See also Warning section.
Before taking Promethazine (promethazine) 25mg, tell your doctor or pharmacist if you are allergic to it; or to any other phenothiazines (e.g., prochlorperazine); or if you have any other allergies.
Promethazine (promethazine) 25mg should not be given to a person who is unconscious.
Promethazine (promethazine) 25mg should not be used if you have certain medical conditions. Before using this medicine, consult your doctor or pharmacist if you have: certain lung/breathing problems (e.g., asthma, chronic obstructive pulmonary disease-COPD, sleep apnea).
Before using Promethazine (promethazine) 25mg, tell your doctor or pharmacist your medical history, especially of: blood/immune system problems (e.g., bone marrow depression), a certain eye problem (narrow-angle glaucoma), heart disease (e.g., angina, irregular heartbeat), high blood pressure, liver disease, certain nervous system problems (e.g., neuroleptic malignant syndrome, Reye's syndrome), seizure, stomach/bowel problems (e.g., blockage, ulcer disease), sun sensitivity when using other medications, urination problems (e.g., due to enlarged prostate, blockage).
Promethazine (promethazine) 25mg may make you dizzy or drowsy or cause blurred vision; use caution engaging in activities requiring alertness or clear vision such as driving or using machinery. Avoid alcohol use. Children should be supervised to avoid injury during bicycle riding or other possibly hazardous activities.
Promethazine (promethazine) 25mg may make you more sensitive to the sun. Avoid prolonged sun exposure, tanning booths, and sunlamps. Use a sunscreen and wear protective clothing when outdoors.
Promethazine (promethazine) 25mg can reduce sweating, making you more likely to get heat stroke. Avoid strenuous work/exercise, drink plenty of fluids, and dress lightly while in hot weather.
Liquid products may contain sugar and alcohol. Caution is advised if you have diabetes, alcohol dependence, liver disease, or any other condition that requires you to limit/avoid these substances in your diet. Ask your doctor or pharmacist about using this product safely.
Caution is advised when using Promethazine (promethazine) 25mg in the elderly because they may be more sensitive to its effects, especially confusion and drowsiness.
Caution is advised when using Promethazine (promethazine) 25mg in children because they may be more sensitive to its effects, especially slowed breathing (see Warning section). Special caution should be taken in children who have lost a lot of fluid (dehydration), those who have a family history of sudden infant death syndrome (SIDS), and those who are hard to wake up from sleep.
Promethazine (promethazine) 25mg should be used only when clearly needed during pregnancy. Discuss the risks and benefits with your doctor.
It is unknown whether Promethazine (promethazine) 25mg passes into breast milk. It may have undesirable effects on a nursing infant. Therefore, breast-feeding while using Promethazine (promethazine) 25mg is not recommended. Consult your doctor before breast-feeding.
IMPORTANT NOTE: The preceding information is intended to heighten awareness of health information and does not suggest diagnosis or treatment. This information is not a substitute for individual medical attention and should not be construed to indicate that use of the drug is safe, appropriate, or effective for you. See your health care professional for medical advice and treatment.
Store at room temperature between 68-77 degrees F (20-25 degrees C) away from light and moisture. Do not store in the bathroom. Keep all medicines away from children and pets.
Do not flush medications down the toilet or pour them into a drain unless instructed to do so. Properly discard this product when it is expired or no longer needed. Consult your pharmacist or local waste disposal company for more details about how to safely discard your product.
IMPORTANT NOTE: The preceding information is intended to heighten awareness of health information and does not suggest diagnosis or treatment. This information is not a substitute for individual medical attention and should not be construed to indicate that use of the drug is safe, appropriate, or effective for you. See your health care professional for medical advice and treatment.
Take Promethazine (promethazine) 25mg by mouth with or without food, usually 4 times daily as needed or as directed by your doctor. For motion sickness, Promethazine (promethazine) 25mg should be taken 30-60 minutes before beginning travel. If needed, the dose may be repeated 8 to 12 hours later as directed. For continued travel, your doctor may direct you to take Promethazine (promethazine) 25mg twice a day, in the morning and before the evening meal. For allergies, Promethazine (promethazine) 25mg may be taken at bedtime to decrease daytime drowsiness. When used before surgery, Promethazine (promethazine) 25mg may be taken the night before or just before the procedure and may be continued afterwards.
If you are using the liquid form, use a medication measuring device to carefully measure the prescribed dose. Do not use a household spoon because you may not get the correct dose.
Dosage of Promethazine (promethazine) 25mg is based on your age, medical condition, and response to therapy. Take Promethazine (promethazine) 25mg exactly as directed to get the most benefit from it. Do not take more medication or take it more often than prescribed. Ask your doctor or pharmacist if you have questions.
Inform your doctor if your condition does not improve or if it worsens.
IMPORTANT NOTE: The preceding information is intended to heighten awareness of health information and does not suggest diagnosis or treatment. This information is not a substitute for individual medical attention and should not be construed to indicate that use of the drug is safe, appropriate, or effective for you. See your health care professional for medical advice and treatment.
Drowsiness, dizziness, constipation, blurred vision, or dry mouth may occur. If any of these effects persist or worsen, notify your doctor.
Some people, particularly children, may experience excitability rather than drowsiness.
Remember that your doctor has prescribed Promethazine (promethazine) 25mg because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using Promethazine (promethazine) 25mg do not have serious side effects.
Tell your doctor immediately if any of these unlikely but serious side effects occur: lack of coordination, severe dizziness, ringing ears, fainting, slow heartbeat, mental/mood changes (e.g., hallucinations, nervousness, irritability), involuntary movements (e.g., fixed upward stare, neck twisting, tongue movements), restlessness, shaking (tremor), decreased/painful urination, weakness, vision changes (e.g., double vision).
Stop taking Promethazine (promethazine) 25mg and seek immediate medical attention if any of these rare but very serious side effects occur: slow/shallow breathing, signs of infection (e.g., fever, persistent sore throat), severe abdominal pain, persistent nausea/vomiting, easy bleeding/bruising, yellowing eyes/skin, dark urine.
Promethazine (promethazine) 25mg may infrequently cause a very serious (rarely fatal) nervous system disorder (neuroleptic malignant syndrome). If you notice any of the following unlikely but very serious side effects, stop taking Promethazine (promethazine) 25mg and seek immediate medical attention: severe muscle stiffness, mental/mood changes (e.g., sudden confusion, extreme drowsiness), very high fever, seizures, irregular/fast heartbeat, increased sweating.
A very serious allergic reaction to Promethazine (promethazine) 25mg is unlikely, but stop taking Promethazine (promethazine) 25mg and seek immediate medical attention if it occurs. Symptoms of a serious allergic reaction include: rash, itching, swelling, severe dizziness, trouble breathing.
This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.
Contact your doctor for medical advice about side effects. The following numbers do not provide medical advice, but in the US you may report side effects to the Food and Drug Administration (FDA) at 1-800-FDA-1088. In Canada, you may call Health Canada at 1-866-234-2345.
Click HERE to learn more about Promethazine side effects.
IMPORTANT NOTE: The preceding information is intended to heighten awareness of health information and does not suggest diagnosis or treatment. This information is not a substitute for individual medical attention and should not be construed to indicate that use of the drug is safe, appropriate, or effective for you. See your health care professional for medical advice and treatment.
Not applicable.
IMPORTANT NOTE: The preceding information is intended to heighten awareness of health information and does not suggest diagnosis or treatment. This information is not a substitute for individual medical attention and should not be construed to indicate that use of the drug is safe, appropriate, or effective for you. See your health care professional for medical advice and treatment.
Your healthcare professionals (e.g., doctor or pharmacist) may already be aware of any possible drug interactions and may be monitoring you for them. Do not start, stop or change the dosage of any medicine before checking with them first.
Promethazine (promethazine) 25mg should not be used with the following medications because very serious interactions may occur: epinephrine for low blood pressure, metrizamide, sibutramine.
If you are currently using any of these medications listed above, tell your doctor or pharmacist before starting Promethazine (promethazine) 25mg.
Before using Promethazine (promethazine) 25mg, tell your doctor or pharmacist of all prescription and nonprescription/herbal products you may use, especially: anticholinergics (e.g., benztropine, belladonna alkaloids), cancer chemotherapy (e.g., methotrexate), guanethidine, guanadrel.
Tell your doctor or pharmacist if you have taken MAO inhibitors (e.g., furazolidone, isocarboxazid, linezolid, moclobemide, phenelzine, procarbazine, selegiline, tranylcypromine) within 2 weeks before, during or after taking Promethazine (promethazine) 25mg.
Tell your doctor or pharmacist if you also take drugs that cause drowsiness such as: certain antihistamines (e.g., diphenhydramine), anti-seizure drugs (e.g., carbamazepine), medicine for sleep or anxiety (e.g., alprazolam, diazepam, zolpidem), muscle relaxants, narcotic pain relievers (e.g., codeine), psychiatric medicines (e.g., chlorpromazine, risperidone, trazodone).
Check the labels on all your medicines (e.g., cough-and-cold products) because they may contain drowsiness-causing ingredients or other antihistamines. Ask your pharmacist about the safe use of those products.
Also report the use of drugs which might increase seizure risk (decrease seizure threshold) when combined with Promethazine (promethazine) 25mg such as bupropion, isoniazid (INH), phenothiazines (e.g., thioridazine), theophylline, tramadol, or tricyclic antidepressants (e.g., amitriptyline), among others. Consult your doctor or pharmacist for details.
Promethazine (promethazine) 25mg may interfere with certain laboratory tests (including some pregnancy tests, blood sugar tests, skin test for allergies), possibly causing false test results. Make sure laboratory personnel and all your doctors know you use Promethazine (promethazine) 25mg.
This document does not contain all possible interactions. Therefore, before using this product, tell your doctor or pharmacist of all the products you use. Keep a list of all your medications with you, and share the list with your doctor and pharmacist.
IMPORTANT NOTE: The preceding information is intended to heighten awareness of health information and does not suggest diagnosis or treatment. This information is not a substitute for individual medical attention and should not be construed to indicate that use of the drug is safe, appropriate, or effective for you. See your health care professional for medical advice and treatment.