Skip to content
POM-V Prescription Required

Cryptisel 0.5 mg/ml Oral Solution for Calves

Active ingredient: Halofuginone

Form

Liquid

Species

Cattle

Manufacturer

Industrial Veterinaria SA

VMD MA No.

36547/3012

What it's used for

Administration should start in the first 24 to 48 hours of age. Reduction of diarrhoea due to diagnosed Cryptosporidium parvum. Administration should start...

Full indications, dosage and side effects ↓
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 Halofuginone

  1. 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. 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.

Prescription required

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

Clinical information

Cryptisel 0.5 mg/ml Oral Solution for Calves — SPC Details

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

Administration should start in the first 24 to 48 hours of age.
Reduction of diarrhoea due to diagnosed Cryptosporidium parvum.
Administration should start within 24 hours after the onset of diarrhoea.
In both cases, the reduction of oocysts excretion has been demonstrated.
For oral use in calves after feeding
The dosage is: 100 µg of halofuginone / kg bw / once a day for 7 consecutive days,
i.e. 2 ml of the veterinary medicinal product / 10 kg bw / once a day for 7 consecutive
days.
The consecutive treatment should be done at the same time each day.
Once the first calf has been treated, all the forthcoming newborn calves must be
systematically treated

as long as the risk for diarrhoea due to
Bottle without a pump: To ensure a correct dosage, the use of an appropriate device
for oral administration (e.g. a syringe) is necessary.
Bottle with a pump: To ensure a correct dosage, an appropriate metering pump is
included.
1) Insert the suction pipe into the free hole located in the base of the pump cap.
2) Remove the cap of the bottle and screw the pump on.
3) Remove the protector cap from the tip of the nozzle of the pump.
4) If the metering pump is used for the first time (or has not been used for a few
days), carefully pump
until a drop of solution is formed on top of the nozzle.
5) Restrain the calf and insert the nozzle of the metering pump into its mouth.
6) Pull the trigger of the metering pump completely for release of a dose that equals
4 ml of solution.
•
For animals weighing from more than 35 kg but less than or equal to 45 kg, pull
two times (equivalent to 8 ml)
•
For animals weighing from more than 45 kg but less than or equal to 60 kg, pull
three times (equivalent to 12 ml)
7) Unscrew the metering pump on the bottle.
8) Close the bottle with the screw cap.
9) Pull twice or three times in order to empty the remaining product in the metering
pump.
10) Put the protector cap back on the nozzle.
The metering pump should not be used upside down.
Do not use on an empty stomach.
Do not use in case of diarrhoea established for more than 24 hours and in weak
animals.
Do not use in cases of hypersensitivity to the active substance or to any of the
excipients.
The frequency of adverse reactions is defined using the following convention:
- very common (more than 1 in 10 animals treated displaying adverse reaction(s))
- common (more than 1 but less than 10 animals in 100 animals treated)
- uncommon (more than 1 but less than 10 animals in 1,000 animals treated)
- rare (more than 1 but less than 10 animals in 10,000 animals treated)
- very rare (less than 1 animal in 10,000 animals treated, including isolated reports).
None.

Special precautions for use in animals
Administer after colostrum feeding, or after milk or milk replacer feeding only, using
an appropriate device for oral administration. For treatment of

anorexic calves, the
veterinary medicinal product should be administered in half a litre of an electrolyte
solution. The

animals should receive enough colostrum according to good breeding
practice.
Special precautions to be taken by the person administering the veterinary medicinal
product to

animals
-
People with known hypersensitivity to the active substance or any of the
excipients should administer the veterinary medicinal product with caution.
-
Repetitive contact with the product may lead to skin allergies.
-
Avoid skin, eye or mucosal contact with the product. Wear protective gloves
while handling the product.
-
In case of skin, eye and mucosa contact wash the exposed

area thoroughly with
clean water. If eye irritation persists, seek medical advice.
-
Wash hands after use.
None known.
Keep the bottle in the outer carton in order to protect from light.
Withdrawal period(s)
Meat and offal: 13 days.
5.

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.

Medication costs adding up?

Pet insurance can cover prescription medications. Find the right policy for your pet.

Compare insurance

Find cheaper vets near you

Compare vet consultation prices in your area. Save on procedures and get a prescription to buy medications online.