Last reviewed · How we verify

H1 Antihistaminics

Erasmus Medical Center · FDA-approved active Small molecule

H1 Antihistaminics is a H1 receptor antagonist Small molecule drug developed by Erasmus Medical Center. It is currently FDA-approved for Allergic rhinitis, Urticaria, Pruritus.

H1 antihistaminics block histamine H1 receptors on cell surfaces, preventing histamine-mediated allergic and inflammatory responses.

H1 antihistaminics block histamine H1 receptors on cell surfaces, preventing histamine-mediated allergic and inflammatory responses. Used for Allergic rhinitis, Urticaria, Pruritus.

At a glance

Generic nameH1 Antihistaminics
SponsorErasmus Medical Center
Drug classH1 receptor antagonist
TargetHistamine H1 receptor
ModalitySmall molecule
Therapeutic areaAllergy/Immunology
PhaseFDA-approved

Mechanism of action

These drugs competitively antagonize histamine at H1 receptor sites, which are distributed across smooth muscle, endothelium, and central nervous system tissues. By blocking H1 receptor signaling, they reduce vasodilation, bronchoconstriction, itching, and other acute allergic symptoms. First-generation agents cross the blood-brain barrier and cause sedation; second-generation agents are more selective for peripheral H1 receptors.

Approved indications

Common side effects

Key clinical trials

Primary sources

Every claim on this page is sourced from regulatory or scientific primary sources. See our editorial policy for full methodology.

SourceUsed for
ClinicalTrials.govTrial enrolment, design, endpoints, results

Competitive intelligence

For the full competitive landscape — auto-detected comparators, recent regulatory actions across the set, upcoming PDUFA, patent timeline, sponsor landscape:

Frequently asked questions about H1 Antihistaminics

What is H1 Antihistaminics?

H1 Antihistaminics is a H1 receptor antagonist drug developed by Erasmus Medical Center, indicated for Allergic rhinitis, Urticaria, Pruritus.

How does H1 Antihistaminics work?

H1 antihistaminics block histamine H1 receptors on cell surfaces, preventing histamine-mediated allergic and inflammatory responses.

What is H1 Antihistaminics used for?

H1 Antihistaminics is indicated for Allergic rhinitis, Urticaria, Pruritus, Allergic conjunctivitis, Anaphylaxis (adjunctive).

Who makes H1 Antihistaminics?

H1 Antihistaminics is developed and marketed by Erasmus Medical Center (see full Erasmus Medical Center pipeline at /company/erasmus-medical-center).

What drug class is H1 Antihistaminics in?

H1 Antihistaminics belongs to the H1 receptor antagonist class. See all H1 receptor antagonist drugs at /class/h1-receptor-antagonist.

What development phase is H1 Antihistaminics in?

H1 Antihistaminics is FDA-approved (marketed).

What are the side effects of H1 Antihistaminics?

Common side effects of H1 Antihistaminics include Sedation (first-generation agents), Dry mouth, Headache, Dizziness, Anticholinergic effects.

What does H1 Antihistaminics target?

H1 Antihistaminics targets Histamine H1 receptor and is a H1 receptor antagonist.

Related