guronsan effervescent tablet | Uses, Dosage, Side Effects, Precautions & Warnings

GURONSAN, effervescent tablet
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Generic drug of the Therapeutic class: Metabolism and nutrition
active ingredients: Glucuronamide , Ascorbic acid (E300) , Caffeine

what is guronsan ?

  • Pharmacotherapeutic group: For antiasthenic purposes. (A: Digestive system and metabolism) – ATC code: A13 TONICS.
  • You should contact your doctor if you do not feel any improvement or if you feel less well after 15 days.

what is guronsan medication used for and indication?

This medication is recommended in states of temporary fatigue in adults (over 15 years).


2 presentations are available for this medication:

  • 2 polypropylene tube (s) of 15 tablet (s)
  • polypropylene tube (s) of 15 tablet (s)
Pharmaceutical class not communicated
Active substance (s) for one tablet: caffeine (50 mg), ascorbic acid (500 mg), glucuronamide (400 mg)
General medicine no
Pharmaceutical form effervescent tablet
Route (s) of administration oral
Selling price unregulated price
Social security reimbursement rate 0%
Laboratory (s) Laboratory (s) manufacturer Guronsan
Conditions of issue available without prescription

guronsan Dosage


RESERVED FOR ADULTS (over 15 years old).

The tablets are to be dissolved in a glass of water.

2 tablets per day, 1 in the morning and 1 at noon.

Avoid taking after 16 hours.

Duration of treatment limited to 4 weeks.

Duration of treatment


guronsan Contraindications

This medication is contraindicated in the following situations:

  • Hypersensitivity to one of the constituents of the tablet,
  • Oxalocalcic renal lithiasis when using high doses of ascorbic acid, greater than 1 g.
  • This medication is generally not recommended in combination with enoxacin (see section Interactions with other medicinal products and other forms of interactions ).

How To Take guronsan ?

Method and route of administration

  • Oral route
  • The tablets are to be dissolved in a glass of water.

how does guronsan work?

  • Not specified.
  • Not specified.
  • Not specified.

How To Store guronsan ?

  • Keep this medication out of the sight and reach of children.
  • Do not use this medicine after the expiry date which is stated on the package after EXP. The expiration date refers to the last day of that month.
  • Store at a temperature below 25 ° C and protected from light.
  • Do not throw away any medicines via a wastewater treatment plant or with household waste. Ask your pharmacist how to throw away the medicines you no longer use. These measures will help protect the environment.

guronsan Side Effects

Like all medicines, GURONSAN, effervescent tablet can cause side effects, although not everybody gets them:

  • possibility of insomnia, nervousness.
  • If you notice any side effects not listed in this leaflet, or if any side effects get serious, please tell your doctor or pharmacist.
  • Keep out of the reach and sight of children.

guronsan Interactions

Related to the presence of caffeine:

Not recommended associations


  • Significant increase in plasma caffeine concentrations which may lead to excitement and hallucinations due to decreased hepatic metabolism.

Combinations subject to precautions for use


  • With injectable dipyridamole: reduction of the vasodilator effect of dipyridamole by caffeine.
  • Interrupt caffeine therapy at least 5 days prior to myocardial imaging with dipyridamole and avoid the consumption of coffee, tea, chocolate or cola within 24 hours of the test.


  • Possible increase in plasma concentrations of caffeine, with risk of overdose, by inhibition of its hepatic metabolism.
  • Clinical monitoring and possible adjustment of the caffeine dosage.

Associations to take into account

 Ciprofloxacin, norfloxacin:

  • Increase in plasma concentrations of caffeine, by decrease in its hepatic metabolism.


  • Increase in plasma caffeine concentrations, by inhibition of its hepatic metabolism by mexiletine.


  • In the event of sudden cessation of consumption of coffee or drugs containing caffeine, risk of increased blood lithium.

Related to the presence of ascorbic acid:

Combinations subject to precautions for use


  • Increased risk of iron-induced heart failure due to increased iron mobilization by supraphysiological vitamin C supplementation. In case of hemochromatosis, give vitamin C only after starting treatment with deferoxamine. Monitor cardiac function in combination.
  • Not applicable.

Drive and use machines

  • Not applicable.
  • Not applicable.
  • Not applicable.

Warnings and Precautions

Special warnings

  • The use of this medication is not recommended in patients with fructose intolerance, glucose-galactose malabsorption syndrome or sucrase / isomaltase deficiency (rare hereditary diseases).
  • This medicine contains sodium. This medicine contains 616 mg of sodium per tablet. To be taken into account in patients controlling their dietary sodium intake.
  • Vitamin C should be used with caution in case of Glucose-6-Phosphate Dehydrogenase deficiency (hereditary disease of red blood cells), because high doses of vitamin C, i.e. greater than 1 g / day in adults, may have caused haemolysis (destruction of red blood cells). It is important to respect the dosages and to take into account the ascorbic acid intake by other drugs.

Precautions for use

  • Due to the possibility of insomnia, it is best to avoid taking this medication after 4 p.m.



  • There are no data on teratogenesis in animals.
  • Clinically, no malformative or foetotoxic effect has appeared to date. However, the monitoring of pregnancies exposed to this drug is insufficient to be able to exclude any risk.
  • Therefore, as a precautionary measure, it is best not to use this drug during pregnancy.

Feeding with milk

  • Due to the lack of data on the passage of this drug in breast milk, the use of it should be avoided during breast-feeding.

What happens if I overdose from guronsan ?

  • Acute hemolysis has been observed following administration of large doses of ascorbic acid (i.e. greater than 1 g / day in adults) in subjects deficient in G6PD.
  • An overdose of GURONSAN, an effervescent tablet, may cause the following symptoms to appear, which may in particular be linked to the presence of caffeine: headache, visual disturbances, anxiety, agitation, insomnia, cardiac arrhythmias, or even in severe cases, a confusion or transient psychosis.
  • Intakes of vitamin C and / or caffeine from other sources should be taken into account.

What should I do if I miss a dose?

  • Not applicable.
  • Not applicable.
  • Not applicable.

What happens if you stop taking guronsan ?

  • Not applicable.
  • Not applicable.
  • Not applicable.

If you have further questions on the use of this medicine, ask your doctor or pharmacist for more information.

What is  Forms and Composition ?

Appearance and shape

  • Effervescent tablet.
  • Polypropylene tube of 15 effervescent tablets , closed with a low density polyethylene stopper
    containing a desiccant (silica gel). Box of 2 tubes.


Active substances

For an effervescent tablet.

Other components

Sodium bicarbonate, monosodium fumarate, sodium polymetaphosphate, sodium cyclamate, sodium saccharin, sucrose, macrogol 6000, gin-fizz flavor *.

* Composition of the gin-fizz aroma: essential oil of lemon, essential oil of juniper berries, maltodextrin, gum arabic.


  • sodium (616 mg / tablet), sucrose.


Edrug-online contains comprehensive and detailed information about drugs available in the medical field, and is divided into four sections:

general information:

  • Includes a general description of the drug, its use, brand names, FAQs, and relevant news and articles

Additional information:

  • General explanation about dealing with the medicine: how to take the medicine, the doses and times of it, the start and duration of its effectiveness, the recommended diet during the period of taking the medicine, the method of storage and storage, recommendations in cases for forgetting the dose and instructions to stop taking the drug and take additional doses.

Special warnings:

  • For pregnant and breastfeeding women, the elderly, boys and drivers, and use before surgery.

Side effects:

  • It treats possible side effects and drug interactions that require attention and its effect on continuous use.
  • The information contained in this medicine is based on medical literature, but it is not a substitute for consulting a doctor.

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