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DISTACLOR is a brand name for Cefaclor. The medicine, its uses, side effects and dosage are the same regardless of brand.
Used for: Distaclor is indicated for the treatment of the following infections due to susceptible micro-organisms: Respiratory tract infections, including pneumonia, bronchitis, exacerbations of chronic bronchitis, pharyngitis and tonsillitis, and as part of the management of sinusitis Otitis media Skin and soft tissue…
Verbatim from this product's MHRA label. Tap a section to expand.
Posology Paediatric population:
The usual recommended daily dosage for children is 20mg/kg/day in divided doses every eight hours, as indicated. For bronchitis and pneumonia, the dosage is 20mg/kg/day in divided doses administered 3 times daily. For otitis media and pharyngitis, the total daily dosage may be divided and administered every 12 hours.
Safety and efficacy have not been established for use in infants aged less than one month. 0ml tid In more serious infections, otitis media, sinusitis and infections caused by less susceptible organisms, 40mg/kg/day in divided doses is recommended, up to a daily maximum of 1g.
In the treatment of beta-haemolytic streptococcal infections, therapy should be continued for at least 10 days. 6.
Adults:
The usual adult dosage is 250mg every eight hours. For more severe infections or those caused by less susceptible organisms, doses may be doubled. Doses of 4g per day have been administered safely to normal subjects for 28 days, but the total daily dosage should not exceed this amount.
Distaclor may be administered in the presence of impaired renal function. 4. ‘Special warnings and precautions for use’). Patients undergoing haemodialysis. Haemodialysis shortens serum half-life by 25- 30%. In patients undergoing regular haemodialysis, a loading dose of 250mg-lg administered prior to dialysis and a therapeutic dose of 250-500mg every six to eight hours maintained during interdialytic periods is recommended.
The elderly:
As for adults. Method of administration Distaclor is administered orally.
Gastro-intestinal:
The most frequent side-effect has been diarrhoea. It is rarely severe enough to warrant cessation of therapy. Colitis, including rare instances of pseudomembranous colitis, has been reported. Nausea and vomiting have also occurred.
Hypersensitivity:
Allergic reactions such as morbilliform eruptions, pruritus and urticaria have been observed. These reactions usually subside upon discontinuation of therapy. Serum sickness-like reactions (erythema multiforme minor, rashes or other skin manifestations accompanied by arthritis/arthralgia, with or without fever) have been reported.
Lymphadenopathy and proteinuria are infrequent, there are no circulating immune complexes and no evidence of sequelae. Occasionally, solitary symptoms may occur, but do not represent a serum sickness- like reaction. Serum sickness-like reactions are apparently due to hypersensitivity and have usually occurred during or following a second (or subsequent) course of therapy with cefaclor.
Such reactions have been reported more frequently in children than in adults. Signs and symptoms usually occur a few days after initiation of therapy and usually subside within a few days of cessation of therapy. Antihistamines and corticosteroids appear to enhance resolution of the syndrome.
No serious sequelae have been reported. There are rare reports of erythema multiforme major (Stevens-Johnson syndrome), toxic epidermal necrolysis, and anaphylaxis. Anaphylaxis may be more common in patients with a history of penicillin allergy.
Anaphylactoid events may present as solitary symptoms, including angioedema, asthenia, oedema (including face and limbs), dyspnoea, paraesthesias, syncope, or vasodilatation. Rarely, hypersensitivity symptoms may persist for several months.
Warnings Before instituting therapy with cefaclor, every effort should be made to determine whether the patient has had previous hypersensitivity reactions to cefaclor, cephalosporins, penicillins or other drugs. Cefaclor should be given cautiously to penicillin-sensitive patients, because cross-hypersensitivity, including anaphylaxis, among beta-lactam antibiotics has been clearly documented.
Patients with rare hereditary problems of fructose intolerance, glucose-galactose malabsorption or sucrose – isomaltase insufficiency should not take this medicine. If an allergic reaction to cefaclor occurs, the drug should be discontinued and the patient treated with the appropriate agents.
Pseudomembranous colitis has been reported with virtually all broad-spectrum antibiotics, including macrolides, semi-synthetic penicillins and cephalosporins. It is important, therefore, to consider its diagnosisin patients who develop diarrhoea in association with the use of antibiotics.
Such colitis may range in severity from mild to life-threatening. Mild cases usually respond to drug discontinuance alone. In moderate to severe cases, appropriate measures should be taken. Precautions Reports of neurotoxicity have been identified in association with cephalosporin treatment.
Symptoms may include encephalopathy, myoclonus and seizures. Elderly patients, patients with severe renal impairment or central nervous system disorders are particularly at risk. Cefaclor should be administered with caution in the presence of markedly impaired renal function.
9 hours in normal subjects), dosage adjustments for patients with moderate or severe renal impairment are not usually required. Clinical experience with cefaclor under such conditions is limited; therefore, careful clinical observation and laboratory studies should be made.
If cefaclor associated neurotoxicity is suspected, discontinuation of cefaclor should be considered. Broad-spectrum antibiotics should be prescribed with caution in individuals with a history of gastro- intestinal disease, particularly colitis.
1.
Not medical advice. Always read the patient information leaflet and follow your prescriber or pharmacist.
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Haematological:
Eosinophilia, positive Coombs’ tests and, rarely, thrombocytopenia. Transient lymphocytosis, leucopenia and, rarely, haemolytic anaemia, aplastic anaemia, agranulocytosis and reversible neutropenia of possible clinical significance.
5 ‘Interactions with other medicinal products and other forms of interaction’.
Hepatic:
Transient hepatitis and cholestatic jaundice have been reported rarely, slight elevations in AST, ALT or alkaline phosphatase values.
Renal:
Reversible interstitial nephritis has occurred rarely, also slight elevations in blood urea or serum creatinine or abnormal urinalysis.
Central Nervous System:
Reversible hyperactivity, agitation, nervousness, insomnia, confusion, hypertonia, dizziness, hallucinations and somnolence have been reported rarely. There have been reports of neurological sequelae including tremor, myoclonia, convulsions, encephalopathy with drugs belonging to the class of cephalosporins.
Most cases occurred in patients with renal impairment who received doses that exceeded the recommended dose and resolved following discontinuation of treatment.
Miscellaneous:
Genital pruritus, vaginitis and vaginal moniliasis. Reporting of suspected adverse reactions Reporting suspected adverse reactions after authorisation of the medicinal product is important. It allows continues monitoring of the benefit/risk balance of the medicinal product.
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Prolonged use of cefaclor may result in the overgrowth of non-susceptible organisms. If superinfection occurs during therapy, appropriate measures should be taken. Positive direct Coombs’ tests have been reported during treatment with the cephalosporin antibiotics.
In haematological studies or in transfusion cross- matching procedures, when anti-globulin tests are performed on the minor side, or in Coombs’ testing of newborns whose mothers have received cephalosporin antibiotics before parturition, it should be recognised that a positive Coombs’ test may be due to the drug.
A false positive reaction for glucose in the urine may occur with Benedict's or Fehling's solutions or with copper sulphate test tablets. This medicinal product contains less than 1 mmol sodium (23 mg) per 5 ml, that is to say essentially ‘sodium-free’