Fisherman Friend Lozenges Side Effects & More

Fisherman's Friend & fisherman friend lozenges side effects

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Fisherman Friend Lozenges Side Effects/Fishermans Friend Mint Side Effects/Fisherman’s Friend Mint Side Effects (& Can Fisherman’s Friend Cause Diarrhea?)

Given the ingredients of Fisherman’s Friend lozenges, it is possible to experience any of the following side effects:

  • Diarrhea
  • Nausea
  • Vomiting
  • Stomach upset
  • Headache
  • Feeling tired
  • Missed menstrual periods
  • Fluid retention
  • Sexual problems in men
  • Ataxia
  • Abdominal pain
  • Drowsiness
  • Contact dermatitis
  • Condition of involuntary eye movement
  • Sleep disorder
  • Coma
  • Irregularities in heart rhythm, and
  • Vertigo

It is also possible to experience side effects not listed here.

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READ ALSO: Fisherman’s Friend Breath Mints

Can Fisherman’s Friend Cause Cancer?

Fisherman’s Friend is a brand of lozenges that are commonly used for soothing sore throats and clearing nasal passages. These lozenges contain menthol and other ingredients such as sugar, glucose syrup, and natural flavorings. There is no evidence to suggest that Fisherman’s Friend lozenges cause cancer.

The primary ingredients in Fisherman’s Friend lozenges are generally considered safe when consumed in normal amounts. However, excessive consumption of any product can have adverse health effects. It’s always a good idea to use such products according to the manufacturer’s recommendations and consult with a healthcare provider if you have any concerns about your health or the ingredients in a particular product.

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If you have specific concerns about ingredients or possible health effects, it’s best to review the ingredient list of the specific product you’re using and discuss these with a healthcare professional.

READ ALSO: Fisherman\’s Friend Mint Lozenges/Fisherman’s Friend Mint Lozenges & More

Is It Bad to Eat a Lot of Fisherman’s Friend?

Yes — eating a lot of Fisherman’s Friend lozenges isn’t good for you and can lead to several unpleasant effects if you go well beyond how they’re meant to be used.

Why over-eating them can be a problem

  • Menthol overload: These lozenges rely on menthol. In normal amounts this is fine, but eating many in a short period means your body gets a lot of menthol. Too much can cause nausea, headache, dizziness, stomach ache and vomiting. In extreme, rare cases of very high intake, menthol can affect your nervous system and breathing.
  • Laxative effect: Sugar-free versions often contain sweeteners like sorbitol. Consuming lots of them can pull water into the bowels and cause diarrhea or abdominal discomfort.
  • Gastrointestinal upset: Even regular versions can cause stomach issues if eaten frequently all day.
  • Masking symptoms: Relying on them heavily can hide worsening symptoms of an underlying illness instead of addressing the real cause.
  • Oral/dental effects: Frequent sucking of lozenges, especially sugary ones, can expose teeth to prolonged sugar contact and increase risk of cavities or enamel erosion.
  • Daily limits exist: Some guidance suggests not exceeding around 10 lozenges in 24 hours for typical menthol cough drops. Other sources say up to 15 is the upper bound for some packs, but the exact number depends on the product and ingredients.
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What might happen if you eat a lot

If you eat far more than the intended amount in one day or over several days, you could experience:

  • stomach cramps, nausea, vomiting
  • diarrhea or loose stools
  • headaches or dizziness
  • mouth/throat irritation
  • tiredness or discomfort

In very extreme cases of massive menthol ingestion, more serious symptoms like rapid heart rate or nervous system effects have been reported (but that would require consuming far more than typical packets).

General advice

Use them as intended: dissolve slowly, and don’t chew them or treat them like candy. If you find yourself consuming them very frequently or finishing many packets in a day, it’s better to cut back and talk with a healthcare provider if your throat or cough symptoms persist.

Fisherman’s Friend Overdose/Eating Too Much Fisherman Friend

Fisherman’s Friend lozenges contain menthol and eucalyptus oil.

Overdose symptoms can vary depending on the amount of menthol and eucalyptus oil ingested. Mild symptoms may include dizziness, nausea, and vomiting. More severe symptoms may include difficulty breathing, rapid heartbeat, and seizures.

In rare cases, an overdose can lead to coma or even death.

Treatment for Fisherman’s Friend Overdose

If someone has overdosed on Fisherman’s Friend, it is important to seek medical attention immediately. In mild cases, treatment may involve monitoring the person’s vital signs and providing supportive care such as oxygen therapy or intravenous fluids.

In more severe cases, additional treatments may be needed, such as medication to manage seizures or breathing difficulties.

Prevention of Fisherman’s Friend Overdose

To prevent an overdose, it is important to follow the recommended dosage instructions on the packaging. It is also important to store the lozenges in a safe place, out of the reach of children and pets.

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In addition, it is not recommended to consume Fisherman’s Friend in large quantities or to use it as a substitute for other medications prescribed by a healthcare professional.

Are Fisherman’s Friends Bad for You?/Are Fishermans Friends Bad for You?

No, Fisherman’s Friends are not bad for you.

Although you can experience any of the above side effects based on the ingredients contained in Fisherman’s Friends, the occurrence of these are not very likely.

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How Many Fishermans Friends Can I Take?/How Many Fisherman’s Friends Per Day? Fisherman Friend How Many a Day? How Many Fishermans Friends Can You Eat a Day? How Many Fishermen Friends Can You Eat a Day?

You can eat as many Fisherman’s Friends as you would like.

There is no maximum number that is known to be specifically harmful, though the directions on the Fisherman’s Friend Original Extra Strong packet recommend maintaining 2 hours between lozenges.


Fisherman’s Friend normally comes in paper packaging. The lozenges used to be and can still occasionally be bought in a reusable Fishermans Friend Tin.

Since Fisherman’s Friend lozenges were initially created so that fishermen could carry them out to sea, the metal packaging served to protect the lozenges from water.

Today, the Fishermans Friend tin is a collector’s item.

For lovers of Fishermans Friend, like me, who carry their Fisherman’s Friends everywhere, these tins can be refilled with lozenges from the regular paper packaging more common today. 

This is what a Fishermans Friend tin looks like: 

Fishermans Friend Tin / Fisherman’s Friend Tin Box / Fishermans Friends Tin

How Many Fisherman’s Friends per Day?
Fishermans Friend Tin

Photo Credits: hai-tech.ch, fishermansfriend.com, Fisherman’s Friend UK on Twitter, Ilolo Supermart

8 comments

    1. Hi Pinkmemoirs (pretty name by the way),

      Welcome to ChickAboutTown!

      You do that (about trying out the mints) and let me know what you think when you do.

      Cheers,
      Biche

      P.S. I checked out your blog before I wrote this response. Pole about being on the Bilaz Train but believe me it ain’t all bad. Why date one when you can date many? 😉 (Ok, I am half joking! :-))

  1. I constantly take Honey & Lemon Fisherman’s Friends but am worried they may be causing Tooth Discolouration. Any thoughts ?

  2. I appreciate the detailed breakdown of Fisherman Friend Lozenges and their side effects! I’ve been using them for a while, but it’s great to know what to watch out for. I didn’t realize some people experienced some of these reactions. Thanks for sharing such valuable information!

  3. Great insights on the potential side effects of Fisherman Friend Lozenges! I appreciate the detailed breakdown, especially since I’ve been using them for a while now. It’s good to be informed about what I’m consuming. Thanks for sharing this useful information!

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