove them completely, so some of it ends up filtering through to rivers, aquifers and ultimately water supplies. Second, and this is the better-studied risk, antibiotics released into the environment encourage bacteria to develop resistance, a public health problem the World Health Organization ranks among the greatest global health threats, precisely because it makes infections that are treatable today stop responding to the usual treatments.

Keeping an expired medicine in the cabinet isn’t a good idea either: some active ingredients lose effectiveness over time or change chemically, and holding on to them “just in case” only raises the chance that someone takes them by mistake.

What happens after you drop it off

Once the packaging is in the white container, the circuit runs like this:

  1. The pharmacy temporarily stores what has been left at the SIGRE Point.
  2. The pharmaceutical wholesaler collects it on its normal delivery round to the pharmacy (reverse logistics), with no additional transport needed.
  3. The material reaches a sorting plant, where it is separated by material type: cardboard, plastic, glass, metal.
  4. Packaging goes for recycling according to its composition.
  5. Non-hazardous medicine residues are disposed of through energy recovery; hazardous ones (cytotoxics, cytostatics, narcotics) are handled by authorised waste managers using specific procedures.

The whole process is governed by extended producer responsibility rules for packaging, set out in Spain in Royal Decree 1055/2022 on packaging and packaging waste.

Before you clear out the cabinet

Going through your medicine cabinet twice a year avoids nasty surprises and takes five minutes. Before heading to the pharmacy, check:

  • The expiry date on each package (month and year printed on the box or the blister).
  • Medicines from finished courses you won’t be repeating.
  • Containers opened a while ago whose condition you can’t vouch for (syrups, eye drops, creams).
  • That you’ve set aside any needles, lancets or sharps: those don’t go in the same bag.

Take it all to the pharmacy together, with no need to empty or separate anything yourself: the container, just as it is, goes in the bin.

When to ask the pharmacist

Ask rather than deciding for yourself if:

  • You aren’t sure whether a product is a medicine or a cosmetic/supplement and don’t know where to dispose of it.
  • You have leftover narcotic or specially controlled medicines at home: mention it so the handover is done correctly.
  • You find needles, syringes or sharps mixed in with medicines: ask which collection point to use, as it is not SIGRE.
  • Someone has been taking an expired medicine by mistake: check whether any effect needs assessing, especially with narrow therapeutic range drugs (anticoagulants, insulin, antiepileptics).

This article is for information only and does not replace assessment by a healthcare professional. Sources: MITECO — Management of household medicines (in Spanish), General Council of Official Colleges of Pharmacists — SIGRE (in Spanish), SIGRE — About SIGRE (in Spanish), Royal Decree 1055/2022 on packaging and packaging waste (in Spanish).

This article was generated using artificial intelligence and has not been reviewed by a pharmacist or any other healthcare professional before publishing. It may contain errors or outdated information: always check with a healthcare professional before following any guidance.

This information is general guidance only. It does not replace a consultation with your doctor or pharmacist, who can assess your specific case.

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