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Weight Loss Injection Warning

Important Update: Weight Loss Injections, HRT, and Contraception

Posted by Malthouse Surgery | June 6, 2025

You may have recently seen updates in the news regarding the impact of weight loss injections (often known as “skinny jabs”) on women taking hormone replacement therapy (HRT) or oral contraceptives. The Medicines and Healthcare products Regulatory Agency (MHRA) has released important guidance on this topic.

Key points you need to know:

  • Weight loss injections may reduce the effectiveness of contraceptive pills.
  • They must not be used during pregnancy or while breastfeeding.
  • Alternative contraception is strongly recommended.
  • You should avoid becoming pregnant for at least 2 months after stopping treatment.

For further details, please refer to the official MHRA update:

Read the full MHRA guidance here
.

If you are currently taking weight loss injections (whether from the NHS or a private provider), and are also taking the contraceptive pill or HRT, please book a medication review appointment with us as soon as possible.

Our clinical team will be happy to advise you on safe alternatives and make sure your ongoing treatment is fully supported.

Thank you for helping us keep your care safe and effective.

Malthouse Surgery