Friday, 23 September 2016

Pirinase Hayfever 0.05% Nasal Spray





1. Name Of The Medicinal Product



Flixonase Allergy Nasal Spray



Pirinase Hayfever 0.05% Nasal Spray


2. Qualitative And Quantitative Composition



Aqueous suspension of 0.05% micronised fluticasone propionate. Each actuation contains 50 micrograms of fluticasone propionate.



For full list of excipients see section 6.1.



3. Pharmaceutical Form



Nasal spray, suspension.



4. Clinical Particulars



4.1 Therapeutic Indications



For the prophylaxis and treatment of allergic rhinitis including hay fever and that caused by other airborne allergens such as house dust mite and animal dander.



This medicine also provides symptomatic relief of sneezing, itchy and runny nose, itchy and watery eyes, nasal congestion and associated sinus discomfort.



4.2 Posology And Method Of Administration



For administration by the intranasal route only.



Adults aged 18 years and over: For the prophylaxis and treatment of allergic rhinitis: -



Two sprays into each nostril once a day, preferably in the morning. In some cases two sprays into each nostril twice daily may be required. Once symptoms are under control a maintenance dose of one spray per nostril once a day may be used. If symptoms recur the dosage may be increased accordingly. The minimum dose at which effective control of symptoms is maintained should be used.



The maximum daily dose should not exceed four sprays into each nostril.



Elderly:-



The normal adult dosage is applicable.



Children under 18 years of age: Should not be used by children and adolescents under 18 years of age.



Prophylaxis of allergic rhinitis requires treatment before contact with allergen. For full therapeutic benefit regular usage is recommended.



Maximum benefit may require 3-4 days of continuous treatment in some people (see section 5.1, Pharmacodynamic Properties).



Shake gently before use.



Before use the bottle needs to be primed by pumping until a fine spray is produced.



4.3 Contraindications



Hypersensitivity to fluticasone propionate or any other of the ingredients.



4.4 Special Warnings And Precautions For Use



Treatment should be stopped or the advice of a doctor sought if an improvement is not seen within 7 days. The advice of a doctor or pharmacist should also be sought if symptoms have improved but are not adequately controlled.



This medicine should not be used for more than 3 months continuously without consulting a doctor.



Medical advice should be sought before using this medicine in the case of;



• concomitant use of other corticosteroid products, such as tablets, creams, ointments, asthma medications, similar nasal sprays or eye/nose drops



• an infection in the nasal passages or sinuses.



• recent injury or surgery to the nose, or problems with ulceration in the nose.



Treatment with higher than recommended doses of nasal corticosteroids may result in clinically significant adrenal suppression. If there is evidence of higher than recommended doses being used then additional systemic corticosteroid cover should be considered during periods of stress or elective surgery.



Significant interactions between fluticasone propionate and potent inhibitors of the cytochrome P450 3A4 system, e.g. ketoconazole and protease inhibitors, such as ritonavir, may occur. This may result in increased systemic exposure to fluticasone propionate.



Systemic effects of nasal corticosteroids may occur, particularly at high doses prescribed for prolonged periods. These effects are much less likely to occur than with oral corticosteroids and may vary in individual patients and between different corticosteroid preparations. Potential systemic effects may include Cushing's syndrome, Cushingoid features, adrenal suppression, growth retardation in children and adolescents, cataract, glaucoma and more rarely, a range of psychological or behavioural effects including psychomotor hyperactivity, sleep disorders, anxiety, depression or aggression (particularly in children).



4.5 Interaction With Other Medicinal Products And Other Forms Of Interaction



Under normal circumstances, low plasma concentrations of fluticasone propionate are achieved after intranasal dosing, due to extensive first pass metabolism and high systemic clearance mediated by cytochrome P450 3A4 in the gut and liver. Hence, clinically significant drug interactions mediated by fluticasone propionate are unlikely.



In an interaction study in healthy subjects with intranasal fluticasone propionate, ritonavir (a highly potent cytochrome P450 3A4 inhibitor) 100 mg b.i.d. increased the fluticasone propionate plasma concentrations several hundred fold, resulting in markedly reduced serum cortisol concentrations. Cases of Cushing's syndrome and adrenal suppression have been reported. The combination should be avoided unless the benefit outweighs the increased risk of systemic glucocorticoid side-effects.



Other inhibitors of cytochrome P450 3A4 produce negligible (erythromycin) and minor (ketoconazole) increases in systemic exposure to fluticasone propionate without notable reductions in serum cortisol concentrations. Care is advised when co-administering cytochrome P450 3A4 inhibitors, especially in long-term use and in case of potent inhibitors, as there is potential for increased systemic exposure to fluticasone propionate.



4.6 Pregnancy And Lactation



There is inadequate evidence of the safety of fluticasone propionate in human pregnancy. Administration of corticosteroids to pregnant animals can cause abnormalities of foetal development, including cleft palate and intra-uterine growth retardation. There may therefore be a very small risk of such effects in the human foetus. It should be noted however that the foetal changes in animals occur after relatively high systemic exposure; direct intranasal application ensures minimal systemic exposure. As with other drugs the use of this medicine during human pregnancy requires that the possible benefits of the drug be weighed against the possible hazards.



The secretion of fluticasone propionate in human breast milk has not been investigated. Subcutaneous administration of fluticasone propionate to lactating laboratory rats produced measurable plasma levels and evidence of fluticasone propionate in milk. However, following intranasal administration to primates, no drug was detected in the plasma, and it is therefore unlikely that the drug would be detectable in milk. When this medicine is used in breast feeding mothers the therapeutic benefits must be weighed against the potential hazards to mother and baby.



The label will include a warning that medical opinion should be sought, before using this medicine, in the case of pregnancy or breast feeding.



4.7 Effects On Ability To Drive And Use Machines



None reported.



4.8 Undesirable Effects



Adverse events are listed below by system organ class and frequency. Frequencies are defined as: very common (>1/10), common (>1/100 and <1/10), uncommon (>1/1000 and <1/100), rare (>1/10,000 and <1/1000) and very rare (<1/10,000) including isolated reports. Very common, common and uncommon events were generally determined from clinical trial data. Rare and very rare events were generally determined from spontaneous data. In assigning adverse event frequencies, the background rates in placebo groups were not taken into account.

























System Organ Class




Adverse Event




Frequency




Immune system disorders




Hypersensitivity reactions, anaphylaxis/anaphylactic reactions, bronchospasm, skin rash, oedema of the face or tongue




Very rare




Nervous system, disorders




Headache, unpleasant taste, unpleasant smell




Common




Eye disorders




Glaucoma, raised intraocular pressure, cataract




Very rare




Respiratory, thoracic and mediastinal disorders




Epistaxis




Very common




Nasal dryness, nasal irritation, throat dryness, throat irritation




Common


 


Nasal septal perforation




Very rare


 


As with other nasal sprays, dryness and irritation of the nose and throat, unpleasant taste and smell, headache and epistaxis have been reported.



Nasal ulceration and nasal septal perforation have been reported following the use of intranasal corticosteroids, usually when there has been previous nasal surgery.



4.9 Overdose



There are no data available on the effects of acute or chronic overdosage with this medicine. Intranasal administration of fluticasone propionate at 20 times the recommended starting dose in adults (2mg twice daily) for seven days to healthy human volunteers had no effect on hypothalamic-pituitary-adrenal axis function.



5. Pharmacological Properties



5.1 Pharmacodynamic Properties



Fluticasone propionate is a glucocorticosteroid which has potent anti-inflammatory activity by acting via the glucocorticoid receptor. However, when used at up to four times the recommended daily dose on the nasal mucosa, has no detectable systemic activity and causes little or no hypothalamic pituitary adrenal (HPA) axis suppression. Following intranasal dosing of fluticasone propionate, (200 micrograms/day) no significant change in 24h serum cortisol AUC was found compared to placebo (ratio 1.01, 90%CI 0.9-1.14).



Fluticasone propionate has been shown to reduce inflammatory mediators in both the early and late phase reactions of allergic rhinitis.



Once daily dosing with 200μg fluticasone propionate is sufficient to help relieve symptoms (particularly nasal congestion) for up to 24 hours.



5.2 Pharmacokinetic Properties



Absorption: Following intranasal dosing of fluticasone propionate, (200 micrograms/day) steady-state maximum plasma concentrations were not quantifiable in most subjects (<0.01ng/mL). The highest Cmax observed was 0.017ng/mL. Direct absorption in the nose is negligible due to the low aqueous solubility with the majority of the dose being eventually swallowed. When administered orally the systemic exposure is <1% due to poor absorption and pre-systemic metabolism. The total systemic absorption arising from both nasal and oral absorption of the swallowed dose is therefore negligible.



Distribution: Fluticasone propionate has a large volume of distribution at steady-state (approximately 318L). Plasma protein binding is moderately high (91%).



Metabolism: Fluticasone propionate is cleared rapidly from the systemic circulation, principally by hepatic metabolism to an inactive carboxylic acid metabolite, by the cytochrome P450 enzyme CYP3A4. Swallowed fluticasone propionate is also subject to extensive first pass metabolism. Care should be taken when co-administering potent CYP3A4 inhibitors such as ketoconazole and ritonavir as there is potential for increased systemic exposure to fluticasone propionate.



Elimination: The elimination rate of intravenous administered fluticasone propionate is linear over the 250-1000 micrograms dose range and are characterized by a high plasma clearance (CL=1.1L/min). Peak plasma concentrations are reduced by approximately 98% within 3-4 hours and only low plasma concentrations were associated with the 7.8h terminal half-life. The renal clearance of fluticasone propionate is negligible (<0.2%) and less than 5% as the carboxylic acid metabolite. The major route of elimination is the excretion of fluticasone propionate and its metabolites in the bile.



5.3 Preclinical Safety Data



There are no preclinical data of relevance to the prescriber which are additional to that already included in the other sections of the SPC.



6. Pharmaceutical Particulars



6.1 List Of Excipients



Dextrose (anhydrous)



Microcrystalline cellulose



Carboxymethylcellulose sodium



Phenylethyl alcohol



Benzalkonium chloride



Polysorbate 80



Purified water



Dilute hydrochloric acid



6.2 Incompatibilities



None reported



6.3 Shelf Life



36 months



6.4 Special Precautions For Storage



Do not store above 30°C.



6.5 Nature And Contents Of Container



An amber glass bottle fitted with a metering pump and a nasal applicator.



Each bottle provides approximately 60 metered sprays.



6.6 Special Precautions For Disposal And Other Handling



No special instructions.



7. Marketing Authorisation Holder



Beecham Group Plc



980 Great West Road



Brentford



Middlesex



TW8 9GS



Trading as



GlaxoSmithKline Consumer Healthcare, Brentford, TW8 9GS, U.K.



8. Marketing Authorisation Number(S)



PL 00079/0616



9. Date Of First Authorisation/Renewal Of The Authorisation



15/09/1995 / 22/01/2010



10. Date Of Revision Of The Text



05/10/2011




Thursday, 22 September 2016

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Tuesday, 20 September 2016

Dy-G


Generic Name: dyphylline and guaifenesin (DYE fil in and gwye FEN e sin)

Brand Names: COPD, Difil G, Difil-G Forte, Dilex-G, Dilex-G 200, Dy-G, Dyflex-G, Dyphyllin-GG, Dyphylline GG, Dyphylline GG ES, Jay-Phyl, Lufyllin-GG, Panfil G


What is Dy-G (dyphylline and guaifenesin)?

Dyphylline is a bronchodilator. It works by relaxing muscles in the airways to improve breathing.


Guaifenesin is an expectorant. It helps loosen congestion in your chest and throat, making it easier to cough out through your mouth.


The combination of dyphylline and guaifenesin is used to treat cough and breathing problems caused by bronchial asthma, chronic bronchitis, or emphysema. This medication is not a cure for asthma, bronchitis, or emphysema.


Dyphylline and guaifenesin may also be used for purposes not listed in this medication guide.


What is the most important information I should know about dyphylline and Dy-G (dyphylline and guaifenesin)?


You should not use this medicine if you are allergic to dyphylline or guaifenesin. This medication will not treat an asthma attack.

Before taking this medication, tell your doctor if you have heart disease or a history of heart attack, high blood pressure, overactive thyroid, or a stomach ulcer.


Do not give this medication to a child younger than 4 years old. Always ask a doctor before giving a cough or cold medicine to a child. Death can occur from the misuse of cough and cold medicines in very young children. Drink extra fluids to help loosen the congestion and lubricate your throat while you are taking this medication. Ask a doctor or pharmacist before using any other cough or cold medicine. Guaifenesin is contained in many combination medicines. Taking certain products together can cause you to get too much guaifenesin. Check the label to see if a medicine contains guaifenesin.

What should I discuss with my healthcare provider before taking Dy-G (dyphylline and guaifenesin)?


You should not use this medicine if you are allergic to dyphylline or guaifenesin. This medication will not treat an asthma attack.

To make sure you can safely take this medication, tell your doctor if you have any of these other conditions:



  • heart disease or a history of heart attack;




  • high blood pressure;




  • overactive thyroid; or




  • a stomach ulcer.




FDA pregnancy category C. It is not known whether dyphylline and guaifenesin will harm an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant while using this medication. Dyphylline and guaifenesin can pass into breast milk and may harm a nursing baby. Do not use this medication without telling your doctor if you are breast-feeding a baby.

How should I take Dy-G (dyphylline and guaifenesin)?


Take exactly as prescribed by your doctor. Do not take in larger or smaller amounts or for longer than recommended. Follow the directions on your prescription label.


Do not give this medication to a child younger than 4 years old. Always ask a doctor before giving a cough or cold medicine to a child. Death can occur from the misuse of cough and cold medicines in very young children. Drink extra fluids to help loosen the congestion and lubricate your throat while you are taking this medication. Take dyphylline and guaifenesin with food if it upsets your stomach.

Measure liquid medicine with a special dose-measuring spoon or medicine cup, not with a regular table spoon. If you do not have a dose-measuring device, ask your pharmacist for one.


This medication can cause unusual results with certain medical tests. Tell any doctor who treats you that you are using dyphylline and guaifenesin.


Store at room temperature away from moisture, heat, and light.

What happens if I miss a dose?


Take the missed dose as soon as you remember. Skip the missed dose if it is almost time for your next scheduled dose. Do not take extra medicine to make up the missed dose.


What happens if I overdose?


Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.

Overdose symptoms may include nausea, vomiting, diarrhea, thirst, sweating, fast or slow heart rate, ringing in your ears, feeling anxious or irritable, and seizure (convulsions).


What should I avoid while taking Dy-G (dyphylline and guaifenesin)?


Ask a doctor or pharmacist before using any other cough or cold medicine. Guaifenesin is contained in many combination medicines. Taking certain products together can cause you to get too much guaifenesin. Check the label to see if a medicine contains guaifenesin.

Dy-G (dyphylline and guaifenesin) side effects


Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat. Call your doctor at once if you have a serious side effect such as:

  • fast, pounding, or uneven heartbeats;




  • rapid breathing;




  • muscle twitching;




  • feeling like you might pass out;




  • seizure (convulsions); or




  • extreme thirst with headache, nausea, vomiting, and weakness.



Less serious side effects may include:



  • headache;




  • mild nausea, vomiting, or stomach pain;




  • feeling restless, agitated, or irritable;




  • sleep problems (insomnia); or




  • warmth, redness, or tingly feeling under your skin.



This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.


What other drugs will affect dyphylline and guaifenesin ?


Tell your doctor about all other medicines you use, especially:



  • probenecid (Benemid);




  • aminophylline (Phyllocontin, Truphylline); or




  • theophylline (Elixophyllin, Theo-24, Uniphyl).



This list is not complete and other drugs may interact with dyphylline and guaifenesin. Tell your doctor about all medications you use. This includes prescription, over-the-counter, vitamin, and herbal products. Do not start a new medication without telling your doctor.



More Dy-G resources


  • Dy-G Side Effects (in more detail)
  • Dy-G Use in Pregnancy & Breastfeeding
  • Dy-G Drug Interactions
  • Dy-G Support Group
  • 0 Reviews for Dy-G - Add your own review/rating


  • COPD MedFacts Consumer Leaflet (Wolters Kluwer)

  • Dilex-G Liquid MedFacts Consumer Leaflet (Wolters Kluwer)



Compare Dy-G with other medications


  • Asthma
  • Bronchitis


Where can I get more information?


  • Your pharmacist can provide more information about dyphylline and guaifenesin.

See also: Dy-G side effects (in more detail)


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