Amoxicillin/Clavulanate Potassium is a combined antibiotic tablet that can treat nasal infections. The combination of two medications means the tablets are effective against a broad range of bacteria.
Amoxicillin is a penicillin-like antibiotic, and clavulanate potassium belongs to a class of drugs known as beta-lactamase inhibitors. In short, they extend the amount of time amoxicillin is active in your system.
Nasal infections can be caused by both viruses and bacteria. If your infection is bacterial, you might be prescribed a short course of antibiotics like Amoxicillin/Clavulanate Potassium. Viral and bacterial sinus infections often cause the same symptoms, such as pain around your cheeks, headaches, and yellow or green mucus from your nose. Viral infections often clear up on their own, but nasal symptoms that linger could mean you have a bacterial sinus infection.
How does Amoxicillin/Clavulanate Potassium work?
Antibiotics stop bacteria from growing. Amoxicillin is used to treat various bacterial infections, including pneumonia, bronchitis and urinary tract infections.[1] It works in the same way as penicillin – by damaging the cell walls of bacteria, it makes them leaky and eventually destroys them.
Clavulanate potassium is used in combination with amoxicillin to prevent bacteria from breaking it down. This action prolongs the amount of time amoxicillin has to work in your body, making it more effective at clearing infections.
What doses of Amoxicillin/Clavulanate Potassium are there?
Amoxicillin/Clavulanate potassium tablets come in three strengths: 250mg/125mg, 500mg/125mg or 875mg/125mg.
You’ll either be told to take 500 mg/125 mg or 875 mg/125 mg every 12 hours, or 250 mg/125 mg or 500 mg/125 mg every 8 hours.
The dose you’re prescribed usually depends on the severity of your symptoms. Your physician will advise you about the amount of Amoxicillin/Clavulanate potassium you need to take each day, but a course of tablets usually lasts for at least five days.
This page was written by The Treated Content Team.
This page was medically reviewed by Dr Alexandra Cristina Cowell on January 29, 2025. Next review due on January 29, 2028.
How we source info.
When we present you with stats, data, opinion or a consensus, we’ll tell you where this came from. And we’ll only present data as clinically reliable if it’s come from a reputable source, such as a state or government-funded health body, a peer-reviewed medical journal, or a recognised analytics or data body. Read more in our editorial policy.
Amoxicillin/Clavulanate PotassiumAmoxicillin
How to take Amoxicillin/Clavulanate Potassium
Swallow your tablets whole, with a glass of water. Avoid breaking them up or trying to dissolve them.
You can take Amoxicilin and clavulanate potassium with or without food, but the clavulanate potassium in the tablets might be better absorbed if you take it with a meal. With this in mind, you should aim to take your dose before you eat.
Try to take your doses at the same time each day, so you stick to a dosage routine without making any mistakes.
How long does Amoxicillin/Clavulanate Potassium take to work?
Antibiotics will work faster for some people than they will for others, so it’s hard to say exactly when you’ll start feeling better.
The medication will start working in your system soon after your first tablet, but it might be a few days before your symptoms start to clear. Feeling less congested, mucus returning to a normal colour, and less pressure in your face are all signs that your infection is clearing.
If your nasal infection symptoms do start to ease up after only a few days, it’s still important to finish the entire course of tablets. Stopping antibiotics too soon can mean the bacteria causing your infection can survive, and may mean you need to start a course of treatment again. Take your antibiotics how they’ve been prescribed.
What if I make a mistake while using Amoxicillin/Clavulanate Potassium?
If you forget to take a tablet at your usual time, you can take it as soon as you remember. If it’s getting close to the time when your next dose is due, however, skip the missed tablet and continue with your normal dosage routine.
If you take too many tablets, go to the emergency department at your nearest hospital and seek urgent help. If you can, bring the box your tablets came in with you, to give hospital staff as much information as possible.
This page was written by The Treated Content Team.
This page was medically reviewed by Dr Alexandra Cristina Cowell on January 29, 2025. Next review due on January 29, 2028.
How we source info.
When we present you with stats, data, opinion or a consensus, we’ll tell you where this came from. And we’ll only present data as clinically reliable if it’s come from a reputable source, such as a state or government-funded health body, a peer-reviewed medical journal, or a recognised analytics or data body. Read more in our editorial policy.
Amoxicillin/Clavulanate PotassiumAmoxicillin
Amoxicillin/Clavulanate Potassium isn’t suitable for everyone, and there are some things that you need to be aware of when taking it.
Here’s all the official info on it. If anything is unclear, let your physician know, and they can talk with you about it.
Amoxicillin/Clavulanate PotassiumAmoxicillin
Amoxicillin/Clavulanate Potassium: FAQ
Have something specific you want to know? Search our info below, or ask our experts a question if you can’t find what you’re looking for.
Is Amoxicillin/Clavulanate Potassium similar to any other nasal infection treatments?
Answer:
Amoxicillin/Clavulanate Potassium is a generic medicine. There’s a branded version of it available called Augmentin. Both medications work in the same way, but generic treatments are usually a bit cheaper.
Amoxicillin is also prescribed without clavulanate potassium, either as a generic or as a brand such as Amoxil.
Combining clavulanate potassium with an antibiotic can help it work more effectively, so Amoxicillin/Clavulanate potassium might be prescribed if your bacterial infection symptoms are severe.
If you have an allergy to penicillin, other antibiotics might be used to treat your infection. They include doxycycline, erythromycin, and clindamycin. These are also available as brands, and like Amoxicillin/Clavulanate potassium, courses usually last around five days.
Do I need a prescription for Amoxicillin/Clavulanate Potassium?
Answer:
All antibiotics require a prescription, so you’ll need one to start using Amoxicillin/Clavulanate Potassium.
Before you begin a course of tablets, your physician will make sure they’re the best option for managing your nasal infection. This will involve looking at the severity of your symptoms, and where your infection seems bacterial.
If you have a history of penicillin sensitivity, Amoxicillin/Clavulanate Potassium won’t be prescribed. Instead, you’ll be offered a different type of antibiotic, such as a tetracycline or quinolone.
Will Amoxicillin/Clavulanate Potassium cause side effects?
Answer:
All medications can cause adverse reactions. They won’t affect everyone in the same way though, so people tend to experience different side effects when taking Amoxicillin/Clavulanate Potassium.
Diarrhea, skin rashes and nausea have all been reported as side effects during clinical trials.[1] In the same trials, only 3% of patients discontinued treatment with Amoxicillin/Clavulanate Potassium because of side effects, which means any you experience should be tolerable.
Can I drink alcohol while using Amoxicillin/Clavulanate Potassium?
Answer:
While there’s no specific warning about drinking alcohol while using Amoxicillin/Clavulanate Potassium, you might want to avoid it while you’re managing a nasal infection.
Alcohol can delay your recovery, and can also cause dehydration. The effects of drinking too much alcohol could also make sinusitis symptoms, like a headache or nausea, feel more severe.
Can I take Amoxicillin/Clavulanate Potassium if I’m breastfeeding?
Answer:
Pencillins are considered safe to use during pregnancy, but if you’re concerned about how antibiotics might affect your baby, you can talk to a physician about it.
Low levels (around 1%) of amoxicillin are thought to transfer to breastmilk, which means you might want to be cautious about using the tablets if you’re breastfeeding.[2] You need to talk to your physician and only take amoxicillin/clavulanate potassium if they decide that the benefits outweigh the risks.
Our experts continually monitor new findings in health and medicine, and we update our articles when new info becomes available.
Jan 29, 2025
Published by: The Treated Content Team.Medically reviewed by: Dr Alexandra Cristina Cowell, Writer & Clinical Content Reviewer
How we source info.
When we present you with stats, data, opinion or a consensus, we’ll tell you where this came from. And we’ll only present data as clinically reliable if it’s come from a reputable source, such as a state or government-funded health body, a peer-reviewed medical journal, or a recognised analytics or data body. Read more in our editorial policy.
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Dr Alexandra Cristina Cowell
Writer & Clinical Content Reviewer
Cristina writes content for Treated, and reviews content produced by our other writers to make sure it’s clinically accurate.
When we present you with stats, data, opinion or a consensus, we’ll tell you where this came from. And we’ll only present data as clinically reliable if it’s come from a reputable source, such as a state or government-funded health body, a peer-reviewed medical journal, or a recognised analytics or data body. Read more in our editorial policy.
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