Best Histamine-1 Receptor Antagonist for conjunctivitis, allergic
6 Histamine-1 Receptor Antagonist drugs used for conjunctivitis, allergic, ranked by our independent rating. Compare them with all treatments for conjunctivitis, allergic or the full Histamine-1 Receptor Antagonist class. Not medical advice — always consult a professional.
Quick answer: Of the 6 histamine-1 receptor antagonist drugs we rate for conjunctivitis, allergic, 5 are available as lower-cost generics, and most are spray/inhaler. Our ranking reflects each drug’s FDA recall-safety record — not clinical effectiveness for conjunctivitis, allergic; the right choice depends on your situation, so confirm it with your prescriber.
How histamine-1 receptor antagonist work
H1 antihistamines work by blocking histamine, the chemical released during an allergic reaction, from attaching to H1 receptors. This prevents the sneezing, itching, runny nose, watery eyes, and hives that histamine would otherwise trigger.
Other drug classes for conjunctivitis, allergic
Top histamine-1 receptor antagonist for conjunctivitis, allergic: 1. Astepro Allergy · 2. Azelastine Hydrochloride · 3. Bepreve
| # | Drug | Rating | Type | Form | Generic? | Pharmacy pays | |
|---|---|---|---|---|---|---|---|
| 1 | Not yet rated | Over-the-counter | Spray/Inhaler | Generic | $1 | View → | |
| 2 | Not yet rated | Prescription | Drops | Generic | $1 | View → | |
| 3 | Not yet rated | Prescription | Drops | No data | — | View → | |
| 4 | Not yet rated | Over-the-counter | Spray/Inhaler | Generic | $1 | View → | |
| 5 | Not yet rated | Prescription | Suspension | Generic | $0 | View → | |
| 6 | Not yet rated | Over-the-counter | Solution | Generic | $1 | View → |
Full ranking · 6 drugs
astepro allergy
Over-the-counterFDA-sourced
Astepro Allergy (Azelastine Hydrochloride) is a histamine-1 receptor antagonist used to treat Allergic Conjunctivitis, Perennial Allergic Rhinitis, Vasomotor Rhinitis.
Pharmacy pays
From ~$0.28· 2 forms Save up to 94% in classazelastine hydrochloride
PrescriptionFDA-sourced
Azelastine Hydrochloride is a histamine-1 receptor antagonist used to treat Allergic Conjunctivitis, Perennial Allergic Rhinitis, Vasomotor Rhinitis.
Pharmacy pays
From ~$0.28· 2 forms Save up to 94% in classbepreve
PrescriptionFDA-sourced
Bepreve (Bepotastine Besilate) is a histamine-1 receptor antagonist used to treat Allergic Conjunctivitis.
Price varies
children's astepro allergy
Over-the-counterFDA-sourced
Children's Astepro Allergy (Azelastine Hydrochloride) is a histamine-1 receptor antagonist used to treat Allergic Conjunctivitis, Perennial Allergic Rhinitis, Vasomotor Rhinitis.
Pharmacy pays
From ~$0.28· 2 forms Save up to 94% in classkarbinal er
PrescriptionFDA-sourced
Karbinal ER (Carbinoxamine Maleate) is a histamine-1 receptor antagonist used to treat Angioedema, Allergic Conjunctivitis, Perennial Allergic Rhinitis, Vasomotor Rhinitis.
Pharmacy pays
From ~$0.43· 3 forms Save up to 92% in class
pataday once daily relief
Over-the-counterFDA-sourced
Pataday Once Daily Relief (Olopatadine Hydrochloride) is a histamine-1 receptor antagonist used to treat Allergic Conjunctivitis.
Pharmacy pays
From ~$0.88· 4 formsFrequently asked
- What is the best histamine-1 receptor antagonist for conjunctivitis, allergic?
- Ratings are based on FDA regulatory recall-safety data — always consult a professional.
- Which histamine-1 receptor antagonist drugs treat conjunctivitis, allergic?
- pharmaranks lists 6 Histamine-1 Receptor Antagonist products used for conjunctivitis, allergic, per NIH RxClass drug-classification data — each independently rated and ranked above.
- How are these ranked?
- By our independent score, currently based on FDA regulatory recall-safety data (the methodology blends additional sources as they come online). See the How we rate page.