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Detailed medicine guidance

Using mometasone nasal spray with other medicines and herbal supplements

NHS medicines information on possible interactions with mometasone and other medicines, herbal remedies and supplements.

About this information

This NHS content is written for people in England. Medicine names, availability, prescribing and services may differ in other countries.

Cautions with other medicines

Some medicines can affect mometasone nasal spray. This can increase your chances of side effects or change how well it works. This may mean changing your mometasone dose.

Speak to a pharmacist or your doctor before starting to use it if you're taking:

  • medicines used to treat HIV, such as ritonavir or cobicistat
  • other medicines that contain steroids such as eczema creams, asthma inhalers, steroid tablets, injections or eye drops
Mixing mometasone with herbal remedies and supplements

There's not enough information to say that complementary medicines, herbal remedies and supplements are safe to use with mometasone nasal spray. They're not tested in the same way as pharmacy and prescription medicines. They're generally not tested for the effect they have on other medicines.

Meds New IA (H2) - Cautions with other medicines alert

Tell your doctor or pharmacist if you're taking any other medicines, including herbal remedies, vitamins or supplements.

View the original NHS website page ↗. Refreshed 19 August 2026.

Licensed under the Open Government Licence v3.0 ↗. MyPHU is independent and is not endorsed by the NHS.

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