PNEUMOTYL Acetylcysteine 600mg Effervescent Tablet 10's
RXDRUG-DRP-8201-01
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Features
Brand
Pneumotyl
Full Details
Dosage Strength
600 mg
Drug Ingredients
- Acetylcysteine
Drug Packaging
Effervescent Tablet 10's
Generic Name
Acetylcysteine
Dosage Form
Effervescent Tablet
Registration Number
DRP-8201-01
Drug Classification
Prescription Drug (RX)
Description
Indications/Uses
Secretolytic therapy in acute and chronic bronchopulmonary diseases accompanied by impaired formation and transport of mucus.
Dosage/Direction for Use
If not otherwise prescribed, the following dosage is recommended for acetylcysteine 200 mg effervescent tablets: Adults and adolescents from 14 years of age: 1 effervescent tablet 2-3 times daily (equivalent to 400-600 mg acetylcysteine per day).
Children and adolescents 6-14 years of age: 1 effervescent tablet twice daily (equivalent to 400 mg acetylcysteine per day).
Children 2-5 years of age: ½ effervescent tablet 2-3 times daily (equivalent to 200-300 mg acetylcysteine per day).
If not otherwise prescribed, the following is recommend for acetylcysteine 600mg effervescent tablets: Adults and adolescents from 14 years of age: ½ effervescent tablet twice daily or 1 effervescent tablet once daily (equivalent to 600 mg acetylcysteine per day).
Method of administration: The effervescent tablets are taken dissolved in a glass of water after meals.
Duration of use: should not be taken for more than 4-5 days without medical advice.
Children and adolescents 6-14 years of age: 1 effervescent tablet twice daily (equivalent to 400 mg acetylcysteine per day).
Children 2-5 years of age: ½ effervescent tablet 2-3 times daily (equivalent to 200-300 mg acetylcysteine per day).
If not otherwise prescribed, the following is recommend for acetylcysteine 600mg effervescent tablets: Adults and adolescents from 14 years of age: ½ effervescent tablet twice daily or 1 effervescent tablet once daily (equivalent to 600 mg acetylcysteine per day).
Method of administration: The effervescent tablets are taken dissolved in a glass of water after meals.
Duration of use: should not be taken for more than 4-5 days without medical advice.
Overdosage
No case of toxic overdose has been observed to date in association with oral pharmaceutical forms of acetylcysteine. Volunteers were treated with dose of 11.6 g acetylcysteine/day over 3 months without observing any severe side effects. Oral doses up to 500 mg acetylcysteine/kg BW were tolerated without any symptoms of intoxication.
Symptoms of intoxication: Overdoses may lead to gastrointestinal symptoms, such as nausea, vomiting and diarrhoea. Infants are at risk of hypersecretion.
Therapy of intoxication: If necessary, according to the symptoms.
Symptoms of intoxication: Overdoses may lead to gastrointestinal symptoms, such as nausea, vomiting and diarrhoea. Infants are at risk of hypersecretion.
Therapy of intoxication: If necessary, according to the symptoms.
Administration
Should be taken with food: Dissolve tab in a glass of water.
Contraindications
Hypersensitivity to acetylcysteine or to any of the excipients; Active peptic ulceration; Children below 2 years of age.
Special Precautions
Cave during use in patients with bronchial asthma and in patients with anamnestic ulcers.
The use of acetylcysteine, especially in early treatment can lead to liquefaction and thus to an increase in volume of bronchial secretions. If the patient is unable to expectorate (sufficiently expectorate), appropriate measures (such as drainage and aspiration) should be performed.
The occurrence of severe skin reactions such as Stevens-Johnson syndrome and Lyell's syndrome has very rarely been reported in temporal connection with use of acetylcysteine. If cutaneous and mucosal changes newly occur, medical advice should be sought without delay and use of acetylcysteine be terminated.
Effects on ability to drive and use machines: None known.
The use of acetylcysteine, especially in early treatment can lead to liquefaction and thus to an increase in volume of bronchial secretions. If the patient is unable to expectorate (sufficiently expectorate), appropriate measures (such as drainage and aspiration) should be performed.
The occurrence of severe skin reactions such as Stevens-Johnson syndrome and Lyell's syndrome has very rarely been reported in temporal connection with use of acetylcysteine. If cutaneous and mucosal changes newly occur, medical advice should be sought without delay and use of acetylcysteine be terminated.
Effects on ability to drive and use machines: None known.
Use In Pregnancy & Lactation
Pregnancy: No sufficient data on exposed pregnant women are available for acetylcysteine. Experimental animal studies do not suggest direct or indirect harmful effects on pregnancy, embryonal/foetal development, birth or postnatal development (see also Pharmacology: Toxicology: Preclinical safety data under Actions). Acetylcysteine should be used during pregnancy after strict assessment of the benefit-risk ratio.
Lactation: No information is available regarding excretion into breast milk. Acetylcysteine should be used during lactation only after strict assessment of the benefit-risk ratio.
Lactation: No information is available regarding excretion into breast milk. Acetylcysteine should be used during lactation only after strict assessment of the benefit-risk ratio.
Drug Interactions
Combined administration of acetylcysteine with antitussives may cause dangerous secretory congestion due to the reduced cough reflex, so that an especially careful diagnosis is required for this combination treatment.
Reports to date on an inactivation of antibiotics due to acetylcysteine exclusively refer to in vitro experiments in which the relevant substances were mixed directly. Nevertheless for safety reasons, oral antibiotics should be administered separately and at an interval of at least 2 hours. This does not apply to cefixime and loracarbef.
Acetylcysteine may potentiate the vasodilatory effect of nitroglycerin. Caution is advised.
Reports to date on an inactivation of antibiotics due to acetylcysteine exclusively refer to in vitro experiments in which the relevant substances were mixed directly. Nevertheless for safety reasons, oral antibiotics should be administered separately and at an interval of at least 2 hours. This does not apply to cefixime and loracarbef.
Acetylcysteine may potentiate the vasodilatory effect of nitroglycerin. Caution is advised.
Caution For Usage
Incompatibilities: Not applicable.
Storage
Store at temperature not exceeding 30°C.
Action
Pharmacotherapeutic group: mucolytics. ATC code: R05CB01.
Pharmacology: Pharmacodynamics: Acetylcysteine is a derivative of the amino acid cysteine. The efficacy of acetylcysteine is secretolytic and secretomotoric in the area of the respiratory tract. It is discussed that it splits off the interconnecting disulphide bonds between the mycopolysaccharide chains and that it has depolymerizing effect on DNA-chains (in purulent mucus). Due to these mechanism, the viscosity of mucus should be reduced.
An alternative mechanism of acetylcysteine is meant to be based on the capacity of its reactive SH group to bind chemical radicals and detoxify them in this way.
Furthermore, acetylcysteine contributes to an increase in glutathione synthesis, which is important for the detoxifcation of noxae. This provides the explanation for its antidotal effect in paracetamol intoxication.
Pharmacokinetics: Absorption: Following oral administration, acetylcysteine is rapidly and almost completely absorbed and metabolized in the liver to cysteine, the pharmacologically active metabolite, as well as diacetylcystine, cystine and further mixed disulphides.
Distribution: Due to high first-pass effect, the bioavailability of orally administered acetylcysteine is very low (approx. 10%). In humans, the maximum plasma concentrations are achieved after 1-3 hours with the maximum plasma concentration of the metabolite cysteine in the range of approx. 2 μmol/L. The protein binding of acetylcysteine was determined to be about 50%.
Biotransformation: Acetylcysteine and its metabolites occur in three different forms in the organism: partially in free form, partially bound to proteins via labile disulphide bonds and partially as incorporated amino acid. Acetylcysteine is excreted almost exclusively in the form of inactive metabolites (inorganic sulphates, diacetylcysteine) via the kidneys. The plasma half-life of acetylcysteine is approximately 1 hour and is mainly determined by the rapid hepatic biotransformation. Impaired hepatic function therefore leads to prolonged plasma half-lives up of up to 8 hours.
Elimination: Pharmacokinetic studies with intravenous administration of acetylcysteine revealed a distribution volume of 0.47 L/kg (in total) or 0.59 L/kg (reduced); the plasma clearance was determined to be 0.11 L/h/kg (in total) and 0.84 L/h/kg (reduced), respectively.
The elimination half-life after intravenous administration is 30-40 minutes while excretion follows three-phase kinetics (alpha, beta, and terminal gamma phase).
Acetylcysteine crosses the placenta and is detected in cord blood. No information is available regarding excretion into breast milk.
No knowledge is available concerning the behaviour of acetylcysteine at the blood-brain barrier in humans.
Toxicology: Preclinical safety data: Acute toxicity: The acute toxicity in animal experiments is low. For the treatment of overdoses, see Overdosage.
Chronic toxicity: Studies in various animal species (rat, dog) with duration of up to one year did not show any pathological alterations.
Tumorigenic and mutagenic potential: No mutagenic effects of acetylcysteine are to be expected. An in vitro test was negative.
No studies of a tumorigenic potential of acetylcysteine have been carried out.
Reproductive toxicology: No malformations were detected in embryotoxicity studies in rabbits and rats. Studies of fertility and perinatal or postnatal toxicity were negative.
Acetylcysteine passes the placenta in rats and was detected in amniotic fluid. The concentration of the metabolite L-cysteine is above the maternal plasma concentration in placenta and foetus for up to 8 hours after oral administration.
Pharmacology: Pharmacodynamics: Acetylcysteine is a derivative of the amino acid cysteine. The efficacy of acetylcysteine is secretolytic and secretomotoric in the area of the respiratory tract. It is discussed that it splits off the interconnecting disulphide bonds between the mycopolysaccharide chains and that it has depolymerizing effect on DNA-chains (in purulent mucus). Due to these mechanism, the viscosity of mucus should be reduced.
An alternative mechanism of acetylcysteine is meant to be based on the capacity of its reactive SH group to bind chemical radicals and detoxify them in this way.
Furthermore, acetylcysteine contributes to an increase in glutathione synthesis, which is important for the detoxifcation of noxae. This provides the explanation for its antidotal effect in paracetamol intoxication.
Pharmacokinetics: Absorption: Following oral administration, acetylcysteine is rapidly and almost completely absorbed and metabolized in the liver to cysteine, the pharmacologically active metabolite, as well as diacetylcystine, cystine and further mixed disulphides.
Distribution: Due to high first-pass effect, the bioavailability of orally administered acetylcysteine is very low (approx. 10%). In humans, the maximum plasma concentrations are achieved after 1-3 hours with the maximum plasma concentration of the metabolite cysteine in the range of approx. 2 μmol/L. The protein binding of acetylcysteine was determined to be about 50%.
Biotransformation: Acetylcysteine and its metabolites occur in three different forms in the organism: partially in free form, partially bound to proteins via labile disulphide bonds and partially as incorporated amino acid. Acetylcysteine is excreted almost exclusively in the form of inactive metabolites (inorganic sulphates, diacetylcysteine) via the kidneys. The plasma half-life of acetylcysteine is approximately 1 hour and is mainly determined by the rapid hepatic biotransformation. Impaired hepatic function therefore leads to prolonged plasma half-lives up of up to 8 hours.
Elimination: Pharmacokinetic studies with intravenous administration of acetylcysteine revealed a distribution volume of 0.47 L/kg (in total) or 0.59 L/kg (reduced); the plasma clearance was determined to be 0.11 L/h/kg (in total) and 0.84 L/h/kg (reduced), respectively.
The elimination half-life after intravenous administration is 30-40 minutes while excretion follows three-phase kinetics (alpha, beta, and terminal gamma phase).
Acetylcysteine crosses the placenta and is detected in cord blood. No information is available regarding excretion into breast milk.
No knowledge is available concerning the behaviour of acetylcysteine at the blood-brain barrier in humans.
Toxicology: Preclinical safety data: Acute toxicity: The acute toxicity in animal experiments is low. For the treatment of overdoses, see Overdosage.
Chronic toxicity: Studies in various animal species (rat, dog) with duration of up to one year did not show any pathological alterations.
Tumorigenic and mutagenic potential: No mutagenic effects of acetylcysteine are to be expected. An in vitro test was negative.
No studies of a tumorigenic potential of acetylcysteine have been carried out.
Reproductive toxicology: No malformations were detected in embryotoxicity studies in rabbits and rats. Studies of fertility and perinatal or postnatal toxicity were negative.
Acetylcysteine passes the placenta in rats and was detected in amniotic fluid. The concentration of the metabolite L-cysteine is above the maternal plasma concentration in placenta and foetus for up to 8 hours after oral administration.
MedsGo Class
Cough & Cold Preparations
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