Estrus Suppressant Injections in Dogs and Cats: Use, Effects and Harms

Estrus Period and Control Methods

Cats and dogs enter estrus at certain periods. During this period, female animals prepare for mating, while males become sensitive to this period. Pet owners are looking for alternative solutions due to behaviors such as aggression, escape attempts, restlessness and loud meowing or barking that may occur during this period.

One of the preferred methods to suppress the estrus period is hormonal injections, namely estrus suppressant needles. However, it is necessary to be aware of the side effects and long-term damage of this practice.

Heat Suppressant Needle and Its Content

These injections are usually hormone-based and contain progesterone or similar synthetic hormones. After the application, ovulation and therefore mating desire in female dogs and cats are suppressed.

Some commonly used hormonal medications include:

• Medroxyprogesterone Acetate (MPA) : It is a long-acting hormone and can prevent estrus for 3-6 months.

• Megestrol Acetate : It is an oral medication that is used for short periods of time and suppresses anger, but it is also available in injectable form.

• Deslorelin : A hormone implant used for reversible sterilization and can be administered by injection.

Areas of Use and Effects

Heat suppressant injections may be used in the following situations:

• For owners who want to temporarily prevent heat

• For control purposes in shelters or farms with large numbers of pets

• For animals that cannot be sterilized surgically

However, these injections do not provide a long-term solution and have certain risks.

Possible Harms and Side Effects

Many veterinary experts warn about the long-term risks of estrus suppressant shots. Possible side effects include:

• Uterine Infection (Pyometra) : The risk of uterine infection increases in bitches and cats that receive hormone injections.

• Breast Tumors : Long-term use may increase the risk of breast cancer and benign tumors.

• Behavioral Changes : Psychological effects such as depression, loss of appetite or aggressiveness may occur in animals.

• Metabolic Problems : Long-term use can lead to obesity, diabetes and liver diseases.

Permanent Solution: Sterilization

Instead of hormonal injections, the most effective and permanent solution is neutering. With neutering surgery, the hormonal balance of the animals is preserved and their long-term health is supported. The benefits of neutering are:

• Preventing unwanted birth of offspring

• Reduced risk of breast cancer and uterine infections

• Elimination of behavioral problems such as aggression and desire to mate

Conclusion

While estrus suppressant injections provide a temporary solution, they should be used with caution considering the long-term damage they can cause. They should never be administered without consulting a veterinarian, and neutering should be considered for a long-term solution. It is important to evaluate the most appropriate option for your pet's health with your veterinarian.