Educational guide for US adults 18+ Clinical review pending
All treatments

Azelastine 0.15% nasal spray

An OTC nasal antihistamine for nasal allergy symptoms.

Active ingredientAzelastine hydrochloride

Examples: Astepro Allergy. Check the exact formulation on your label.

Good evidence

Actual product examples

Astepro Allergy

Azelastine hydrochloride · 0.15% nasal spray

A nasal antihistamine for allergy congestion, runny nose, sneezing and itching. It acts at histamine receptors in nasal tissue.

May cause drowsiness or bitter taste. Avoid alcohol and review sedatives. Do not automatically add it to another antihistamine.

What it is useful for

Nasal antihistamines are supported for allergies. The US OTC label is for allergies; nonallergic use needs professional advice in this guide.

Availability: US OTC

When to expect a difference

Initial effect
Acts faster than a daily steroid; individual response varies.
Full benefit
No single reliable time applies.
Use period
Follow the specific OTC label.
Stop or ask
Stop and seek advice for severe/frequent nosebleeds or persistent drowsiness.

How to use it

  • Keep your head slightly down. Avoid forceful sniffing.
  • Avoid alcohol. Use caution driving until you know its effect.

Use the dose on your specific package. Different concentrations and release types are not interchangeable.

Possible downsides

Bitter taste, Drowsiness, Nasal discomfort.

Check suitability

Check allergies, health conditions and all other medicines before use. The finder can flag common restrictions, but it is not a complete interaction checker.

Pregnancy, breastfeeding, children, immune suppression and postoperative care are outside this finder.