ZIA Allergy Guide

Medication basics for house dust mite rhinitis: where nasal sprays and oral medicines fit in

Different medicines act on different parts of the problem. Using the right order and the right technique matters more than chasing new drugs.

Source: ZIA Allergy Guide editorial team Published: 2026-10-14 20:27:05 Updated: 2026-10-16 15:39:31 16 views

Intranasal corticosteroid

An intranasal corticosteroid is one of the commonly used basic medicines for treating allergic rhinitis. Its main job is to reduce inflammation in the nasal lining. It does not work as quickly as oral medicines. It needs to be used continuously for some time, as your doctor advises, before the effect shows. With proper use, little is absorbed into the body. The direction of the nozzle and your breathing while spraying both affect how well it works. It is a good idea to ask your doctor or nurse to show you once during your visit.

Oral and nasal antihistamine

An antihistamine mainly targets symptoms such as sneezing, nasal itching and a runny nose. It works fairly quickly, but it helps only a little with a blocked nose. Some first-generation medicines easily cause drowsiness, so take care when using them during the day. If you drive or work at heights, tell your doctor. If your eyes itch a lot, your doctor may suggest adding allergy eye drops.

Be careful with decongestants

Nasal decongestants can relieve a blocked nose quickly, but using them continuously for too long can easily cause rebound congestion. So they are usually used only for a short time, when needed, as your doctor advises. The type of medicine, the length of treatment and how medicines are combined should all be decided by your doctor based on your condition. If symptoms get worse or do not improve over time, go back for a follow-up visit instead of adding medicines on your own.

This article is for general information only and is not medical advice. Please follow your doctor's instructions.

This article is for general information only and is not medical advice. If your symptoms affect daily life, please see a doctor.

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