Item Number: PHARMASOL
Pharmasin 200mg/ml solution for injection 100ml.
Cattle and pigs.
Indications for use
Infections caused by microorganisms susceptible to tylosin.
- Treatment of respiratory infections, metritis caused by Gram-positive micro-organisms, mastitis caused by Streptococcus spp., Staphylococcus spp., or Mycoplasma and interdigital necrobacillosis caused by Fusobacterium necrophorum i.e. panaritum or foot rot
- Treatment of respiratory infections and necrobacillosis (calf diphtheria caused by Fusobacterium necrophorum).
- Treatment of enzootic pneumonia caused by Mycoplasma hyopneumoniae, haemorrhagic enteritis (Porcine proliferative haemorrhagic enteropathy due to Lawsonia intracellularis), erysipelas caused by Erysipelothrix rhusiopathiae and metritis.
- Treatment of arthritis caused by Mycoplasma and Staphylococcus spp.
Do not administer to chickens or turkeys in which intramuscular injection may be fatal.
Do not administer to horses or other equines in which injection of tylosin may be fatal. Do not administer to animals with known hypersensitivity to tylosin, other macrolides or any of the excipients.
Special warnings (for each target species)
Special precautions for use in animals
Use of the product should be based on susceptibility testing of the bacteria isolated from the animal. If this is not possible, therapy should be based on local (regional, farm level) epidemiological information about susceptibility of the target bacteria.
Use of the product deviating from the instructions given in the SPC may increase the prevalence of bacteria resistant to tylosin and may decrease the effectiveness of treatment with other macrolide antibiotics due to the potential for cross resistance.
For administration by the intramuscular route only. Use different injection sites for repeated injections.
Special precautions to be taken by the person administering the veterinary medicinal product to animals
Care should be taken to avoid accidental self-injection.
If accidental self-injection occurs, seek medical attention immediately.
In the event of accidental skin contact, wash thoroughly with soap and water. In case of accidental eye contact, flush the eyes with plenty of clean, running water.
Wash hands after use.
Tylosin may induce irritation. Macrolides, such as tylosin, may also cause hypersensitivity (allergy) following injection, inhalation, ingestion or contact with skin or eye. Hypersensitivity to tylosin may lead to cross reactions to other macrolides and vice versa. Allergic reactions to these substances may occasionally be serious and therefore direct contact should be avoided.
Do not handle the product if you are allergic to ingredients in the product.
If you develop symptoms following exposure, such as skin rash, you should seek medical advice and show the physician this warning. Swelling of the face, lips and eyes or difficulty in breathing are more serious symptoms and require urgent medical attention.
Adverse reactions (frequency and seriousness)
In very rare cases, the following adverse reactions have been observed in animals administered tylosin at the recommended rate:
- Injection site reaction
- vulval swelling in cattle,
- Oedema of the rectal mucosa, partial anal protrusion (‘rosebudding’), erythema and pruritus in pigs.
- Anaphylactic shock and death.
Blemishes may occur at the site of injection and can persist for up to 21 days following administration.
The frequency of possible adverse effects is defined using the following convention:
- very common (affects more than 1 animal in 10)
- common (affects 1 to 10 animals in 100)
- uncommon (affects 1 to 10 animals in 1,000)
- rare (affects 1 to 10 animals in 10,000)
- very rare (affects less than 1 animals in 10,000) - not known (frequency cannot be estimated from the available data)
Use during pregnancy, lactation or lay
Studies in laboratory animals have not produced any evidence of teratogenic, foetotoxic or maternotoxic effects. No studies have been conducted in the target species. Use only in accordance with the benefit/risk assessment by the responsible veterinarian.
Interaction with other medicinal products and other forms of interaction
Lincosamide and aminoglycoside antibiotics can antagonise the action of tylosin.
Amounts to be administered and administration route
For intramuscular injection:
Cattle: 5-10 mg tylosin/kg bodyweight per day for 3 days (2.5 to 5 ml solution for injection per 100 kg bodyweight). Maximum injection volume per injection site should not exceed 15 ml.
Pigs: 5-10 mg tylosin/kg bodyweight per day for 3 days (2.5 to 5 ml solution for injection per 100 kg bodyweight). Maximum injection volume per injection site should not exceed 1.3 ml.
To ensure the correct dosage, bodyweight should be determined as accurately as possible to avoid under dosing.
The closures should not be broached more than 15 times. In order to prevent excessive broaching of the stopper, a suitable multiple dosing device should be used.
Overdose (symptoms, emergency procedures, antidotes), if necessary
Pigs and calves: Intramuscular injection of 30 mg/kg bodyweight per day (three times maximum recommended dose) for five days produced no adverse effects.
Pigs: Meat – 9 days
Cattle: Meat – 28 days
Milk – 108 hours.
Pharmacotherapeutic group: Antibacterials for systemic use, macrolides, tylosin. ATC vet code: QJ01FA90
Tylosin is a macrolide antibiotic and exerts its antibiotic activity by a similar mechanism to other macrolides i.e. binding to the 50S fraction of the ribosomes resulting in an inhibition of the synthesis of proteins. Tylosin has mainly a bacteriostatic activity.
Tylosin has an antibiotic effect against Gram positive cocci (Staphylococci, Streptococci), Gram positive bacilli (Erysipelothrix spp.), some Gram-negative bacilli (Pasteurella spp., Mannheimia spp.) and Mycoplasma spp.
Resistance to macrolides is usually plasmid-mediated but modification of ribosomes may occur through chromosomal mutation. Resistance can occur by i) decreased entry into bacteria (most common with the gram-negative bacteria), ii) synthesis of bacterial enzymes that hydrolyse the drug and, iii) modification of the target (the ribosome).
This latter resistance type may also lead to cross-resistance with other antibiotics that preferentially bind to bacterial ribosome. Gram-negative anaerobic bacteria are often resistant.
Resistance of Brachyspira hyodysenteriae to tylosin has been reported
Absorption: Following intramuscular injection, tylosin blood levels peak 1-2 hours post-injection. Duration of activity is approximately 12 hours.
Distribution, Biotransformation and Elimination: Tylosin levels of 1.4 to 1.6 and 2.2 to 6.7µg/ml were recorded in serum and lung tissue respectively following intramuscular injection of 8.8 mg/kg bodyweight in pigs. Measurable amounts of tylosin were still present in both serum and lung tissue at 12 hours post-injection. Tylosin concentrations were greater in lung tissue than serum at all sample times.
List of excipients
Benzyl alcohol (E1519)
Propylene glycol Water for injections
In the absence of compatibility studies, this veterinary medicinal product must not be mixed with other veterinary medicinal products.
Shelf life of the veterinary medicinal product as packaged for sale: 2 years.
Shelf life after first opening of the immediate packaging: 28 days. Discard any unused material.
Special precautions for storage
Protect from light.
Store in the original container.
Do not store above 25°C.
Do not freeze
Special precautions for the disposal of unused veterinary medicinal product or waste materials derived from the use of such products
Any unused veterinary medicinal product or waste materials derived from such veterinary medicinal products should be disposed of in accordance with local requirements.
PHARMASOL: Data Sheet
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|Under £49.00||Under 250g||£2.99|
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