POM-V Prescription Required

Tudomax, 10 mg/g, Powder for Use in Drinking Water/Milk

Active ingredient: Bromhexine

Form

Powder

Species

Cattle Chickens Duck Pigs Turkeys

Manufacturer

SP Veterinaria, S.A.

VMD MA No.

36967/4006

View official SPC (PDF)

The prescription itself has a price. See what practices near you charge for a consultation and the written prescription fee.

Paying less for Bromhexine

1

Ask your vet for a written prescription

They must provide one on request. Under the CMA Order the fee is capped at £21 from 2027.
2

Fill it at a registered online retailer

The CMA found online pharmacies 50–60% cheaper than practice dispensing on common medicines — typically £200–£300 a year.

Your prescription rights → VMD register of retailers →

Prescription required

Your vet must provide a written prescription on request. You can then purchase from any licensed online retailer.

Clinical information

Tudomax, 10 mg/g, Powder for Use in Drinking Water/Milk — SPC Details

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

bodyweight, administered daily for 3 to 10 days, in drinking water, milk or liquid feed.
The following formula may be used to calculate the required concentration of product
(in milligrams of product per litre drinking water):
45 mg veterinary
medicinal product per kg
bodyweight per day
x
Average bodyweight
(kg) of animals to be
treated
Average daily water intake (l/animal)
=
mg of veterinary medicinal
product per litre of drinking
water
In order to obtain the correct dosage the concentration of bromhexine has to be
adjusted accordingly. The required amount of product should be weighed as
accurately as possible using suitably calibrated weighing equipment. The intake of
medicated water, milk and liquid feed depends on the clinical condition of the
animals.
When administering in liquid feed, first dissolve the product in water and then add
feed. The preparation should be used immediately. Care should be taken that the
intended dose will be completely ingested.
Any unused medicated water should be discarded after 24 hours.
The solubility of the product has been tested at the maximum concentration of 45 g/L
at 20°C and at 5°C, a fine suspension may be observed.
Milk should be heated to feeding temperature prior to addition of the powder. The
medicated milk should be freshly prepared prior to use and used within 3 hours.
The veterinary medicinal product is to be administered only for the treatment of
individually fed animals or a small group of animals where the intake by individual
animals can be effectively controlled.
FOR PROPORTIONER:
When using a water proportioner, adjust the pump between 1% to 5% and adapt the
volume of preparation accordingly.
AN: 01454/2024 & 01455/2024Page 4 of 6

Do not use in cases of pulmonary oedema.
Do not use in cases of hypersensitivity to the active substance or to any of the
excipients.

None known.
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 package leaflet for
respective contact details.

None.
AN: 01454/2024 & 01455/2024Page 2 of 6

Special precautions for safe use in the target species:
In case of serious lungworm infection, the product should only be used 3 days after
the commencement of the anthelmintic treatment.
Special precautions to be taken by the person administering the veterinary medicinal
product to animals:
This product may cause hypersensitivity reactions (allergy). People with known
hypersensitivity to bromhexine or to any of the excipients should avoid contact with
the product.
This product may cause irritation of the respiratory and gastrointestinal tracts if
accidentally ingested or inhaled.
During preparation and administration inhalation of dust particles should be avoided.
Wear an appropriate dust mask (either a disposable half-mask respirator conforming
to European Standard EN149) or a non-disposable respirator to European Standard
EN 140 with a filter to EN 143), when handling the product.
This product may cause irritation to the skin, eyes and mucous membranes. Avoid
direct contact with the product. Wear gloves and protective glasses during the use of
the product.
If accidental contact occurs, rinse the affected area with large amounts of clean
water. If symptoms develop following cutaneous, oral or inhalation exposure, seek
medical advice and show this warning to the physician. Do not eat, drink or smoke
while handling this product.
Wash hands and any exposed skin after use.
Special precautions for the protection of the environment:
Not applicable.

The product may be used in conjunction with antibiotics and/or sulphonamides and
bronchodilators.
Bromhexine modifies the distribution of antibiotics in the animal and increases their
concentration in the serum and in the nasal secretions (e.g. spiramycin, tylosin and
oxytetracycline). When administered concomitantly with the product, antimicrobial
agents should, nevertheless, not be underdosed.

This veterinary medicinal product does not require any special temperature storage
conditions.
Keep the bags tightly closed.

Cattle (calves):
Meat and offal: 2 days.
Not authorised for use in animals producing milk for human consumption.
Pigs:
Meat and offal: Zero days.
Chickens, turkeys and ducks:
Meat and offal: Zero days.
Not for use in birds producing eggs for consumption, during and 4 weeks before the
laying phase.
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.