Drug Reference
Chlorcyclizine
Piperazine derivatives
OTC
Fact box
- Therapeutic class
- Piperazine derivatives
- Habit forming
- No
- Availability
- Over-the-counter (OTC)
Brand names
Ahist AntihistamineDallergy Reformulated Nov 2011Stahist AD
Available as
12.5 MG · Chewable Tablet25 MG · Oral Tablet
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 the common cold, hay fever (allergic rhinitis) or other upper respiratory allergies: runny nose sneezing itching of the nose or throat itchy, watery eyes nasal congestion reduces swelling of nasal passages
How to use / dosing
Directions Do not exceed recommended dosage. Adults and children 12 years of age and over: 1 tablet by mouth every 6-8 hours, not to exceed 3 tablets in 24 hours, or as directed by a doctor Children 6 to under 12 years of age: ½ tablet by mouth every 6-8 hours, not to exceed 1½ tablets in 24 hours, or as directed by a doctor Children under 6 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.
PregnancyConsult your doctor
…within 7 days or are accompanied by fever new symptoms occur If pregnant or breast-feeding, ask a health professional before use.…
BreastfeedingConsult your doctor
…7 days or are accompanied by fever new symptoms occur If pregnant or breast-feeding, ask a health professional before use.…
AlcoholCaution
…excitability may occur, especially in children may cause drowsiness alcohol, sedatives and tranquilizers may increase drowsiness effect avoid alcoholic beverages use caution when driving a motor vehicle or operating machinery Stop use and ask a doctor if…
DrivingCaution
…drowsiness effect avoid alcoholic beverages use caution when driving a motor vehicle or operating machinery Stop use and ask a doctor if nervousness, dizziness or sleeplessness occur symptoms do not improve within 7 days or are accompanied by fever new…
KidneyNo information
No specific information in the FDA label.
LiverNo information
No specific information in the FDA label.
Warnings & precautions
Warnings Do not exceed recommended dosage. Do not use this product If you are taking a prescription monoamine oxidase inhibitor (MAOI) (certain drugs for depression, psychiatric, or emotional conditions, or Parkinson's disease), or for two weeks after stopping the MAOI drug. If you do not know if your prescription drug contains MAOI, ask a doctor or pharmacist before taking this product. Ask a doctor before use if you have a breathing problem such as emphysema or chronic bronchitis glaucoma heart disease high blood pressure thyroid disease diabetes melitus difficulty in urination due to enlargement of the prostate gland Ask a doctor before use if you are taking sedatives or tranquilizers When using this product excitability may occur, especially in children may cause drowsiness alcohol, sedatives and tranquilizers may increase drowsiness effect avoid alcoholic beverages use caution when driving a motor vehicle or operating machinery Stop use and ask a doctor if nervousness, dizziness or sleeplessness occur symptoms do not improve within 7 days or are accompanied by fever new symptoms occur If pregnant or breast-feeding, ask a health professional before use. Keep out of reach of children. In case of accidental overdose, seek professional help or contact a Poison Control Center immediately.
Current FDA labels (DailyMed)
- STAHIST AD (CHLORCYCLIZINE HYDROCHLORIDE AND PSEUDOEPHEDRINE HYDROCHLORIDE) TABLET [MAGNA PHARMACEUTICALS, INC.]
- AHIST (CHLORCYCLIZINE HYDROCHLORIDE) TABLET [MAGNA PHARMACEUTCALS, INC.]
- BICLORA (CHLOPHEDIANOL HYDROCHLORIDE, CHLORCYCLIZINE HYDROCHLORIDE) LIQUID [PHYSICIANS TOTAL CARE, INC.]
- BONINE KIDS (CHLORCYCLIZINE HYDROCHLORIDE) TABLET, CHEWABLE [INSIGHT PHARMACEUTICALS]
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.