What is promethazine?
Promethazine is in a group of drugs called phenothiazines (Feen-A-Tai-oh-zeens). It works by changing the actions of chemicals in the brain. Promethazine is acting antihistamines. It blocks the effects of natural chemical histamine in the body.
Promethazine is used to treat allergy symptoms such as itching, runny nose, sneezing, itchy or watery eyes, hives, rashes and itchy skin.
Promethazine also prevents after nausea and nausea and vomiting, pain treatment or surgery. It is also used as a sedative and hypnotic.
Promethazine not intended for the treatment of asthma, pneumonia and other lower respiratory tract infections.
Important information for promethazine
Stop using promethazine and call your doctor if you have twitching or uncontrollable movements of the eyes, lips, tongue, face, arms or legs. This can be an early sign of dangerous side effects. Promethazine should not be given to children younger than 2 years. Promethazine can cause severe breathing problems or death in children younger than 2 - Carefully follow your doctor's instructions for taking medication for children of any age. Promethazine can cause side effects that may impair your thinking or reactions. Be careful if you drive or do anything that requires you to be awake and alert. Avoid alcohol, which can increase some of the side effects of promethazine. Many other medicines can interact with promethazine. Tell your doctor about all the prescription and use of over-the-counter medications. This includes vitamins, minerals, herbal products, and drugs prescribed by other doctors. Do not start using a new medication without talking to your doctor. With a list of all the medicines you use and show this list to all doctor or other healthcare provider who treats you.
Having regard to the prevention and treatment of asthma.
Before taking promethazine
Promethazine should not be given to children younger than 2 years. Promethazine can cause severe breathing problems or death in children younger than 2 - Carefully follow your doctor's instructions for taking medication for children of any age. Do not use this medication if you have severe asthma, emphysema, or other breathing problems, or if allergic to promethazine or to other phenothiazines such as chlorpromazine (Thorazine), fluphenazine (Permitil), perphenazine (Trilafon), prochlorperazine (Compazine, compromise), thioridazine (Mellaril), or trifluoperazine (Stelazine).
If you have certain conditions, you need a dose adjustment or special tests to safely use this medication. Before you take promethazine, tell your doctor if:
cardiac disease or hypertension;
- liver or kidney disease,
severe asthma, emphysema, chronic obstructive pulmonary disease (COPD) or other respiratory problems;
Sleep apnea (breathing stops during sleep);
stomach ulcer or digestive ileus;
Bone marrow depression;
adrenal gland tumor (pheochromocytoma);
an enlarged prostate or difficulty urinating;
low blood calcium levels (hypocalcemia), or
If ever there was a serious side effect while using promethazine or any other phenothiazine.
FDA pregnancy category C. Is not known whether promethazine 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 the promethazine passes into breast milk or if it could harm nursing baby. Do not use this medication without potent your doctor if you are breast-feeding a baby. Older people are more likely side effects of promethazine.
How to promethazine?
Take promethazine exactly as directed by your doctor. Do not remove large amounts or over long periods. Follow the directions on your prescription label.
Your doctor may occasionally change your dose to make sure you get the best results from medication.
Promethazine can be taken with or without food or milk.
Measure liquid medicine spoon or medicine cup significant, not with a regular tablespoon. If you do not have a dose-measuring device, ask your pharmacist for one.
Call your doctor if your symptoms do not improve or if they get worse, and promethazine.
This medication can cause unusual results that certain medical tests. Tell any doctor who treats you are taking promethazine.
Promethazine at room temperature away from moisture, heat and light.
What happens if I miss a dose?
Take the missed dose as soon as you remember. If it is almost time for your next dose, skip the missed dose and take the medicine at the next regularly scheduled time. Do not take extra medicine to take for a missed dose.
What happens if I overdose?
Seek immediate medical attention if you think you used too much of this medicine. Symptoms of overdose may include severe drowsiness, dizziness, dry mouth, large pupils, flushing, nausea, vomiting, shallow breathing, and fainting.
What should I avoid while promethazine?
Promethazine can cause side effects that may impair your thinking or reactions. Be careful if you drive or do anything that requires you to be awake and alert. Avoid too fast from sitting or lying position, or you may feel dizzy. Get a slowly lean back to avoid falling. Avoid alcohol. It can increase some of the side effects of promethazine. Avoid sunlight or tanning beds. Promethazine may make your skin sensitive to sunlight and sunburn may result. Sunscreen (SPF 15 or higher) and protective clothing if you must be outdoors.
What other drugs affect promethazine?
Cold or allergy medicine, sedatives, narcotic pain medicine, sleeping pills, muscle relaxers, and medicine seizures, depression or anxiety can interact with promethazine, which increases the health problems or side effects. Tell your doctor if you regularly use these drugs.
Also tell your doctor if you take the following medicines:
lithium (Eskalith, Lithobid);
atropine (Atreza, Sal-Tropin) Belladonna (Donnatal, etc.), benztropine (Cogentin), dimenhydrinate (Dramamine) methscopolamin (Pamina), or scopolamine (Transderm-Scop);
hypertension drugs such as guanadrel (hylorel), guanethidine (Ismelin), propranolol (Inderal), and others;
a blood thinner such as warfarin (Coumadin);
bronchodilators such as ipratropium (Atrovent) and tiotropium (Spiriva);
bladder or urinary tract drugs, such as oxybutynin (Ditropan, Oxytrol), solifenacin (Vesicare) and others;
MAO inhibitors such as isocarboxazid (Marplan), tranylcypromine (Parnate), phenelzine (Nardil), or selegiline (Eldepryl, Emsam), or
medicines to treat Parkinson's disease, restless leg syndrome, or pituitary gland tumor (prolactinoma) or
drugs, gastric ulcer or irritable bowel syndrome, such as dicyclomine (Bentyl), glycopyrrolate (Robinul), hyoscyamine (Anaspaz, Cystospaz, Levsin, and others), mepenzolate (Cantil), or propantheline (Pro-Banthine) for the treatment.
This list is not complete and other drugs may interact with promethazine. Tell your doctor of all prescription and non-prescription medicines, vitamins, minerals, herbal products, and drugs prescribed by other doctors. Do not start a new medication without talking to your doctor. With a list of all the medicines you use and show this list to all doctor or other healthcare provider who treats you.