Medicines After Flood: Keep, Discard or Ask a Pharmacist
Medicines that touched floodwater should be thrown away, even in their original bottles, and a pharmacist can help you get replacements. The rule is simple, but insulin, eye drops and one rare exception need a closer look, so this guide walks through each case.
At a glance
- Keep: the pack stayed dry, the label reads clearly and the pack is whole.
- Discard: it touched floodwater, or the pack is wet, swollen, soft, mouldy or torn, or the label is unreadable.
- Ask first: insulin, eye drops, liquids, and any medicine you cannot go without.
- Photograph: the label and batch number, before you throw anything away.
- Rule of thumb: a wet or altered medicine should not be used, even if it looks almost normal.
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What counts as a medicine that touched floodwater?
The FDA’s rule covers medicines that came into contact with floodwater or other unsafe water. It applies even when the medicine is still in its original container, including bottles with screw-top caps, snap lids or droppers. The CDC adds a point that is easy to miss: drugs moved out of their packaging into a pill organiser or other container are part of the check too. Look at every drug in the house, including anything pulled out of its packet. The CDC’s list includes pills, liquids, injectable medicines, inhalers and skin medicines.
Which medicines can you keep, and which must go?
| Situation | What to do |
|---|---|
| Stayed dry, label readable, pack whole | Keep and store as usual |
| Touched floodwater, in any container | Do not use it; take it to a pharmacist |
| Wet, swollen, soft, mouldy, torn or unreadable | Do not use it; take it to a pharmacist |
| Cannot go without it, touched water, no replacement yet | Phone the pharmacist or prescriber today |
Treat the table as a first sort, not a final answer, because a pharmacist can check the pack, the batch and the storage history, which you cannot judge at home, and can tell you what the prescriber needs to know.
Can you trust a medicine that looks normal?
No, looks are not a test. A tablet can look perfect and still have touched floodwater, and the FDA’s rule is about contact, not appearance. Appearance comes into play in one narrow case. The FDA says a medicine needed to treat a condition that threatens life may be used if it appears unchanged and no replacement is readily available, and even then it should be replaced as soon as possible. That decision belongs to a doctor or pharmacist, not to a look in the kitchen.
What about insulin, eye drops and syrups?
Insulin needs its own check. The FDA’s page says temperature-sensitive medicines may lose potency when they are not stored at the recommended temperature, as a power cut can cause. It names insulin as a medicine needed to sustain life, and says that such a medicine may be used until you can get a new supply. It also says medicines that can no longer be used should be replaced with a new supply as soon as possible. Read our insulin storage guide for power cuts and floods, then call the prescriber or pharmacist before you decide anything. Eye drops and liquid medicines that were in water, or whose seal is broken, go to the pharmacist as well, because liquids are on the CDC’s list of affected products.
What should you do with soaked medicines, step by step?
- Sort every medicine. Use the table above to split the stock into keep and set aside.
- Bag the set-aside packs together. Keep the bag out of reach of children and away from food.
- Photograph each label. Capture the name, the strength and the batch number before you bin anything.
- Take the packs to a pharmacist. Bring your photos and a written list of what you take. The pharmacist can tell you what can be done and whether a replacement is needed.
- Ask the prescriber about replacements. The pharmacist can help, but the prescriber decides on any change to a treatment plan.
- Ask about disposal. Ask the pharmacy how it wants unwanted medicines handled, and follow its advice.
- Finish the house. Once the house is dry, use our returning home checklist before anyone sleeps there again.
Try this: the flood medicine photo log
Before you bin anything, photograph each pack with the name, the strength and the batch number in view. Save the photos in one album called Medicines on your phone. The pharmacist can start on the list while you are still on the way to the shop, and the prescriber gets a clear record.
What if you already took a medicine that got wet?
If you took one that touched floodwater and you feel unwell, see a doctor or go to emergency care, and say the medicine was wet. Bring the pack so the doctor can see the name and batch. Do not wait to see whether you improve on your own. Ask the prescriber and pharmacist what comes next for the rest of the medicines in the house.
Who needs extra planning after a flood?
People on several daily medicines, people with kidney, heart or lung conditions, and anyone with diabetes need a plan made before the water comes, not after. Our flood readiness plan for kidney, heart and lung patients sets out the questions to take to a doctor. Meals may be irregular during a flood, and if you take a medicine for sugar, the risk of a low sugar episode rises when you eat less, so ask your doctor for a plan for those days. Our emergency medicine kit guide covers what to keep in stock, and our go bag checklist covers the papers to carry.
Call 999 for a life-threatening emergency, such as a heart attack or stroke, or call NHS 111 if you are not sure. Get same-day advice from a GP or NHS 111 if a high temperature of 38 °C or above is not getting better, or is getting worse, with home care. This article gives general guidance only and does not replace advice from a pharmacist or doctor who knows your medicines.
The short version: dry packs with clear labels can stay in use as normal, anything that touched floodwater goes to a pharmacist, and insulin or liquids get a phone call first.
For more flood season guides, see the Barsaat and Flood Season hub.
Your questions about medicines wet from a flood, answered
Can I use medicine that got wet in a flood?
Usually no. The FDA says medicines that came into contact with floodwater should be discarded, even in their original containers, and a pharmacist can help you find a replacement.
What should I do with medicines after a flood?
Sort them into dry and wet, keep the dry ones stored well, take the wet or doubtful ones to a pharmacist with a photo list, and remember that the prescriber decides on any replacement that needs a new prescription.
Is medicine still safe if the packaging looks fine?
Not necessarily. If the pack touched floodwater, the rule is to discard it, because the FDA’s rule is about contact rather than appearance. Looks only matter in a narrow lifesaving case that a pharmacist or doctor should handle.
Are blister pack tablets safe after floodwater?
Treat them like any other medicine that touched floodwater. Do not use them, take them to a pharmacist, and ask about a replacement. The FDA page does not separately address blister packs, so the pharmacist should make the final call on the packs in hand.
What if I cannot read the medicine label?
Do not use it, because an unreadable label means nobody can confirm the name, strength or batch, so take the pack to a pharmacist and bring any box or leaflet you still have.
Is insulin safe after a flood or a power cut?
That depends on how it was stored and whether a replacement is available. The FDA’s page names insulin as a medicine needed to sustain life, says it may be used until you can get a new supply, and says it should be replaced as soon as possible, so decide with your doctor or pharmacist.
Can I keep eye drops that were in a flood?
Eye drops that touched floodwater should go to a pharmacist, since liquids are on the CDC’s list of affected products and an eye is no place to take chances with a doubtful bottle.
Do medicines need a fridge after a power cut?
Some do, so check the storage instructions on the pack or leaflet, or ask the pharmacist or manufacturer, because temperature sensitive medicines can lose potency when they are not kept at the recommended temperature, which a power cut can cause.
Should I tell my doctor about medicines that got wet?
Yes. Tell the prescriber which medicines were in floodwater, so they can decide on replacements and whether anything else in your plan needs to change.
How do I replace a soaked or lost prescription?
Call the prescriber or the pharmacy that filled it. Rules for early refills differ by place and by medicine, so ask what the pharmacy can do during a disaster.
What if I already took a medicine that got wet and feel unwell?
See a doctor or go to emergency care, say the medicine was wet, and bring the pack. Do not wait to see whether you improve on your own.
Can I keep medicines from a cupboard that stayed dry during a flood?
Yes, if they never touched water and the labels are readable. Keep them dry and cool, and check the packs again if damp returns to the cupboard.