AVM-GSL Over the Counter

Proactive 1.52 mg/ml Teat Dip/Spray Solution

Active ingredient: Iodine

Form

Spray

Species

Cattle

Manufacturer

DeLaval NV

VMD MA No.

17140/3001

What it's used for

When used as a teat dip / teat spray is an aid in the prevention of the spread of mastitis in lactating dairy cattle, sheep and goats.

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 Iodine

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 →

Clinical information

Proactive 1.52 mg/ml Teat Dip/Spray Solution — SPC Details

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

When used as a teat dip / teat spray is an aid in the prevention of the spread of
mastitis in lactating dairy cattle, sheep and goats.

Amounts to be administered: 5 ml per cow per application.
The veterinary medicinal product is meant to be used as a post-milking teat dip or
spray up to two times per day. The duration of treatment is not limited.
Dip each teat of the cow immediately after milking in a dip cup containing undiluted
veterinary medicinal product. Alternatively, spray the entire teats after each milking.
Spraying must be done from below the teat. Ensure that the teat is covered to three
quarters length and replenish the dip cup or spray container as necessary.
The dip cup or spray container should be emptied after each milking and washed
before reuse.
Ensure udder and teats are clean and dry before each milking.
If the veterinary medicinal product has frozen, thaw in a warm room and shake well
before use.

Do not use in cases of hypersensitivity to the active substance or to any of the
excipients.
AN: 00765/2025 & 00766/2025

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 label for respective
contact details.

The presence of milk or dirt neutralizes iodine, reducing its activity and effectiveness.
Ensure that the udder and teats are clean and dry before the next milking.

Special precautions for safe use in the target species:
For external use only. Use in injured teats may delay wound healing process. It is
recommended that treatment be discontinued until teat lesions have resolved.
Allow the veterinary medicinal product to dry before the cows are exposed to rain,
cold or windy weather conditions
Special precautions to be taken by the person administering the veterinary medicinal
product to animals:
People with known hypersensitivity to iodine or to any of the excipients should avoid
contact with the veterinary medicinal product. If you develop symptoms following
exposure, such as skin rash you should seek medical advice and show the combined
package leaflet and label to the physician.
Avoid ingesting the veterinary medicinal product. In case of accidental ingestion
seek medical advice immediately and show the combined package leaflet and label
to the physician.
Do not eat, drink or smoke while using the veterinary medicinal product. When used
as spray, avoid working in spray mist. This veterinary medicinal product might be
mildly irritating to skin and eyes. Avoid contact with skin and eyes when
administering the veterinary medicinal product. During application avoid contact with
hands or wear protective gloves. If the veterinary medicinal product comes into
contact with the eyes, rinse immediately with plenty of water.
Wash hands after use.
Special precautions for the protection of the environment:
Not applicable.

The veterinary medicinal product must not be used concurrently with other teat
disinfectants or care products.

Do not store above 25 °C.
Store upright in the tightly closed original container.
Protect from frost.
Protect from light.

Meat and offal: Zero days.
Milk: Zero hours.
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.