Diethylstilbestrol/Stilboestrol

Why has my veterinarian prescribed this medicine?

Diethylstilbestrol (also called Stilboestrol) is a synthetic oestrogen. It has been used for treatment of enlarged prostate gland in male dogs and oestrogen responsive urinary incontinence and in some forms of aggression in females. 

Stilboestrol tablets are available as veterinary preparation in Australia, so change the next sentence accordingly:

Diethylstilbestrol is not available as a veterinary preparation in the UK. Your veterinary surgeon may ask you to sign a consent form so a preparation licensed for humans can be used to treat your pet.

How do I give this medication?

- Give this medication to your pet as directed by your veterinarian. READ THE LABEL CAREFULLY.

- Give this medication one hour before or two hours after meals.

- Only tablets are available: If the medicine is in liquid form, measure the dose with reasonable care.

- Try to give this medication at about the same time(s) each day.

- DO NOT give the pet more medicine than directed and DO NOT give the medicine more often than directed and for a longer period of time than directed.

- Try not to miss giving any doses.

What do I do if I miss giving a dose?

Give the dose as soon as possible. If it is almost time for the next dose, skip the missed dose, and continue with the regular schedule. Do not give the pet two doses at once.

How do I store this medicine?

Keep this medicine out of reach of children. Store this medicine in a cool, dry place at room temperature. Store away from heat and direct sunlight. Do not store this medicine in the bathroom, near the kitchen sink or in damp places. The medicine may break down if exposed to heat or moisture.

Potential side effects

- Your veterinarian will monitor your pet's blood parameters and liver function. Contact your veterinarian if you notice any unusual behaviour in your pet.

- Other side effects may occur. If you notice anything unusual, contact your veterinarian.

Possible drug interactions

- Make sure to tell your veterinarian what other medication you are giving to your pet.

- Quite often your veterinarian may prescribe two different medications, and a drug interaction may be anticipated. In this case, your veterinarian may vary the dose and/or monitor your pet more closely.

- Drugs may interact such that they can cause an increased or decreased effect or side effects. Although drug interactions may occur, it does not mean that there is necessarily a high risk of any of these occurring.

- Contact your veterinarian if your pet experiences any unusual reactions when different medications are given together.