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A steroid nasal spray for sinus symptoms that have lasted around 10 days or more, prescribed after an online consultation with a UK prescriber.
For sinus symptoms that have lasted around 10 days or more without improving. If you have a severe headache, swelling or redness around the eye, changes in your vision or confusion, do not wait for a consultation: get urgent medical help by calling 111, or 999 in an emergency.
Order before 3pm — same-day dispatch (MON - FRI)
~5 min consultation
Secure & confidential · Reviewed by a UK prescriber
Suitable age
18 years +
Max per order
2 packs
Consultation
Yes, online (included in the price)
Mometasone furoate is a corticosteroid (steroid) nasal spray. It reduces the swelling and inflammation inside the nose that block the sinuses from draining, which eases a blocked nose, congestion and the feeling of pressure in the face. It is not an antibiotic. Most sinusitis is caused by a virus and clears within two to three weeks, and antibiotics do not help with viral infections.
NICE, the body that sets clinical guidance in England, recommends a 14-day course of a high-dose steroid nasal spray such as mometasone for adults and children aged 12 and over whose sinus symptoms have lasted around 10 days or more without improving. Mometasone is licensed in the UK for hay fever, year-round allergic rhinitis and nasal polyps. Using it for sinusitis follows NICE guidance but is outside its licence, which is known as off-label use. Your prescriber will explain this before prescribing, and will only prescribe it if it is right for you.
After a short online consultation, a GPhC-registered pharmacist independent prescriber reviews your answers. If mometasone is suitable, it is dispensed by our UK pharmacy and sent in plain packaging. If it is not, the prescriber will explain why and tell you where to get the right care. If you are not sure whether a spray or an antibiotic is the right step, our guide to steroid sprays vs antibiotics explains how prescribers decide.
| Active ingredient | Mometasone furoate 50 micrograms/spray |
| Type | Corticosteroid (steroid) nasal spray |
| Used for | Sinusitis lasting around 10 days or more (off-label, following NICE guidance). Licensed for allergic rhinitis and nasal polyps |
| Typical dose | 2 sprays in each nostril twice a day, for 14 days |
| Pack size | 1 bottle, 140 sprays (enough for a 14-day course) |
| Once opened | Use within 2 months |
| How supplied | After an online consultation with a UK prescriber |
| Prescription | POM — reviewed by a UK prescriber |
A steroid nasal spray is the usual next step when sinus symptoms have lasted around 10 days or more without getting better. Typical symptoms are a blocked or runny nose, pain or pressure around the cheeks, eyes or forehead, and a reduced sense of smell. For the first 10 days, most people only need rest, fluids, pain relief and saline rinses, and our guide on how to relieve sinus pressure at home covers what helps.
Mometasone may not be the right choice if:
• you are very unwell, with a high temperature, severe pain in your face or symptoms that suddenly get worse after starting to improve. You may need to be seen in person, and a prescriber will consider whether an antibiotic is needed;
• your symptoms have lasted more than 12 weeks, or keep coming back. This needs a GP assessment, and our guide to sinusitis that won’t go away explains why;
• your symptoms are mainly sneezing and itching that come back in the same season each year. That sounds more like hay fever, and our hay fever treatments have their own consultation.
Get urgent help (call 111, or 999 in an emergency) if you have a severe headache, swelling or redness around the eye, double or reduced vision, a stiff neck or confusion.
Mometasone is a steroid nasal spray licensed in the UK for hay fever, year-round allergic rhinitis and nasal polyps. NICE also recommends it, as a 14-day course, for sinus symptoms that have lasted around 10 days or more. This is an off-label use, which your prescriber will explain.
No. It is licensed for hay fever, allergic rhinitis and nasal polyps. Using it for sinusitis follows NICE guidance but is outside its licence, which is known as off-label use. A prescriber only prescribes it for sinusitis after checking it is right for you.
Some people notice their nose is less blocked within a few days, but it can take longer to feel the full benefit. Use it every day for the full 14 days rather than only when symptoms are bad. If you are no better after the course, speak to a GP. Our mometasone for sinusitis guide explains what to expect.
The usual dose for sinusitis is 2 sprays into each nostril twice a day for 14 days, which is the dose NICE recommends. Always follow the dose on your label, as your prescriber may adjust it for you.
Usually not. Most sinusitis is caused by a virus, and antibiotics do not help with viral infections. A steroid spray is the usual next step when symptoms last around 10 days or more. Antibiotics are kept for people who are very unwell or at higher risk of complications. Read more in our guide do you need antibiotics for a sinus infection?
Both are steroid nasal sprays, and NICE names both for sinusitis that has lasted around 10 days or more. They work in a similar way, and neither has been shown to be clearly better. Our fluticasone vs mometasone guide compares them in detail.
Both are steroid nasal sprays. Mometasone is the one NICE names for sinusitis, at a dose of 2 sprays in each nostril twice a day. Beclometasone nasal spray is usually used twice a day too. Your prescriber can advise which suits you during your consultation. Our guide to the best nasal spray for sinusitis compares the options.
If you live in England and are aged 12 or over, you may be able to get sinusitis treatment free from a local pharmacy through the NHS Pharmacy First service, or from your GP. Waiting times and availability vary. Our private vs NHS prescription guide compares the options.
The most common are nosebleeds, burning or irritation inside the nose, headache and a sore throat. They are usually mild. Some people notice changes in their sense of taste or smell. Aiming the spray away from the middle of your nose lowers the risk of nosebleeds. Tell a doctor if you notice blurred vision or other changes in your eyesight.
Do not use it if you are allergic to it, have an untreated infection inside your nose, or have had nose surgery or an injury that has not healed. Tell the prescriber if you are pregnant or breastfeeding, have glaucoma, cataracts or tuberculosis, take steroid tablets, or take HIV medicines containing cobicistat or ritonavir.
If you are no better after the 14-day course, your symptoms get worse, or they last more than 12 weeks, see a GP. Get urgent help for a severe headache, swelling around the eye, changes in vision or confusion. Our guide to sinusitis that won’t go away explains the possible causes.
Yes, after an online consultation. A GPhC-registered pharmacist independent prescriber reviews your answers and only prescribes it if it is suitable for you. It is then dispensed by our UK pharmacy and sent in plain packaging.
Helpful articles and clinical guides related to this treatment category.
Free consultation
Online review by a UK prescriber
Next-day delivery
Order before 3pm where offered
Discreet packaging
Plain outer packaging