ATNAA and Bromhist-PDX Syrup

• Generic Name: atropine / pralidoxime
• Dosage Forms: injection
• Other Brand Names: ATNAA, DuoDote

Atropine blocks the action of a certain chemical that may reach high levels in the body after a poisoning. Atropine also stimulates the heart and reduces the secretions of the nose, mouth, and lungs to improve breathing.

Pralidoxime reverses muscle weakness or paralysis caused by a poison or nerve agent.

ATNAA is a combination medicine used as an antidote to treat poisoning by a pesticide (insect spray) or a chemical that interferes with the central nervous system, such as nerve gas.

ATNAA is not effective as an antidote for all types of pesticide poisonings. You may need medications or additional treatments.

ATNAA may also be used for purposes not listed in this medication guide.

• Generic Name: brompheniramine / dextromethorphan / guaifenesin / phenylephrine
• Dosage Forms: syrup
• 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).

Bromhist-PDX 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.

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

Bromhist-PDX may also be used for purposes not listed in this medication guide.