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Writer's pictureDr. Amy Knaperek, PharmD

Apple Cider Vinegar for Sore Throat Relief: Benefits, Uses, and Precautions


A sore throat can make even simple tasks feel exhausting. Many turn to natural remedies for quick relief, and apple cider vinegar (ACV) is often a top choice. Known for its antibacterial properties, ACV has been used for generations to soothe throat discomfort. But does it really work, and how should you use it safely? Let’s take a closer look at why ACV is such a popular home remedy and what you need to know before trying it.


What Is Apple Cider Vinegar?

Apple cider vinegar, or ACV, is a fermented liquid made from crushed apples. It has been used in cooking, cleaning, and natural remedies for centuries. Known for its tangy taste and sharp smell, this humble liquid packs a surprising mix of nutrients and beneficial compounds.


How Is Apple Cider Vinegar Made?

The production of ACV involves two simple fermentation steps:

  1. Alcohol Fermentation Fresh apples are crushed into a pulp and exposed to natural yeast and bacteria. These microorganisms convert the sugars in the apples into alcohol, forming what’s known as apple cider.

  2. Acetic Acid Fermentation The alcohol then undergoes a second fermentation process. Acetobacter bacteria turn the alcohol into acetic acid, the main active compound in ACV. This gives ACV its signature sour flavor and strong smell.

The final product typically contains 4-7% acetic acid, along with water and small amounts of other compounds like citric acid, malic acid, and enzymes.


What’s Inside Apple Cider Vinegar?

ACV is more than just a tangy liquid—it’s packed with natural goodness. Here’s what makes it stand out:

  • Acetic Acid: The primary active ingredient, known for its antimicrobial properties.

  • Enzymes: Helpful for digestion and breaking down nutrients.

  • Trace Vitamins and Minerals: Small amounts of potassium, magnesium, and some B vitamins.

  • “Mother” Culture: Unfiltered ACV contains a cloudy substance called the “mother.” It’s rich in probiotics, which are beneficial bacteria that support gut health.


Why Does ACV Matter in Natural Remedies?

The fermentation process creates a unique liquid with properties that can soothe and protect. ACV’s high acetic acid content explains its ability to fight bacteria and reduce inflammation. This makes it a popular natural option for addressing minor infections, including sore throats.

Whether added to recipes, diluted for a drink, or used as a gargle, ACV brings a versatile and time-tested approach to natural health solutions.


How Does Apple Cider Vinegar Help Sore Throats?

Apple cider vinegar (ACV) has long been praised as a natural remedy for sore throats. Its unique properties make it a go-to option for soothing discomfort and combating the root causes of irritation. Let’s explore how its acidity and antimicrobial qualities may provide relief.

Acidic Nature and pH Balance

The secret behind apple cider vinegar’s effectiveness lies in its acidity. ACV contains acetic acid, which gives it a low pH. This acidity can create an environment that’s hostile to harmful microorganisms, like bacteria or viruses, often responsible for sore throats.

  • How does this help? Many bacteria struggle to thrive in acidic conditions. When you gargle with diluted ACV, it may help slow their growth or even eliminate them.

  • Balancing your throat’s pH: ACV could help stabilize the pH in your throat, keeping it less welcoming for irritants.

By maintaining a balanced and acidic environment, ACV might give your body the upper hand against throat infections.


Antimicrobial Properties

Apple cider vinegar isn’t just acidic—it’s also packed with antimicrobial power. The acetic acid it contains is known for its ability to kill bacteria and other pathogens, making it a natural disinfectant for sore throats.

  • Soothing irritation: ACV may help calm the inflammation caused by bacterial infections or dryness.

  • Fighting bacteria: Harmful bacteria lurking in your throat could be neutralized with regular gargling of diluted ACV.

It’s not just about killing germs. ACV might also help reduce mucus buildup, making your throat feel clearer and less congested. This combination of soothing and cleansing can provide rapid relief from discomfort.


When used carefully, ACV’s antimicrobial properties can work alongside your body’s defense system. Be sure to dilute it properly to avoid irritation or overuse—this natural remedy is powerful, but a little goes a long way.


How to Use Apple Cider Vinegar for Sore Throats


Apple cider vinegar (ACV) is a versatile natural remedy for sore throat relief. From gargling solutions to soothing drinks, there are various ways to use ACV at home. Below are practical and effective methods you can try to ease throat discomfort safely.


Gargling Solution

One of the most common ways to use ACV for a sore throat is by creating a gargling solution. This method works by exposing the throat to ACV’s antimicrobial properties while also helping to cleanse and soothe. This is the option I usually choose when I have a sore throat. I add salt and a little bit of honey (and sometimes lemon juice), too!


Here’s how to do it:

  1. Gather Your Ingredients: You’ll need:

    • 1 cup of warm water (not hot to avoid irritation).

    • 1-2 tablespoons of raw, unfiltered apple cider vinegar.

    • Optional: 1 teaspoon of salt to enhance soothing effects.

  2. Mix Thoroughly: Combine the ACV and water in a glass or bowl. Stir well to evenly distribute the vinegar.

  3. Gargle Safely:

    • Sip a small amount of the solution.

    • Tilt your head back slightly and gargle for about 30 seconds.

    • Spit out the liquid—do not swallow the gargling solution.

  4. Repeat as Needed: Use this method up to 3 times a day, spacing it out for maximum relief. If irritation occurs, dilute the solution further or reduce the frequency.

This simple practice is an easy way to target soreness directly while maintaining safety.


Drinks and Tonics

If gargling isn’t your thing or you want a more soothing option, ACV can be added to drinks. These tonics combine the benefits of ACV with other soothing ingredients to provide relief from the inside out. Here are two popular recipes:

  1. Classic ACV Honey Drink:

    • 1 tablespoon of apple cider vinegar.

    • 1 tablespoon of honey (known for its soothing and antibacterial properties).

    • 8 ounces of warm water.

    • Optional: A squeeze of fresh lemon for added flavor and vitamin C.

    Mix all ingredients thoroughly. Sip slowly and let the warm liquid coat your throat for a calming effect. This drink can be enjoyed up to twice a day.

  2. Cinnamon-Infused ACV Tonic:

    • 1 tablespoon of ACV.

    • 1 cup of warm herbal tea or water.

    • A pinch of cinnamon (anti-inflammatory and adds flavor).

    • 1 teaspoon of honey or maple syrup for sweetness.

    Stir all ingredients and drink warm. Cinnamon adds an extra layer of comfort, especially during colder months. This tonic is great before bed to ease nighttime throat discomfort.


Dosage Recommendations

While ACV can provide relief, it’s essential to use it correctly to avoid overdoing it. Here are some general guidelines for safe usage:

  • For Gargling: Use 1-2 tablespoons in a cup of water, but no more than 3 times daily. Overuse could irritate the throat or enamel on your teeth.

  • For Drinks: Stick to 1-2 tablespoons per drink. Limit yourself to 2-3 servings per day. Excess ACV can upset your stomach or harm your tooth enamel.

  • Important Tips:

    • Always dilute the vinegar to prevent throat burns or discomfort.

    • Use a straw when drinking ACV tonics to minimize contact with your teeth.

    • Take a break after several days of use to give your body time to adjust.

Following these recommendations ensures that you can enjoy the benefits of ACV without negative side effects. Always listen to your body and adjust the dosage as needed.


Potential Side Effects and Precautions

While apple cider vinegar (ACV) may provide sore throat relief, it’s essential to be mindful of its potential side effects. Misuse or overuse can lead to unintended health issues. Below are precautions to take and how to address common concerns.


Digestive Issues

Some people experience digestive discomfort when consuming apple cider vinegar. Its high acidity can irritate the stomach lining, especially if consumed in large amounts or on an empty stomach.

  • What might happen? You may feel nausea, bloating, or even mild heartburn if ACV triggers acid reflux.

  • Why does this occur? The acidity in ACV, while beneficial in small doses, can trigger stomach sensitivity in certain individuals.

To avoid these issues:

  • Always dilute ACV properly. Mix 1-2 tablespoons in a full glass of water before drinking.

  • Start with smaller doses and gradually increase if your body tolerates it well.

  • Avoid consuming it on an empty stomach if you’re prone to acid reflux. Try pairing it with a meal or snack.

If discomfort persists, adjust your intake or consider alternative remedies. Listening to your body’s response is key.


Tooth Enamel Erosion

One of the most well-known concerns about using ACV frequently is its potential to weaken tooth enamel. The acid in ACV can erode the protective layer on your teeth over time, increasing the risk of sensitivity, discoloration, or cavities.

  • What’s the risk? Acidic liquids, including ACV, can wear down enamel, much like sugary or citrus drinks.

  • What can you do? There are simple steps to protect your teeth without losing the potential benefits of ACV.

Here are a few tips to minimize damage:

  1. Always dilute ACV: Drinking undiluted vinegar significantly increases the risk of enamel erosion. Stick to diluted mixtures.

  2. Use a straw: This allows the liquid to bypass direct contact with your teeth.

  3. Rinse your mouth: After drinking ACV, swish water around to wash away any residual acid.

  4. Limit frequency: Avoid consuming ACV more than 2-3 times per day, and take breaks throughout the week.

  5. Wait to brush: Brushing your teeth immediately after consuming acidic substances can worsen enamel erosion. Wait at least 30 minutes before brushing.

By following these precautions, you can reap the benefits of ACV for sore throat relief without risking long-term dental harm. Remember, balance and moderation are essential.


Alternatives to Apple Cider Vinegar

Apple cider vinegar is a popular remedy for sore throats, but it isn’t your only option. Other natural solutions can help ease throat discomfort and offer variety for those seeking relief. Below are two tried-and-true alternatives that are simple, effective, and easy to use.


Salt Water Gargle

A salt water gargle is a classic approach for relieving sore throat symptoms. It’s simple, doesn’t require special ingredients, and works effectively to reduce discomfort.

  • Why is it helpful? Salt helps draw out excess moisture from inflamed tissues in the throat, reducing swelling and easing pain. It also creates an environment that’s less inviting for bacteria and irritants to thrive.

  • How to make it: Mix 1/4 to 1/2 teaspoon of salt in 8 ounces of warm water. Stir until fully dissolved.

To use, tilt your head back and gargle the solution for about 30 seconds. Spit out the liquid and repeat as needed. This remedy is especially useful when your throat feels raw or scratchy.

Salt water also helps clear mucus buildup in the throat, offering additional relief. It’s safe for most people and easy to include in your daily routine while symptoms persist.


Honey and Lemon

Another soothing remedy combines two pantry staples: honey and lemon. Together, they create a comforting mixture that coats the throat and reduces irritation.

  • Honey: Known for its natural antimicrobial properties, honey can fight bacteria and soothe sore, inflamed tissues. Its thick consistency forms a protective layer on the throat, reducing the scratchy sensation.

  • Lemon: Packed with vitamin C, lemon helps support the immune system and adds a refreshing flavor. Its natural acidity can also break down mucus and clear irritants from the throat.

To make this remedy:

  1. Mix 1 tablespoon of honey with the juice of half a lemon in a cup of warm water or herbal tea.

  2. Stir until blended and sip slowly.

This warm drink not only targets throat irritation but also offers hydration, which is key when fighting sickness. For an extra boost, you can add a pinch of cinnamon or a slice of fresh ginger for additional anti-inflammatory benefits.


Using honey and lemon is a natural way to ease discomfort without harsh chemicals or side effects. It’s gentle enough for both adults and children (over one year old) and can be repeated throughout the day.



Wrapping Up Your Natural Remedy Journey

Apple cider vinegar has proven itself as a natural helper for sore throats. Its antimicrobial and soothing properties offer quick relief when used correctly. While ACV is a popular option, it's important to use it safely and recognize its potential limits.

Remember the Key Benefits

Still weighing the pros and cons? Consider these highlights when deciding if ACV is right for you:

  • Antimicrobial Action: Targets bacteria that often worsen throat discomfort.

  • Acidic Balance: Creates a less hospitable environment for harmful microorganisms.

  • Versatility: Can be used in gargles or healing drinks.

However, balance is essential. Overusing ACV can irritate your throat, stomach, or teeth, making it less effective over time.


Always Prioritize Safety

Thinking about adding ACV to your sore throat remedy toolkit? Here are a few safety points to keep top of mind:

  • Dilution is key to avoid irritation.

  • Don’t exceed the recommended daily use.

  • Pair ACV with a straw or rinse your mouth afterward to protect your teeth.


When in doubt, or if your symptoms last longer than a few days, consult a healthcare provider. Sore throats are common but can sometimes point to a deeper issue, like a bacterial infection that may need professional treatment.


Natural remedies like ACV can complement your approach to health but should never replace expert advice. Always listen to your body and take steps to protect its well-being.

Have you tried apple cider vinegar for sore throat relief? Engage with this centuries-old remedy safely by following these tips and listening to your body’s response.


References:

Chandraseharan P, Sockalingam SNM, Shafiei Z, Zakaria ASI, Mahyuddin A, Rahman MA. The Efficacy of Apple Cider Vinegar at Different pH Values as an Antimicrobial Agent: An In Vitro Study. J Contemp Dent Pract. 2023 Oct 1;24(10):779-786. doi: 10.5005/jp-journals-10024-3581. PMID: 38152911.


Gopal J, Anthonydhason V, Muthu M, Gansukh E, Jung S, Chul S, Iyyakkannu S. Authenticating apple cider vinegar's home remedy claims: antibacterial, antifungal, antiviral properties and cytotoxicity aspect. Nat Prod Res. 2019 Mar;33(6):906-910. doi: 10.1080/14786419.2017.1413567. Epub 2017 Dec 11. PMID: 29224370.


Samarghandian S, Farkhondeh T, Samini F. Honey and Health: A Review of Recent Clinical Research. Pharmacognosy Res. 2017 Apr-Jun;9(2):121-127. doi: 10.4103/0974-8490.204647. PMID: 28539734; PMCID: PMC5424551.


Yagnik D, Serafin V, J Shah A. Antimicrobial activity of apple cider vinegar against Escherichia coli, Staphylococcus aureus and Candida albicans; downregulating cytokine and microbial protein expression. Sci Rep. 2018 Jan 29;8(1):1732. doi: 10.1038/s41598-017-18618-x. PMID: 29379012; PMCID: PMC5788933.


Yagnik D, Ward M, Shah AJ. Antibacterial apple cider vinegar eradicates methicillin resistant Staphylococcus aureus and resistant Escherichia coli. Sci Rep. 2021 Jan 20;11(1):1854. doi: 10.1038/s41598-020-78407-x. PMID: 33473148; PMCID: PMC7817673.

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