Is phenergan useful to treat cough due to common cold?

Phenergan should not be given to a child younger than 2 years old. Phenergan can cause severe breathing problems or death in a child younger than 2. Carefully follow your doctor's instructions when giving this medicine to a child of any age. Do not use Phenergan if you have severe asthma, emphysema, or other breathing problem, or if you are allergic to Phenergan or other phenothiazines such as chlorpromazine (Thorazine), fluphenazine (Permitil), perphenazine (Trilafon), prochlorperazine (Compazine, Compro), thioridazine (Mellaril), or trifluoperazine (Stelazine).

If you have certain conditions, you may need a dose adjustment or special tests to safely use Phenergan. Before you take Phenergan, tell your doctor if you have:

Expand this post...

a history of seizures;
heart disease or high blood pressure;
liver or kidney disease;
severe asthma, emphysema, chronic obstructive pulmonary disease (COPD) or other breathing problem;
sleep apnea (breathing stops during sleep);
glaucoma;
a stomach ulcer or digestive obstruction;
bone marrow depression;
adrenal gland tumor (pheochromocytoma);
enlarged prostate or problems with urination;
low levels of calcium in your blood (hypocalcemia); or
if you have ever had a serious side effect while using Phenergan or any other phenothiazine.
FDA pregnancy category C. It is not known whether Phenergan is harmful to an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant during treatment. It is not known whether Phenergan passes into breast milk or if it could harm a nursing baby. Do not use Phenergan without telling your doctor if you are breast-feeding a baby. Older adults may be more likely to have side effects from Phenergan.