Skip to product information
1 of 1

  • Images are for illustration purposes only

Panadol ActiFast Soluble - 24 Tablets

Panadol ActiFast Soluble - 24 Tablets

  • 1. Ozempic®️-equivalent therapy now available for weight management
  • 2. Average weight loss of 17%, with 1 in 3 patients achieving over 20%
  • 3. May help reduce osteoarthritis-related pain
  • 4. Wegovy®️ is not expected to impact the effectiveness of oral contraceptives
  • 5. Supports cardiovascular risk reduction
  • 6. Over 22 million patients treated with semaglutide-based therapies since 2018

  • ✔️ Dissolves in water for fast-acting paracetamol absorption
  • ✔️ Relieves headaches, toothache, period pain and fever
  • ✔️ Each tablet contains 500mg paracetamol — clinically established dose
  • ✔️ Suitable for adults and adolescents aged 12 and over
  • ✔️ Convenient 24-tablet pack for reliable pain relief at home

Price Checker

Regular price £5.54
Sale price £5.54
Sale Sold out
  • Lowest price guarantee
  • Includes FREE private prescription
View full details

 

What Is Panadol ActiFast Soluble and How Does It Help?

 

When pain or fever strikes, waiting around for relief isn't really an option. Panadol ActiFast Soluble is a fast-dissolving paracetamol tablet designed to get to work quickly — each tablet contains 500mg of paracetamol, which is one of the most widely used and well-established pain-relieving medicines available in the UK. Whether you're dealing with a tension headache, a high temperature, dental pain, or the aches that come with a cold or flu, this soluble format offers a convenient and effective option. You can browse our full range of pain relief products if you'd like to compare alternatives.

The soluble format means the tablet dissolves completely in water before you drink it, which many people find easier to take than a standard tablet — particularly if swallowing pills is uncomfortable. It's an over-the-counter medicine, so no prescription is needed, and it's suitable for most adults and children aged 12 and over.

 

How Does Panadol ActiFast Soluble Work in the Body?

 

Paracetamol works by inhibiting the synthesis of prostaglandins — chemical messengers in the brain and central nervous system that are responsible for transmitting pain signals and triggering fever responses. By reducing prostaglandin production, it lowers your perception of pain and helps bring a raised temperature back down to normal. The soluble formulation may allow the active ingredient to be absorbed slightly more quickly than a standard tablet, as the medicine is already in solution when it reaches your stomach.

  • Paracetamol inhibits prostaglandin synthesis in the central nervous system
  • Reduces the sensation of mild to moderate pain
  • Lowers elevated body temperature (antipyretic effect)
  • Soluble format may support faster gastric absorption compared to standard tablets

 

Who Is Panadol ActiFast Soluble Suitable For?

 

This product is suitable for a wide range of people looking for short-term relief from mild to moderate pain or fever. It's particularly useful if you struggle to swallow standard tablets, or if you simply prefer a drink-based format. That said, it's not appropriate for everyone — always read the label carefully before use.

  • Adults and adolescents aged 12 years and over
  • People who find standard tablets difficult to swallow
  • Those managing headaches, toothache, period pain, or muscular aches
  • Individuals with a mild fever who need a fast-acting antipyretic

If you're also managing symptoms like a blocked nose or sore throat alongside your pain, you might find our cold and flu range helpful for a broader approach to symptom relief.

 

How Does Panadol ActiFast Soluble Compare to Standard Panadol Tablets?

 

Feature Panadol ActiFast Soluble Standard Panadol Tablets
Active ingredient Paracetamol 500mg Paracetamol 500mg
Formulation Effervescent / soluble tablet Solid oral tablet
Ease of swallowing Dissolved in water — no swallowing required Must be swallowed whole with water
Onset of action Potentially faster due to pre-dissolved form Standard absorption rate
Sodium content Higher (contains sodium bicarbonate) Lower

 

Is Panadol ActiFast Soluble Safe to Store at Home?

 

Yes — provided you follow a few simple guidelines. Store the tablets below 25°C in a dry place, away from direct sunlight and moisture. Soluble tablets can be sensitive to humidity, so keep them in their original packaging and make sure the tube or blister is properly sealed after each use. Keep all medicines out of the reach and sight of children.

It's worth noting that Panadol ActiFast Soluble contains sodium, which is relevant if you're on a sodium-restricted diet — for example, if you have high blood pressure or a heart condition. Each tablet contains a meaningful amount of sodium due to the effervescent base, so speak to your pharmacist or GP if this applies to you. This product is a medicine. Speak to your doctor or pharmacist before using if you have an underlying medical condition or are taking other medicines.

Panadol ActiFast Soluble 24 Tablets specifications
Treatment category Pain relief and fever reduction
Mechanism of action Prostaglandin synthesis inhibitor (central)
Effective for Headache, toothache, period pain, muscular pain, fever, cold and flu symptoms
Suitable for Adults and adolescents aged 12 years and over
Active ingredient Paracetamol 500mg per tablet
Pack size 24 tablets
UK classification General Sale List (GSL)
Drug class Analgesic / Antipyretic
Preparation Effervescent / soluble tablet
Route of administration Oral (dissolved in water)

Specifications of Panadol ActiFast Soluble 24 Tablets

 

What Is Panadol ActiFast Soluble and What Is It Used For?

 

Panadol ActiFast Soluble is an over-the-counter analgesic and antipyretic medicine containing 500mg of paracetamol per effervescent tablet. It is used for the short-term relief of mild to moderate pain, including headaches, migraines, toothache, period pain, back pain, and muscular aches. It is also used to reduce fever associated with colds, flu, and other minor infections. The NHS recognises paracetamol as a first-line treatment for many types of pain and recommends it as one of the safest analgesics when taken correctly.

 

What Do You Need to Know Before Using Panadol ActiFast Soluble?

 

Before taking this medicine, it's important to check whether it's right for you. Do not use Panadol ActiFast Soluble if any of the following apply:

  • You are allergic to paracetamol or any other ingredient in the tablet
  • You have severe liver disease or severe kidney impairment
  • You regularly drink more than 3 units of alcohol per day
  • You are already taking another medicine that contains paracetamol
  • You are under 12 years of age
  • You have been advised to follow a low-sodium diet (each tablet contains sodium)

The following medicines may interact with paracetamol — always tell your pharmacist or GP what you are taking:

  • Warfarin and other anticoagulants (regular paracetamol use may enhance anticoagulant effect)
  • Other paracetamol-containing products (risk of accidental overdose)
  • Metoclopramide or domperidone (may increase the rate of paracetamol absorption)
  • Cholestyramine (may reduce paracetamol absorption if taken within one hour)

 

How Should You Use Panadol ActiFast Soluble?

 

Always use this medicine exactly as described on the label or as directed by your pharmacist. Do not exceed the stated dose.

  1. Drop 1 or 2 tablets into a full glass of water (at least 200ml)
  2. Wait for the tablets to fully dissolve — do not swallow them whole
  3. Stir gently if needed, then drink the entire solution
  4. Repeat every 4 to 6 hours if required
  5. Do not take more than 4 doses in any 24-hour period
Age Group Dose Frequency Maximum in 24 hours
Adults and adolescents (12+) 1–2 tablets (500mg–1000mg) Every 4–6 hours 8 tablets (4000mg)
Children under 12 Not suitable

If you are managing pain alongside digestive discomfort, you may also find our indigestion range useful for complementary symptom support.

 

What Are the Possible Side Effects of Panadol ActiFast Soluble?

 

Paracetamol is generally very well tolerated when taken at the recommended dose. Side effects are uncommon, but it's important to know what to look out for.

Common side effects (may affect up to 1 in 10 people):

  • Nausea
  • Feeling generally unwell

Less common or rare side effects:

  • Skin rash or urticaria (hives)
  • Flushing or low blood pressure (very rare, usually with IV paracetamol — uncommon orally)
  • Thrombocytopenia (very rare reduction in blood platelets)
  • Serious allergic reaction (anaphylaxis) — seek emergency help immediately if you experience swelling of the face, lips, or throat, or difficulty breathing
  • Liver damage — this is associated with overdose, not therapeutic use

If you notice any side effect not listed here, stop taking the medicine and speak to your pharmacist or GP. You can also report side effects directly to the MHRA via the Yellow Card scheme.

 

How Should You Store Panadol ActiFast Soluble?

 

Correct storage helps maintain the quality and safety of the medicine. Follow these guidelines:

  • Store below 25°C in a dry place
  • Keep away from direct sunlight and sources of heat
  • Keep the packaging sealed to protect from moisture — soluble tablets are particularly sensitive to humidity
  • Keep out of the reach and sight of children
  • Do not use after the expiry date printed on the packaging
  • Do not dispose of medicines via wastewater or household waste — return unused medicines to your pharmacy

For general health support alongside your pain management, you might also want to explore our vitamins and supplements range to support your overall wellbeing.

Written and reviewed by our qualified team

Your safety and success are our highest priorities. Our medical team rigorously evaluates every product and piece of advice we provide, ensuring you receive only the most effective, science-backed solutions available.

Frequently Asked Questions

Where can I buy Panadol ActiFast Soluble online in the UK?

You can buy Panadol ActiFast Soluble 24 Tablets directly from Cured Pharmacy, a GPhC-registered UK online pharmacy. It is available without a prescription as a General Sale List medicine. Simply add it to your basket and it will be dispatched to your door.

How does Panadol ActiFast Soluble work in the body?

Panadol ActiFast Soluble contains 500mg of paracetamol per tablet, which works by inhibiting prostaglandin synthesis in the central nervous system. This reduces the transmission of pain signals and lowers elevated body temperature. The soluble format means the medicine is already dissolved when it reaches your stomach, which may support a faster onset of action compared to standard solid tablets.

How do I use Panadol ActiFast Soluble step by step?

Drop one or two tablets into a full glass of water and wait for them to dissolve completely before drinking. Never swallow the tablets whole. Take every 4 to 6 hours as needed, and do not exceed 8 tablets in any 24-hour period.

What is the correct dose of Panadol ActiFast Soluble for adults?

The recommended adult dose is 1 to 2 tablets (500mg to 1000mg of paracetamol) every 4 to 6 hours when required. You should not take more than 4 doses in any 24-hour period, which means a maximum of 8 tablets per day. Always use the lowest effective dose for the shortest time necessary.

What is the best time to take Panadol ActiFast Soluble?

There is no single "best" time — you should take it when you need pain or fever relief. It can be taken with or without food, though taking it after a light meal may help if you have a sensitive stomach. Space doses at least 4 hours apart to avoid exceeding the safe daily limit.

What are the side effects of Panadol ActiFast Soluble?

Side effects are uncommon at the recommended dose. They may include nausea, skin rash, or in very rare cases, a serious allergic reaction. If you experience swelling of the face or throat, difficulty breathing, or any unusual symptoms, stop taking the medicine and seek emergency medical help immediately.

Who should not take Panadol ActiFast Soluble?

This product is not suitable for children under 12 years of age, people with severe liver or kidney disease, or those who are allergic to paracetamol. It is also not recommended for people on a low-sodium diet, as each tablet contains sodium due to the effervescent base. Always check the label and speak to your pharmacist if you are unsure.

What happens if I take too much Panadol ActiFast Soluble?

Taking more than the recommended dose of paracetamol can cause serious and potentially fatal liver damage, even if you feel well at first. If you think you or someone else has taken too much, go to your nearest A&E department immediately or call 999 — do not wait for symptoms to appear. Always keep medicines out of reach of children.

Can I take Panadol ActiFast Soluble with other medicines?

You must not take Panadol ActiFast Soluble alongside any other product containing paracetamol, as this significantly increases the risk of overdose. It may also interact with warfarin, metoclopramide, and cholestyramine. Always tell your pharmacist about all medicines you are currently taking before starting a new one. You can find more information about our pain relief range to help you choose the right option.

Is Panadol ActiFast Soluble safe during pregnancy?

Paracetamol has traditionally been considered the analgesic of choice during pregnancy, but you should always consult your GP or midwife before taking any medicine while pregnant. Use the lowest effective dose for the shortest possible time. Do not take it regularly or in high doses without medical supervision during pregnancy.

Can I take Panadol ActiFast Soluble if I drink alcohol?

If you regularly drink more than 3 units of alcohol per day, you should speak to your doctor before taking paracetamol, as alcohol can increase the risk of liver damage. Occasional, moderate alcohol consumption is generally considered compatible with therapeutic doses of paracetamol, but caution is always advised. When in doubt, ask your pharmacist.

How long can I take Panadol ActiFast Soluble for?

Panadol ActiFast Soluble is intended for short-term use only. If your pain or fever persists for more than 3 days, or if symptoms worsen, you should stop taking it and consult your GP. Prolonged use without medical supervision is not recommended. If you're managing ongoing pain, your doctor can advise on a longer-term treatment plan.

What are the alternatives to Panadol ActiFast Soluble?

Alternatives include standard paracetamol tablets, ibuprofen (if suitable for you), or combination cold and flu remedies that contain paracetamol. For a broader selection, browse our cold and flu range or our full pain relief collection. Your pharmacist can help you choose the most appropriate option based on your symptoms and medical history.

Does Panadol ActiFast Soluble contain any allergens or additives?

Panadol ActiFast Soluble tablets contain sodium bicarbonate and citric acid as part of the effervescent base, which means they have a notable sodium content. They do not contain gluten, but always check the patient information leaflet for the full list of excipients if you have known allergies or intolerances. If you are unsure, speak to your pharmacist before use.

What are the latest studies on paracetamol soluble tablets?

Research continues to support paracetamol as a safe and effective first-line analgesic for mild to moderate pain when used at recommended doses. Studies have explored the pharmacokinetics of soluble versus standard tablet formulations, with some evidence suggesting faster peak plasma concentrations with effervescent forms. The NHS and MHRA continue to endorse paracetamol as a cornerstone of OTC pain management in the UK.

How Should You Use Panadol ActiFast Soluble?

Using Panadol ActiFast Soluble correctly is straightforward, but it's important to follow the steps carefully to get the most from the medicine and avoid any risk of accidental overdose. Never swallow the tablets whole — they are designed to be dissolved in water before drinking.

What Is the Correct Dose of Panadol ActiFast Soluble?

The dose you take will depend on your age and the severity of your symptoms. Always start with the lowest effective dose and only increase to two tablets if one is not providing sufficient relief. Do not take more than four doses in any 24-hour period, regardless of your symptoms.

When Is the Best Time to Use Panadol ActiFast Soluble?

Take Panadol ActiFast Soluble as soon as your pain or fever begins — there is no fixed time of day, and it can be taken at any point when symptoms arise. It can be taken with or without food, though if you have a sensitive stomach, taking it after a light snack may help reduce any mild nausea. Space each dose at least 4 hours apart to stay within the safe daily limit.

How Long Can You Use Panadol ActiFast Soluble For?

This medicine is intended for short-term use only. If you are using it for pain, do not take it for more than 3 days without speaking to your GP or pharmacist. For fever, if your temperature has not improved after 3 days, seek medical advice. Prolonged or frequent use without medical guidance is not recommended, as it may mask an underlying condition that requires proper assessment and treatment.

Do not exceed the recommended dose. If in doubt, speak to your pharmacist.

Customer Reviews

Be the first to write a review
0%
(0)
0%
(0)
0%
(0)
0%
(0)
0%
(0)

What Are the Most Common Side Effects of Panadol ActiFast Soluble?

Paracetamol is one of the most widely used medicines in the UK and is generally very well tolerated when taken at the recommended dose. Serious side effects are rare, but mild reactions can occasionally occur. If you notice anything that concerns you, stop taking the medicine and seek advice from your pharmacist or GP.

  • Nausea or feeling sick
  • General feeling of being unwell
  • Mild stomach discomfort

What Are the Less Common Side Effects of Panadol ActiFast Soluble?

Less common side effects occur in a small number of people and are not always directly caused by the paracetamol itself — some may relate to the effervescent excipients in the tablet. These are worth being aware of, particularly if you have a history of allergies or sensitivities.

  • Skin rash or urticaria (hives)
  • Itching or redness of the skin
  • Headache (paradoxically, in cases of medication overuse)
  • Bloating or wind (related to the effervescent base)

What Are the Serious Side Effects of Panadol ActiFast Soluble?

Serious side effects from paracetamol at therapeutic doses are very rare. However, they can occur and require immediate medical attention. Liver damage is the most significant risk — this is almost exclusively associated with overdose rather than correct use, but it is important to understand the warning signs. Symptoms of liver problems include yellowing of the skin or eyes (jaundice), dark urine, persistent nausea, and upper abdominal pain.

  • Severe allergic reaction (anaphylaxis) — swelling of the face, lips, tongue, or throat; difficulty breathing; rapid heartbeat
  • Liver damage — associated with overdose or prolonged excessive use
  • Thrombocytopenia (very rare reduction in blood platelets) — unusual bruising or bleeding
  • Agranulocytosis (very rare reduction in white blood cells) — increased susceptibility to infection

What Should You Do If You Experience Side Effects of Panadol ActiFast Soluble?

If you experience a mild side effect such as nausea, try taking the medicine after a light meal. For skin reactions, stop taking the medicine and contact your pharmacist. If you suspect a serious allergic reaction or have taken more than the recommended dose, call 999 or go to your nearest A&E immediately — do not wait for symptoms to worsen. You can also report any suspected side effects to the MHRA via the Yellow Card scheme at yellowcard.mhra.gov.uk.

Can Panadol ActiFast Soluble Interact With Other Medicines?

Yes — while paracetamol has fewer interactions than many other analgesics, some clinically significant interactions do exist. The most important is with other paracetamol-containing products, which can lead to accidental overdose if taken together. Regular use alongside warfarin may enhance its anticoagulant effect, increasing bleeding risk. Metoclopramide and domperidone can increase the speed of paracetamol absorption, while cholestyramine may reduce it if taken within one hour. Always inform your pharmacist of all medicines, supplements, and herbal remedies you are taking before starting Panadol ActiFast Soluble.

If you are concerned about any side effects, contact your pharmacist or GP immediately.

Patient Information Leaflet

Important - Before taking any medication, it is always important to read the Patient Information Leaflet (PIL)

Written and reviewed by our qualified team

GPhC Number: 2233073
Tarun Kumar

Reviewed by:

Tarun Kumar

Superintendent/ Clinical Lead

📖 Find out more about our team of medical content authors and how we ensure the accuracy of our content with our content guidelines.

Content last updated: 31 Mar 2025

We’re a safe and
regulated UK service

Registered Pharmacy Badge

Lowest Price Guarantee

We're convinced you won't find your treatment cheaper, but if you do we'll refund the difference.

Find out more

100% discreet packaging

We're convinced you won't find your treatment cheaper, but if you do we'll refund the difference.

Find out more

Agent

Need help?
Talk to our friendly experts now

How our service works

Service Setup

Service setup

Discreet Packaging

Discreet packaging

Express Delivery

Express delivery