The NHS website

Mometasone nasal spray: a medicine to treat allergic rhinitis and hay fever

NHS medicines information on mometasone nasal spray – what it's used for, side effects, dosage and who can take it.

NHS medicines information on fluticasone nasal spray and drops – what they're used for, side effects, dosage and who can use them.

NHS medicines information on budesonide nasal spray – who should take it, what it's used for, side effects and dosage.

NHS medicines information on beclometasone nasal spray – what it's used for, side effects, dosage and who can take it.

Find out more about non-allergic rhinitis, including what the symptoms are, what you can do about it and when to get medical help.

Find out about allergic rhinitis, including what the symptoms are, what you can do about it and when to get medical help.

Find out about the side effects of antibiotics, including the symptoms of an allergic reaction.

Read about reactions to hair dye, the signs, symptoms, how to avoid them and what to do when you have a reaction.

Find out what angioedema is, what the symptoms are, why it happens and how it's treated.

NHS information about anaphylaxis, including symptoms, when to get help, treatment and prevention.