How to Store Tadalafil: A UK Pharmacist's Guide

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Key takeaways

• Store tadalafil at room temperature (below 25°C or 30°C) in its original packaging.
• Keep tablets in a cool, dry place away from heat, moisture, sunlight and children.
• Do not refrigerate, freeze or store tadalafil in bathrooms or cars.
• Check the expiry date and inspect tablets before use; return expired medicine to a pharmacy.
• When travelling, carry tadalafil in hand luggage in the original pack.

Why proper storage of tadalafil matters

Tadalafil is a phosphodiesterase type 5 (PDE5) inhibitor used to treat erectile dysfunction by helping blood flow to the penis during sexual stimulation [4]. Like all medicines, its chemical stability depends on being stored under the right conditions. Exposure to excessive heat, moisture or light can break down the active ingredient, reducing how well the tablet works and potentially altering its safety profile.

Storing tadalafil correctly also protects others in your household. Keeping tablets in their original blister pack or bottle, with the patient information leaflet, ensures you can always check the expiry date, batch number and dosage instructions. It also prevents accidental ingestion by children or pets, and stops the tablets from being confused with other medicines.

Whether you use tadalafil on-demand (10 mg or 20 mg taken at least 30 minutes before sex, with effects lasting up to 36 hours) or as a daily low dose (2.5 mg or 5 mg), maintaining proper storage habits means every tablet you take is as effective as the manufacturer intended [4].

Recommended storage conditions for tadalafil

Most tadalafil products should be stored below 25°C, though some brands specify storage below 30°C—always check the patient information leaflet or packaging for your specific product [12]. Room temperature in a typical UK home is usually suitable, but avoid places that get particularly warm, such as windowsills, conservatories, or near radiators and ovens.

Keep tadalafil in its original blister pack or bottle until you are ready to take a dose. The packaging is designed to protect the tablets from moisture and light. Do not transfer tablets into pill organisers or unmarked containers for long periods, as this can expose them to humidity and make it harder to track expiry dates.

Store your tadalafil in a dry place—bathrooms and kitchens, where steam and temperature fluctuate, are not ideal. A bedroom drawer, a high cupboard or a dedicated medicine box in a cool, dry room works well. Always ensure the storage location is out of sight and reach of children and pets.

What to avoid when storing tadalafil

Never leave tadalafil in a car, especially during summer, as temperatures inside vehicles can soar well above safe limits. Avoid storing tablets in direct sunlight or near heat sources like boilers or electric heaters. Do not freeze tadalafil or keep it in a fridge unless the packaging specifically instructs you to do so (which is not standard for oral tadalafil tablets). Moisture is another enemy: keep tablets away from sinks, baths and any area prone to condensation.

At a glance

How to store tadalafil when travelling

If you are travelling with tadalafil, keep it in your hand luggage in its original packaging so you can show it to airport security if needed. The patient information leaflet and pharmacy label confirm it is a legitimate prescription medicine. Avoid placing tadalafil in checked baggage, where temperature and pressure changes in the hold may not be ideal.

When abroad, continue to store tadalafil in a cool, dry place. Hotel safes, a drawer away from windows, or the coolest part of your luggage are sensible choices. If you are visiting a very hot climate, consider a small insulated pouch (without ice packs, which can introduce moisture) to buffer against extreme heat during the day.

Always carry enough tadalafil for your trip, plus a few extra doses in case of delays. Check the expiry date before you travel, and if you are going away for an extended period, make sure your supply will last. Cured Pharmacy can arrange prescription renewals and discreet delivery across the UK, so you can restock before departure if needed.

Checking expiry dates and tablet condition

Every pack of tadalafil has an expiry date printed on the blister foil or bottle label, usually shown as 'EXP' followed by a month and year [12]. Do not use tadalafil after this date, even if the tablets look fine. Expired medication may have lost potency or undergone chemical changes that affect safety.

Before taking a tablet, inspect it briefly. Tadalafil tablets should be intact, with no cracks, discolouration, unusual smell or visible moisture. If a tablet looks damaged, crumbled or has changed colour, do not take it. Contact your pharmacy for advice and a replacement if needed.

If you have leftover tadalafil that has expired or that you no longer need, do not throw it in the bin or flush it down the toilet. Return unused or out-of-date medicines to any community pharmacy in the UK, where they will be disposed of safely and in an environmentally responsible way [12].

What to do if tadalafil has been stored incorrectly

If you realise your tadalafil has been exposed to heat, moisture or sunlight for a prolonged period, it is safest to replace it. Contact Cured Pharmacy or your usual prescriber to request a new supply. Do not assume the tablets are still effective—degraded medication may not work as expected, and using it could mean missing out on the treatment you need when it matters most.

How to store different tadalafil brands and formulations

Generic tadalafil, branded Cialis, and other licensed versions such as Teva tadalafil or Avarante all contain the same active ingredient and share similar storage requirements [4][12]. However, packaging and specific temperature guidance can vary slightly between manufacturers, so always read the patient information leaflet that comes with your particular product.

Tadalafil is available in several strengths: 2.5 mg and 5 mg for daily use, and 10 mg and 20 mg for on-demand use [4]. Storage instructions are the same across all doses. Whether you take a low daily dose or a higher on-demand tablet, the same rules apply: original packaging, room temperature, dry conditions, away from light and out of reach of children.

At Cured Pharmacy, we supply a range of tadalafil options after a UK prescriber reviews your online consultation. All our products are sourced from licensed UK wholesalers and stored in our GPhC-registered premises under controlled conditions before dispatch. When your order arrives, simply continue the same careful storage at home to maintain quality until you use each dose.

Frequently asked questions about how to store tadalafil

Many people wonder whether tadalafil needs refrigeration—it does not. Standard room temperature storage is correct for all oral tadalafil tablets [12]. Some also ask if they can keep a tablet in a wallet or pocket for convenience. While carrying one dose for a day out is usually fine, avoid making it a long-term habit, as body heat and friction can damage the tablet over time.

Another common question is whether splitting tablets affects storage. If your prescriber has advised you to split a higher-dose tablet (for example, cutting a 20 mg tablet in half), only split the dose you are about to take. Do not pre-split multiple tablets and store the halves, as this exposes the inner medication to air and moisture, speeding up degradation.

If you live in a household with others, consider a lockable medicine box to ensure privacy and safety. This is especially important if you have children, teenagers or vulnerable adults at home. A small, portable lock box stored in a cool, dry cupboard ticks all the boxes: secure, discreet and climate-appropriate.

Getting replacement tadalafil if storage has been compromised

If your tadalafil has been damaged, exposed to unsuitable conditions or has expired, you will need a replacement prescription. Cured Pharmacy offers a straightforward online consultation reviewed by UK prescribers, with discreet delivery across the UK. Simply complete the health questionnaire, and if tadalafil remains suitable for you, a new supply can be arranged quickly and conveniently.

When to get urgent help

• An erection lasting more than 4 hours (priapism)—go to A&E immediately.
• Sudden loss of vision in one or both eyes—stop taking tadalafil and seek urgent medical help.
• Sudden decrease or loss of hearing, sometimes with ringing in the ears or dizziness—stop and see a doctor urgently.
• Chest pain during or after sex—stop activity, do not take more tadalafil, and call 999 if pain is severe or does not go away.

Call 999 or go to A&E in an emergency, or contact NHS 111 for urgent advice.