Dextromethorphan and promethazine and Tyvaso

• Generic Name: dextromethorphan / promethazine
• Dosage Forms: n.a.
• Other Brand Names: Promethazine with Dextromethorphan, Promethazine with DM, Phenergan with Dextromethorphan, Promethazine DM

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

Promethazine is an antihistamine. It blocks the effects of the naturally occurring chemical histamine in your body.

The combination of dextromethorphan and promethazine used to treat cough, itching, runny nose, sneezing, and itchy or watery eyes caused by colds or allergies.

Dextromethorphan will not treat a cough that is caused by smoking, asthma, or emphysema.

Dextromethorphan and promethazine may also be used for purposes other than those listed in this medication guide.

• Generic Name: treprostinil
• Dosage Forms: inhalation solution
• Other Brand Names: Tyvaso, Tyvaso Refill Kit, Tyvaso Starter Kit, Orenitram, Remodulin

Tyvaso (treprostinil) dilates (widens) the arteries and decreases the amount of blood clotting platelets in your body. These effects lower blood pressure in the pulmonary artery that leads from the heart to the lungs.

Tyvaso is used to treat pulmonary arterial hypertension (PAH). This medicine improves your ability to exercise and can help prevent your condition from getting worse.

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