Drug Reference
Chlorpheniramine
Substituted alkylamines
OTC
Fact box
- Therapeutic class
- Substituted alkylamines
- Action class
- Histamine-1 Receptor Antagonist
- Habit forming
- No
- Availability
- Over-the-counter (OTC)
Brand names
Aller-ChlorChlor-TrimetonClorreliefPoly Hist PDTannic-12 STussionexTuxarinTuzistraVentussWal-finateZodryl ACZodryl DAC
Available as
325 MG · Oral Capsule0.4 MG/ML · Oral Solution21.7 MG/ML · Oral Solution325 MG · Oral Tablet0.04 MG · Extended Release Oral Tablet500 MG · Oral Tablet0.8 MG/ML · Oral Solution32 MG/ML · Oral Suspension1.6 MG/ML4 MG · Oral Tablet2 MG · Oral Tablet0.2 MG/ML · Oral Solution32 MG/ML · Oral Solution0.133 MG/ML · Oral Solution2 MG/ML · Oral Solution250 MG · Oral Capsule162.5 MG · Oral Capsule163 MG · Oral Tablet1 MG · Chewable Tablet43.3 MG/ML · Oral Solution0.4 MG/ML · Oral Suspension9 MG · Oral Tablet4 MG · Extended Release Oral Tablet100 MG · Oral Capsule
FDA label sections are from openFDA and may not reflect the most recent labeling — confirm against the current DailyMed label.
Uses
Uses temporarily relieves these symptoms due to hay fever (allergic rhinitis) or other upper respiratory allergies: sneezing runny nose itching of the nose or throat itchy, watery eyes
How to use / dosing
Directions adults and children 12 years of age and over: take 1 tablet every 4 to 6 hours, not to exceed 6 tablets (24 mg) in 24 hours, or as directed by a doctor children under 12 years of age: consult a doctor
Safety advice
Conservative summary derived from FDA labeling — defaults to “consult your doctor” unless the label is explicit. Not a substitute for your clinician’s advice.
PregnancyNo information
No specific information in the FDA label.
BreastfeedingNo information
No specific information in the FDA label. Check LactMed →
AlcoholNo information
No specific information in the FDA label.
DrivingNo information
No specific information in the FDA label.
KidneyNo information
No specific information in the FDA label.
LiverNo information
No specific information in the FDA label.
Warnings & precautions
Warnings Ask a doctor before use if you have a breathing problem such as emphysema or chronic bronchitis glaucoma difficulty in urination due to enlargement of the prostate gland
Current FDA labels (DailyMed)
- SINUS AND ALLERGY RELIEF PE (CHLORPHENIRAMINE MALEATE, PHENYLEPHRINE HCL) TABLET [TOPCO ASSOCIATES, LLC]
- ALLER-CHLOR (CHLORPHENIRAMINE MALEATE) TABLET [RUGBY LABORATORIES]
- ALLERGY RELIEF 4 HOUR (CHLORPHENIRAMINE MALEATE) TABLET [CARDINAL HEALTH 110, LLC. DBA LEADER]
- ALLERGY RELIEF D (CHLORPHENIRAMINE MALEATE, PSEUDOEPHEDRINE HCL) TABLET [WALGREEN COMPANY]
- ALLERGY RELIEF (CHLORPHENIRAMINE MALEATE) TABLET [BRYANT RANCH PREPACK]
Authoritative sources
Reference only — not clinical advice. Verify against current FDA labeling and consult a licensed provider. About half of pediatric drug use is off-label and is not reflected in FDA labels; absence of pediatric information does not mean a medicine is unused or unsafe in children.