Methylnaltrexone bromide and Nalex-A

• Generic Name: methylnaltrexone
• Dosage Forms: n.a.
• Other Brand Names: Relistor

Methylnaltrexone bromide is used to treat constipation caused by opioids (narcotic pain medicines), in adults with long-lasting pain that is not caused by cancer, or in patients with long-lasting pain caused by a previous cancer or its treatment who do not need weekly increases in opioid dosage.

Methylnaltrexone bromide is available only with your doctor's prescription.

• Generic Name: chlorpheniramine / phenylephrine / phenyltoloxamine
• Dosage Forms: n.a.
• Other Brand Names: Chlorex A, Nalex-A, NoHist-A, West-Decon M, Comhist, Comhist LA, Q-Hist LA, Chlortox, Linhist-LA, C-Hist-SR, Nalex-A SR, Coldex, Rhinacon A

Chlorpheniramine and phenyltoloxamine are antihistamines that reduce the effects of natural chemical histamine in the body. Histamine can produce symptoms of sneezing, itching, watery eyes, and runny nose.

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

Nalex-A 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.

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

Nalex-A may also be used for purposes not listed in this medication guide.