#
Chlorcyclizine and pseudoephedrine
  • Treatments
  • Nasal Congestion

Chlorcyclizine and pseudoephedrine

Generic name: chlorcyclizine and pseudoephedrine [ klor-SIK-li-zeen-and-SOO-doe-ee-FED-rin ]
Brand names: NasOpen, Stahist AD
Dosage forms: oral liquid (9.375 mg-30 mg/5 mL); oral tablet (25 mg-60 mg)
Drug class:Upper respiratory combinations

Medically reviewed by Drugs.com on Dec 27, 2021. Written by Cerner Multum.

What is chlorcyclizine-pseudoephedrine?

Chlorcyclizine is an antihistamine that reduces the effects of natural chemical histamine in the body. Histamine can produce symptoms of sneezing, itching, watery eyes, and runny nose.

Pseudoephedrine is a decongestant that shrinks blood vessels in the nasal passages. Dilated blood vessels can cause nasal congestion (stuffy nose).

Chlorcyclizine and pseudoephedrine is a combination medicine used to treat runny or stuffy nose, sneezing, itching, watery eyes, sinus congestion, and other cold or allergy symptoms.

Chlorcyclizine and pseudoephedrine may also be used for purposes not listed in this medication guide.

Warnings

Do not use chlorcyclizine and pseudoephedrine if you have used an MAO inhibitor in the past 14 days. A dangerous drug interaction could occur. MAO inhibitors include isocarboxazid, linezolid, methylene blue injection, phenelzine, rasagiline, selegiline, tranylcypromine, and others.

Before taking this medicine

You should not use chlorcyclizine and pseudoephedrine if you are allergic to chlorcyclizine or pseudoephedrine.

Do not use chlorcyclizine and pseudoephedrine if you have used an MAO inhibitor in the past 14 days. A dangerous drug interaction could occur. MAO inhibitors include isocarboxazid, linezolid, methylene blue injection, phenelzine, rasagiline, selegiline, tranylcypromine, and others.

Ask a doctor or pharmacist if it is safe for you to take this medicine if you have other medical conditions, especially: