Bardzo tanie apteki z dostawą w całej Polsce kupic levitra i ogromny wybór pigułek.

Summary of product characteristics

SUMMARY OF PRODUCT CHARACTERISTICS
NAME OF THE MEDICINAL PRODUCT
QUALITATIVE AND QUANTITATIVE COMPOSITION

Each Periactin tablet contains cyproheptadine hydrochloride equivalent to 4
mg anhydrous cyproheptadine hydrochloride.
PHARMACEUTICAL FORM

White round bevelled edged tablet with a scoreline on one side and marked
‘MSD 62’ on the other.
CLINICAL PARTICULARS

Therapeutic indications
'Periactin' is a serotonin and histamine antagonist with anticholinergic and sedative properties. In allergy and pruritus: 'Periactin' has a wide range of anti allergic and antipruritic activity, and can be used successfully in the treatment of acute and chronic allergic and pruritic conditions, such as dermatitis, including neurodermatitis and neurodermatitis circumscripta; eczema; eczematoid dermatitis; dermatographism; mild, local allergic reactions to insect bites; hay fever and other seasonal rhinitis; perennial allergic and vasomotor rhinitis; allergic conjunctivitis due to inhalant allergens and foods; urticaria; angioneurotic oedema; drug and serum reactions; anogenital pruritus; pruritus of chicken pox. 'Periactin' is indicated as adjunctive therapy to adrenaline and other standard measures for the relief of anaphylactic reactions after the acute manifestations have been controlled. In migraine and vascular headache: 'Periactin' has been reported to have beneficial effects in a significant number of patients having vascular types of headache. Many patients who have responded inadequately to all other agents have reported amelioration of symptoms with 'Periactin'. The characteristic headache and feeling of malaise may disappear within an hour or two of the first dose. Posology and method of administration

Route of administration: oral.

There is no recommended dosage for children under 2 years old. 'Periactin' is
not recommended for elderly, debilitated patients.
For the treatment of allergy and pruritus:

Dosage must be determined on an individual basis. The effect of a single dose
usually lasts for four to six hours. For continuous effective relief, the daily
requirement should be given in divided doses, usually three times a day, or as
often as necessary, to provide continuous relief.

Adults: The therapeutic range is 4-20 mg (1 to 5 tablets) a day, most patients
requiring 12-16 mg a day. It is recommended that dosage be initiated with 4
mg three times a day and then adjusted according to the weight and response
of the patient up to a maximum of 32 mg a day.
Children aged 7-14 years: Usually 4 mg two or three times a day, according
to the patient's weight and response. If an additional dose is required, it should
be given at bedtime. Maximum 16 mg a day.
Children aged 2-6 years: Initially 2 mg two or three times a day, adjusted
according to the patient's weight and response. If an additional dose is
required, it should be given at bedtime. Maximum 12 mg a day.
For treatment of vascular headache and migraine
For both prophylactic and therapeutic use, an initial dose of 4 mg, repeated if
necessary after half an hour. Patients who respond usually obtain relief with 8
mg, and this dose should not be exceeded within a 4- to 6-hour period.
Maintenance: 4 mg every four to six hours.
Use in the elderly: 'Periactin' should not be used in elderly, debilitated
patients. Elderly patients are more likely to experience dizziness, sedation,
and hypotension.
Contraindications
‘Periactin’ is contraindicated in:

• patients undergoing therapy for an acute asthmatic attack; • newborn or premature infants; use in infants has been associated with apnoea, cyanosis and respiratory difficulty • patients with known sensitivity to cyproheptadine hydrochloride or • concurrent use with monoamine oxidase inhibitors; • patients with pyloroduodenal obstruction, stenosing peptic ulcer, symptomatic prostatic hypertrophy, predisposition to urinary retention or bladder neck obstruction; Special warnings and precautions for use
Antihistamines should not be used to treat lower respiratory tract symptoms, including those of acute asthma. The safety and efficacy of ‘Periactin’ is not established in children under 2 years old. Overdosage of antihistamines, particularly in infants and children, may produce hallucinations, central nervous system depression, convulsions, respiratory and cardiac arrest, and death. Antihistamines may diminish mental alertness; conversely, particularly in the young child, they may occasionally produce excitation. Patients should be warned against engaging in activities requiring motor co-ordination and mental alertness, such as driving a car or operating machinery (see section 4.7 ‘Effects on ability to drive and use machines’). Rarely, prolonged therapy with antihistamines may cause blood dyscrasias. Because ‘Periactin’ has an atropine-like action, it should be used cautiously in patients with a history of bronchial asthma, increased intra-ocular pressure, hyperthyroidism, cardiovascular disease, or hypertension. Excipients Patients with rare hereditary problems of galactose intolerance, the Lapp lastase deficiency or glucose-galactose malabsorption should not take this medicine. Interaction with other medicinal products and other forms of interaction
MAO inhibitors prolong and intensify the anticholinergic effects of antihistamines. Antihistamines may have additive effects with alcohol and other CNS depressants, e.g. hypnotics, sedatives, tranquillisers and anti-anxiety agents. Drugs with anti-serotonin activity, such as cyproheptadine, may interfere with serotonin-enhancing anti-depressants including selective serotonin re-uptake inhibitors (SSRI's). This may result in possible recurrence of depression and related symptoms. Cyproheptadine may cause a false positive test result for tricyclic antidepressant drugs (TCA) when evaluating a drug screen (e.g. urine, serum). Because cyproheptadine and TCAs may produce similar overdose symptoms, physicians should carefully monitor patients for TCA toxicity in the event of combined overdose. Pregnancy and lactation
The use of any drug in pregnancy or in women of child-bearing age requires that the potential benefit of the drug should be weighed against possible hazards to the embryo and fetus. It is not known whether 'Periactin' is excreted in human milk, and because of the potential for serious adverse reactions in breast-feeding infants from 'Periactin', a decision should be made whether to discontinue breast-feeding or to discontinue the drug, taking into account the importance of the drug to the mother (see Section 4.3 'Contra-indications'). Effects on ability to drive and use machines
This product may cause drowsiness and somnolence. Patients receiving it should not drive or operate machinery unless it has been shown that their physical and mental capacity remains unaffected Undesirable effects
The side effects that appear frequently are drowsiness and somnolence. Many patients who initially complain of drowsiness may no longer do so after the first three to four days of continuous administration.
Side effects reported with antihistamines are:
Blood and lymphatic system disorders:
Haemolytic anaemia, leucopenia, agranulocytosis, thrombocytopenia
Immune system disorders:
Allergic manifestation of rash and oedema, anaphylactic shock
Metabolism and nutrition disorders:
Anorexia, increased appetite
Psychiatric disorders:
Confusion, restlessness, excitation, irritability, nervousness, insomnia,
aggressive behaviour, hallucinations, hysteria and euphoria
Nervous system disorders:
Sedation, sleepiness (often transient), dizziness, disturbed coordination,
tremor, paraesthesiae, neuritis, convulsions, faintness, headache
Eye disorders:
Blurred vision, diplopia
Ear and labyrinth disorders:
Acute labyrinthitis, tinnitus, vertigo
Cardiac disorders:
Palpitation, tachycardia, extrasystoles
Vascular disorders:
Hypotension
Respiratory, thoracic and mediastinal disorders:
Thickening of bronchial secretions, dryness of nose and throat, tightness of
chest and wheezing, nasal stuffiness, epistaxis
Gastrointestinal disorder:
Dryness of mouth, epigastric distress, nausea, vomiting, diarrhoea,
constipation
Hepato-biliary disorders:
Cholestasis, hepatic failure, hepatitis, hepatic function abnormality,
jaundices
Skin and subcutaneous tissue disorders:
Urticaria, photosensitivity, excessive perspiration
Renal and urinary disorders:
Frequency and difficulty of micturition, urinary retention
Reproductive system and breast disorders:
Early menses
General disorders and administration site conditions:
Fatigue, rigors
Investigations:
Weight gain
Overdose
Antihistamine overdosage reactions may vary from CNS depression or stimulation to convulsions respiratory and cardiac arrest and death, especially in infants and children. Atropine-like and gastro-intestinal symptoms may occur. If vomiting has not occurred spontaneously, it should be induced in the conscious patient with syrup of ipecac. If the patient cannot vomit, gastric lavage with isotonic or half isotonic saline is indicated, followed by activated charcoal. Precautions against aspiration must be taken, especially in infants and children. Life-threatening CNS signs and symptoms should be treated appropriately. Saline cathartics usefully draw water into the bowel by osmosis to dilute bowel content rapidly. Central stimulants must not be used, but vasopressors may be used to counteract hypotension. PHARMACOLOGICAL PROPERTIES

Pharmacodynamic properties
Cyproheptadine hydrochloride is a serotonin and histamine antagonist with anticholinergic and sedative effects. Antiserotonin and antihistamine drugs appear to compete with serotonin and histamine, respectively, for receptor sites. Cyproheptadine hydrochloride antagonises the following effects of serotonin in laboratory animals: Bronchoconstrictor (guinea-pig) Vasopressor (dog) Spasmogenic (isolated rat uterus) Oedema (rat) Lethal (hemophilus petussis-treated mouse) In these effects it equals or surpasses the activity of many of the activities of specific serotonin antagonists, such as 1-Benzyl-2-methyl-5-methoxy-tryptame (BAS) and 1-Benzyl-2-methyl-5-hydroxy-tryptamine (BMS), in contrast, specific anti-histamines, even the most potent, show little or no serotonin antagonism. Cyproheptadine hydrochloride antagonises or blocks the following effects of histamine in laboratory animals: Bronchoconstrictor (guinea-pig) Vasopressor (dog) Spasmogenic (isolated rat uterus) Anaphylactic shock, active and passive (guinea-pig and mouse) Increased gastric secretion (Heidenhain pouch dog) It is unusual that cyproheptadine hydrochloride protects both the guinea-pigs and mice against anaphylactic shock. In guinea-pigs, the pulmonary aspects of anaphylactic shock are attributable to the release of endogenous histamine and can be controlled by substances with specific anti-histamine activity. In mice however, where histamine release seems to be less important and serotonin release may be involved, specific anti-histamines are of little value in protecting against anaphylaxis. Thus, the protective effect of cyproheptadine hydrochloride in mice may be an anti-serotonin effect. The inhibitory effect of cyproheptadine in histamine-induced gastric secretion is also unusual as specific anti-histamines do not influence this effect. Cyproheptadine has appetite stimulation properties in laboratory animals. Pharmacokinetic properties
C-labelled cyproheptadine hydrochloride in normal subjects given as tablets or syrup, 2 to 20% of the radioactivity was excreted in the stools. Only about 34% of the stool radioactivity was unchanged drug, corresponding to less than 5.7% of the dose. At lease 40% of the administered radioactivity was excreted in the urine. No significant difference in the mean urinary excretion exists between the tablet and syrup formulations. No detectable amounts of unchanged drug were present in the urine of patients on chronic 12-20 mg daily doses of Periactin syrup. The principle metabolite found in human urine has been identified as a quaternary ammonium glucuronide conjugate of cyproheptadine. Elimination is diminished in renal insufficiency. Preclinical safety data
PHARMACEUTICAL PARTICULARS

List of excipients
‘Periactin’ tablets contain the following inactive ingredients: calcium hydrogen phosphate E341, lactose, magnesium stearate E572, potato starch and pregelatinised maize starch. Incompatibilities
Shelf life
Special precautions for storage
Do not store above 25°C. Store in the original container. Nature and contents of container
30 tablets in opaque PVC blisters with hard-temper aluminium lidding. Special precautions for disposal
MARKETING AUTHORISATION HOLDER
Auden Mckenzie (Pharma Divison) Limited
Mckenzie house
Bury Street
Ruislip
Middlesex
Ha4 7TL
MARKETING AUTHORISATION NUMBER(S)
DATE OF FIRST AUTHORISATION/RENEWAL OF THE
AUTHORISATION

Licence granted : 3rd October 1990 Last renewed: 7th May 1996 DATE OF REVISION OF THE TEXT
DOSIMETRY (IF APPLICABLE)

INSTRUCTIONS FOR PREPARATION OF
RADIOPHARMACEUTICALS (IF APPLICABLE)

Source: http://www.audenmckenzie.com/Periactin4mgTabletsSmPC020211.pdf

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