POM-V Prescription Required

Chloromed 150 mg/g Oral Powder for Calves

Active ingredient: Chlortetracycline Hydrochloride

Form

Powder

Species

Cattle

Manufacturer

Univet Ltd

VMD MA No.

05150/4001

What it's used for

Chickens: The veterinary medicinal product is used in the treatment and metaphylaxis of colibacillosis secondary to infectious bursal disease, chronic resp...

Full indications, dosage and side effects ↓

View official SPC (PDF)

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Paying less for Chlortetracycline Hydrochlor...

1

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2

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Clinical information

Chloromed 150 mg/g Oral Powder for Calves — SPC Details

Source: VMD Summary of Product Characteristics (SPC). Last updated 27 Mar 2026.

Chickens: The veterinary medicinal product is used in the treatment and
metaphylaxis of colibacillosis secondary to infectious bursal disease, chronic
respiratory disease caused by Escherichia coli, and Pasteurella multocida infections.
The presence of the disease in the group or flock must be established before the
product is used.
Pigs: The veterinary medicinal product is used in the treatment and metaphylaxis of
respiratory diseases associated with Mycoplasma hyopneumoniae, Steptococcus
suis and toxigenic strains of Pasteurella multocida
and metaphylaxis of rhinitis due to Bordetella bronchiseptica and streptococcal
meningitis due to Streptococcus suis type II.
AN: 01369/2023 & 01372/2023
The presence of the disease in the group or flock must be established before the
product is used.

The recommended therapeutic dose is 20 mg chlortetracycline per kg bodyweight
(equivalent to 20 grams per 150 kg bodyweight) per day administered for seven days.
This should be given in a divided daily dose i.e. 10 g morning and 10 g evening.
The veterinary medicinal product should be administered to small quantities of feed for
immediate consumption by individual animals. Larger groups should be treated with
medicated feeding stuff.
AN: 01272/2025 and 01273/2025Page 4 of 6
The veterinary medicinal product should be mixed thoroughly into a part of the daily
feed ration and should be administered prior to the feeding. It should be ensured that
the calculated dose is completely taken up by the animals.
If animals don’t recover within 3 days after oral medication, diagnosis should be
reconsidered and treatment should be changed, if necessary.
To ensure a correct dosage, bodyweight should be determined as accurately as
possible.

Do not use in calves over 6 months of age and dairy cows.
Do not use in cases of hypersensitivity to the active substance or to any of the
excipients.
Do not use in animals with severe liver and renal disorders.

Cattle (Calves less than 6 months of age):
Allergic reactions;Liver disorders; Renal disorders;Gastrointestinal disorders;Rare
(1 to 10 animals / 10 000 animals
treated):
Photosensitivity.
Due to the possible incorporation of chlortetracycline, treatment of pregnant and
newborn animals can lead to dysfunctional development of the skeleton and teeth in
foetal and growing animals.
Reporting adverse events is important. It allows continuous safety monitoring of a
veterinary medicinal product. Reports should be sent, preferably via a veterinarian, to
either the marketing authorisation holder or its local representative or the national
competent authority via the national reporting system. See the immediate packaging for
respective contact details.

The uptake of oral medication by animals can be altered as a consequence of illness. In
case of insufficient uptake of feed, animals should be treated parenterally.
AN: 01272/2025 and 01273/2025Page 2 of 6

Special precautions for safe use in the target species:
Use of the veterinary medicinal product should be based on susceptibility testing and
take into account official and local antimicrobial policies.
Inappropriate use of the veterinary medicinal product may increase the prevalence of
bacteria resistant to chlortetracycline and may decrease the effectiveness of treatment
with related substances, due to the potential for cross-resistance.
Long term use of this veterinary medicinal product is not recommended as it may lead
to the development of bacterial resistance.
Special precautions to be taken by the person administering the veterinary medicinal
product to animals
People with known hypersensitivity to tetracyclines should avoid contact with the
veterinary medicinal product.
Do not eat, drink or smoke while handling the veterinary medicinal product or medicated
feed.
During preparation and administration of the medicated feed, skin contact with the
veterinary medicinal product and inhalation of dust particles should be avoided.
Personal protective equipment consisting of protective overall, glasses, impermeable
gloves (e.g. rubber or latex) and an appropriate dust mask (e.g. disposable half mask
respirator conforming to European Standard EN149 or a non-disposable respirator to
European Standard EN140 with a filter to EN143) should be worn when handling the
veterinary medicinal product.
Wash hands immediately after handling the veterinary medicinal product or medicated
feed.
In the event of skin or eye contact, rinse immediately the affected area with large
amounts of clean water. If irritation occurs, seek medical attention.
If you develop symptoms following exposure to the veterinary medicinal product such as
skin rash, you should seek medical advice and show the package leaflet or the label to
the physician. Swelling of the face, lips or eyes or difficulty with breathing are more
serious symptoms and require urgent medical attention.
Special precautions for the protection of the environment:
Not applicable.
Other precautions:
None.
AN: 01272/2025 and 01273/2025Page 3 of 6

This veterinary medicinal product is not recommended for concurrent administration
with any other oral medication.
Do not incorporate the veterinary medicinal product in feed overloaded with polyvalent
cations such as Ca2+ and Fe3+ b cause the formation of chlortetracycline complexes
with these cations is possible.
Do not administer together with antacids, kaolin and iron preparations and in
conjunction with bactericidal antibiotics like beta-lactams.
The veterinary medicinal product should not be used in case of known resistance to
other tetracyclines.

Do not store above 25°C.
Store in a dry place.
Store in the original container.
Protect from light.

Cattle (Calves):
Meat and offal: 10 days.
Milk: Not authorised for use in animals producing milk for human consumption.
4.

This information is sourced from the official Summary of Product Characteristics (SPC) published by the Veterinary Medicines Directorate (VMD). It is provided for informational purposes only and does not replace professional veterinary advice. Always consult your vet before administering any medication.