Allanhist PDX Syrup and Oxtriphylline and guaifenesin

• Generic Name: brompheniramine / dextromethorphan / guaifenesin / phenylephrine
• Dosage Forms: n.a.
• Other Brand Names: AccuHist PDX Syrup, Allanhist PDX Syrup, Bromhist-PDX, EndaCof-PD, Uni-Hist PDX Syrup

Brompheniramine 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.

Dextromethorphan is a cough suppressant. It affects the signals in the brain that trigger cough reflex.

Guaifenesin is an expectorant. It helps loosen congestion in your chest and throat, making it easier to cough out through your mouth.

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

Allanhist PDX Syrup is a combination medicine used to treat cough, runny or stuffy nose, sneezing, itching, and watery eyes caused by allergies, the common cold, or the flu.

Allanhist PDX Syrup will not treat a cough that is caused by smoking, asthma, or emphysema.

Allanhist PDX Syrup may also be used for purposes not listed in this medication guide.

• Generic Name: guaifenesin / oxtriphylline
• Dosage Forms: n.a.
• Other Brand Names:

Oxtriphylline and guaifenesin combination is used to treat or prevent the symptoms of asthma or to treat chronic bronchitis and emphysema. Oxtriphylline and guaifenesin relieves cough, wheezing, shortness of breath, and troubled breathing. It works by opening up the bronchial tubes (air passages of the lungs) and increasing the flow of air through them.

Oxtriphylline and guaifenesin is available only with your doctor's prescription.