What the label lists and what reports show
Dexchlorpheniramine side effects
Dexchlorpheniramine's FDA label lists its adverse reactions in its own words. FAERS holds 990 reports naming it through July 30, 2026; the reaction reported most often, leaving out the conditions it is used for, product-use terms and outcomes, is pyrexia (75 reports).
- Generic approved
Check it at the source: the dexchlorpheniramine FDA label on DailyMed (effective December 22, 2025, BluCrest Pharmaceuticals LLC); the FDA FAERS public dashboard.
What does the label list?
From the label: adverse reactionsGeneral: Urticaria, drug rash, anaphylactic shock, photosensitivity, excessive perspiration, chills, dryness of mouth, nose and the throat. Cardiovascular System: Hemolytic anemia, thrombocytopenia, agranulocytosis. Hematologic System: Hemolytic anemia, thrombocytopenia, agranulocytosis. Nervous System: Sedation, sleepiness, dizziness, disturbed coordination, fatigue, confusion, restlessness, excitation, nervousness, tremor, irritability, insomnia, euphoria, paresthesias, blurred vision, diplopia, vertigo, tinnitus, acute labyrinthitis, hysteria, neuritis, convulsions. G.I. System: Epigastric distress, anorexia, nausea, vomiting, diarrhea, constipation. G.U. System: Urinary frequency, difficult urination, urinary retention, early menses. Respiratory System: Thickening of bronchial secretions, tightness of chest and wheezing, nasal stuffiness. …
Source: FDA drug label, ANDA202520 (Pharmobedient), as published by BluCrest Pharmaceuticals LLC, effective December 22, 2025 (SPL set 4694616b-4ef4-28a4-e063-6394a90ac5f6), via openFDA; the full label on DailyMed
What do FAERS reports show?
990 reports list dexchlorpheniramine among the medicines taken, each a report of something that happened, not proof the medicine caused it; 144 are coded as a death and 565 as a hospital stay. Counts follow how widely a medicine is used and watched, and they are not a measure of how risky it is. Of the 24 reactions below, 9 are named by the same term (in US spelling) in the label's adverse reactions, warnings or patient leaflet; a reaction the label does not name may still be there under another word, and a report does not show that the medicine caused it.
Reports received each year
The 25 most reported reactions
Source: FDA Adverse Event Reporting System (FAERS) via openFDA, reports through July 30, 2026; reactions as MedDRA preferred terms
What next?
- Dexchlorpheniramine: the full record
- label, generics, price, shortages, recalls
- Report a side effect to the FDA
- MedWatch
- Side effects hub
- the most reported medicines and reactions