Instructions for use of the drug Sinuloks for cats – composition, indications, side effects and price

The content of the article

Sinuloks / Synulox is a broad-spectrum antibiotic that can cure most bacterial infections. Sinulox is intended for cats and dogs, it relieves inflammation, has a bactericidal effect due to the main component of amoxicillin, the second component clavulanic acid inhibits the activity of bacteria, increases their sensitivity to penicillin.

Antibiotic Sinulox

The drug is very effective against many pathogens of infectious diseases in small pets, for example, in the treatment of pathologies of the upper respiratory tract, purulent inflammation of the soft tissues, diseases of the joints, genitals. Veterinarians often prescribe this medication, but not all pet owners are aware of the intricacies of its use..

Sinulox tablets in pack


The composition of the drug Synulox (for example, tablet form) includes the following active substances:

The main


amoxicillin trihydrate

erythrosine (E127)

clavulanic acid

microcrystalline cellulose

magnesium stearate

silicon colloidal anhydrous

sodium glycolate (type A)

dry yeast

Release form

The drug is available in two forms: tablets in blisters and a suspension for intramuscular, subcutaneous injections. One blister contains 10 tablets with a dosage of 50 or 250 grams. They have a pink tint, dividing groove. Injections are used less often since the shelf life of the printed suspension is not more than a month. Liquid cream shade, oily texture, bubbles of 40 and 100 milliliters each.

Pharmacological properties

This antibiotic belongs to the penicillin group. The combination of two active components – amoxicillin and clavulanic acid – has an antibacterial effect against most bacteria, including strains producing beta-lactamase:

Gram-positive bacteria (Gram (+))

Gram-negative bacteria (Gram (-))

Staphylococcus spp.

Escherichia coli

Corynebacteria spp.

Salmonella spp.

Streptococcus spp.

Bordetella bronchiseptica

Clostridium spp.

Proteus spp.

Peptostreptococcus spp.

Klebsiella spp.

Campylobacter spp.

Fusobacterium necrophorum

Pasteurella spp.

The drug is active against bacteria that produce beta-lactamase – this is a special enzyme that destroys antibiotic molecules until its exposure. Clavulanic acid, which is part of the medication, protects the main active substance amoxicillin from the action of beta-lactamase by inactivation (destruction of active structures), contributes to the speedy bactericidal effect.

Indications for use

The drug Synulox is prescribed for the treatment of the following infectious diseases in cats and dogs (bacterial etiology):

  • skin diseases (deep, superficial pyoderma including);
  • infections of the genitourinary system (cystitis, diseases aggravated by the addition of a secondary infection);
  • respiratory tract infections (pneumonia and other respiratory diseases);
  • staphylococci;
  • diseases of the intestine and the gastrointestinal tract as a whole (caused by pathogenic microflora);
  • pseudomonous infections.

Masked cat

Dosage and administration

Since Synulox is available in two forms: tablets and injections, their method of administration and dosage are different. If the veterinarian diagnosed, prescribed the drug without explaining the method of use and other useful information, then you must carefully read the instructions that come with the medicine so as not to harm the health of the pet. Often, the dose of the active substance depends on the breed of the cat: the larger the animal, the more dosage will be needed to treat infectious diseases.

Sinulox tablets

The tablet formulation is available in three concentrations: Sinulox tablets 50 mg, 250 mg and 500 mg. The medicine is prescribed inside. Round tablets are given to the animal by hand or used as an additive to the main meals, crushed or mixed with the usual food for the pet. The method of feeding tablets does not affect the bioavailability of the components (absorption of active substances).

A single dose – 12.5 mg per 1 kg of the current weight of the animal, no more than two times a day. If the disease is difficult to treat, then it is necessary to increase the dosage of the drug to 25 mg per 1 kg of the current weight of the pet, also no more than twice a day. The duration or course of treatment of an animal with Sinulox is from 5 days to a week, depending on the degree of complexity of the disease. With intractable infections or chronic diseases, treatment can last 10-28 days.

Sinulox injection

The medicine is available in the form of a suspension in 100 ml vials (packaging of 6 vials) and 40 ml (packaging of 12 vials). The dosage of the drug Sinulox for injection according to the active substance is 8.75 mg of amoxicillin per 1 kg of live weight, which corresponds to 1 ml of suspension per 20 kg of weight. The solution is administered subcutaneously, otherwise the drug is administered intramuscularly. It is forbidden to enter intravenously. Sinulox preparation for cats injections is injected once a day for 3-5 days. Before the introduction, you need to shake the bottle, after – massage the injection site.

Sinulox in vial for injection

Application features

When using any form of Sinulox medication, the general rules of personal hygiene and safety related to the use of medicines should be observed. Before you start working with the drug, you need to thoroughly wash your hands with warm water and soap. It is forbidden to use water and food when using the medicine. Watch the expiration date of the medicine so as not to damage your well-being and health of the pet.

It is important to observe safety precautions when working with antibiotics, to avoid direct contact with the drug. If you are sensitized to this group of medicines, then direct contact can cause a skin reaction in the form of various rashes, swelling of the lips and face, difficulty breathing. At the first symptoms, you should consult your doctor.

Side effects and overdose

When using the medication strictly according to the instructions, side effects and various complications have not been established. An allergic reaction to the drug is rarely observed. Symptoms of excess dose of Sinulox were not identified. In the event of a deterioration in the animal’s health, immediately seek help from a qualified veterinarian.


From contraindications, a known allergic reaction to antibiotics of the penicillin group, hypersensitivity to other components of the drug are isolated. It is forbidden to give medicine to rabbits, guinea pigs, gerbils, hamsters and other small herbivores. Sinulox is not recommended for use in conjunction with other antibiotics. The drug should not be mixed with other drugs in the same syringe. The suspension does not tolerate moisture well, so use only dry syringes and needles.

Terms of sale and storage

Sinulox should be stored in its original packaging, separate from feed and other food products. The drug must be protected from direct sunlight and high temperatures, the permissible temperature regime is from 0 ° C to 25 ° C. The shelf life of Sinulox tablets and injections (unopened bottle) is 2 years from the date of manufacture. After breaking the cork, the period of use is reduced to 4 weeks.

You can buy preparations based on semi-synthetic antibiotics for animals in a veterinary pharmacy or in the corresponding online stores. Some medicines from this group can be bought at a regular human pharmacy. In most cases, the appointment of an antibiotic is prescribed by a veterinarian, so that with an independent choice of dosage and method of administration, it does not harm the animal’s body.

Analogues of the drug

There are analogues of the antibacterial agent Sinulox, in which the main active ingredient is semi-synthetic amoxicillin. The list of such antibacterial drugs:

  • Amoxiclav;
  • Flemoklav;
  • Noroclav
  • Ksiklav et al.

Amoxiclav powder per pack

Price Sinuloksa

The cost of the drug varies depending on the form of release, the dosage in the case of tablets and the volume of the vial in the case of a suspension for injection. Sinuloks price breakdown is presented in the table:


Price, p.

Sinulox tablet 50 mg Number 10


Sinulox tablet 250 mg Number 10


Sinulox tablet 500 mg Number 10


Sinulox RTU injection for fl. 40 ml


Sinulox RTU injection for fl. 100 ml


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