FDA data Registry peer set 1 peer

Alternatives to chlorpheniramine

1 same-class SPL records vs chlorpheniramine - uses, FAERS reaction fields, and OTC/Rx flags from public FDA sources.

View chlorpheniramine → All alternatives

Brand: Chlor-Trimeton

First-Generation Antihistamine OTC 1 alternative found

About chlorpheniramine

Chlorpheniramine is an antihistamine medicine. It helps relieve allergy symptoms.

Used for: This medicine temporarily relieves symptoms from allergies or a cold. It can help with sneezing, runny nose, and itchy eyes. It also helps with itching of the nose or throat.

View full chlorpheniramine profile →

1 First-Generation Antihistamine peers (wide set)

diphenhydramine

OTC

Benadryl

This medicine temporarily relieves symptoms from allergies or hay fever. These symptoms include sneezing, itchy nose or throat, runny nose, and itchy, watery eyes. It also helps with sneezing and runny nose caused by the common cold.

Compare chlorpheniramine vs diphenhydramine side-by-side →

chlorpheniramine vs diphenhydramine · FAERS reaction fields

FAERS top-reaction field "Fatigue" shows the widest count spread between chlorpheniramine and diphenhydramine in this extract (4,609-report gap on that field). Counts are exposure-weighted submissions, not prevalence rates.

Side Effect chlorpheniramine diphenhydramine
Nausea 601 4,484
Diarrhoea 568 -
Fatigue 467 5,076
Dyspnoea 416 3,387
Pyrexia 383 3,386
Vomiting 375 -
Neutropenia 292 -
Headache 274 5,138

"-" means no reports for that reaction. Report counts reflect total FAERS submissions, not prevalence rates.

chlorpheniramine peer mix vs class inventory

Peer mix

1 OTC and 0 Rx SPL records in this peer set (1 total). Class inventory for First-Generation Antihistamine: 2 drugs.

Frequently Asked Questions

What same-class SPL records sit beside chlorpheniramine? ▼
This registry lists 1 First-Generation Antihistamine medication records beside chlorpheniramine, including diphenhydramine. Grouping is therapeutic-class indexing from openFDA/SPL, not a product recommendation.

Reading a wide First-Generation Antihistamine peer set (1 records)

chlorpheniramine (Chlor-Trimeton) sits in a wide First-Generation Antihistamine peer set (1 of 1 class peers shown). Labeled indication field for chlorpheniramine: This medicine temporarily relieves symptoms from allergies or a cold.

Top FAERS reaction fields for chlorpheniramine total 3,905 reports across 10 reactions, set beside diphenhydramine. Counts are exposure-weighted submissions, not per-patient risk.

Registry note: Therapeutic-class peer lists are registry indexes, not prescribing advice. This information is for educational purposes only and is not a substitute for professional medical advice. Do not stop or change your medication without talking to your doctor or pharmacist.

Full chlorpheniramine profile →

Field note for chlorpheniramine: see also the generic vs brand label guide when reading Chlor-Trimeton SPL strings.

Read our methodology - how this data is sourced, computed, and verified.