Dextromethorphan, guaifenesin, and pseudoephedrine and SPB11

• Generic Name: dextromethorphan / guaifenesin / pseudoephedrine
• Dosage Forms: n.a.
• Other Brand Names: Altarussin CF, Capmist DM, Despec DM, Entre-Cough, Maxifed DMX, Robitussin Cold and Cough, Tusnel, Medi-Tussin Cough/Cold, Tussin Cold/Congestion, Poly-Vent DM, Tusnel-DM Pediatric Drops

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.

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

Dextromethorphan, guaifenesin, and pseudoephedrine is a combination medicine used to treat cough, stuffy nose, sinus congestion and chest congestion caused by allergies, the common cold, or the flu.

dextromethorphan, guaifenesin, and pseudoephedrine will not treat a cough that is caused by smoking, asthma, or emphysema.

Dextromethorphan, guaifenesin, and pseudoephedrine may also be used for purposes not listed in this medication guide.

• Generic Name: sodium phenylbutyrate
• Dosage Forms: oral powder
• Other Brand Names: Buphenyl

Sodium phenylbutyrate is used together with a proper diet to help treat urea cycle disorders (including a specific liver enzyme deficiency) that help remove ammonia (nitrogen) from the body.

Ammonia is formed from the breakdown of protein in the body. If the ammonia cannot be removed by the body, then a buildup may cause serious unwanted effects. This medicine works by helping to reduce high levels of ammonia in the blood.

This medicine is available only with your doctor's prescription.