A: Generally acceptable. Pregnancy category: C. Lactation: Not recommended. Examples of these drugs include:Promethazine can cause severe drowsiness.

Tell your doctor if you are pregnant or plan to become pregnant while using this medicine. This can help keep levels of this drug from building up too much in your body.It has not been confirmed that promethazine is safe and effective for use in children younger than 2 years.The liver, kidneys, and hearts of older adults may not work as well as they used to. This increases your risk of side effects.Your doctor may start you on a lower dose or a different medication schedule. Histamine is normally released when you’re exposed to things you’re allergic to, such as pollen, dander, mold, or chemicals.By preventing the release of histamine, this drug causes sleepiness and helps with pain control. Examples of these drugs include:When you take certain stomach and gastrointestinal drugs with promethazine, certain side effects may increase and last longer.
Promethazine falls into category C. Studies in animals have shown a harmful and undesired effect on the unborn baby, yet there are no adequate and well-controlled studies in pregnant women. This can cause your body to process drugs more slowly. As a result, more of a drug stays in your body for a longer time. This can help keep levels of this drug from building up too much in your body.It has not been confirmed that promethazine is safe and effective for use in children younger than 2 years.The liver, kidneys, and hearts of older adults may not work as well as they used to. Harmful effects on the children’s learning and behavior were not seen. It may do the same for a nursing baby. Thank you again!" This can cause your body to process drugs more slowly. These side effects include dry mouth, constipation, trouble emptying your bladder, blurred vision, and drowsiness. To avoid this, don’t drink alcohol while you’re taking this drug.Talk to your doctor if you’re pregnant or planning to become pregnant. March 23, 2020 LA JOLLA, CA –A new study conducted by birthHelp us help women and their healthcare providers as they make treatment choices in pregnancy and while breastfeeding. It can also cause other side effects.The more common side effects that can occur with promethazine oral tablet include:If these effects are mild, they may go away within a few days or a couple of weeks. This information should not take the place of medical care and advice from your healthcare provider.Promethazine is a medication that is used to treat nausea and vomiting, motion sickness, and allergies. Your dosage, drug form, and how often you take the drug will depend on:It has not been confirmed that promethazine is safe and effective for use in children younger than 2 years.The liver, kidneys, and hearts of older adults may not work as well as they used to. FDA pregnancy category C. It is not known whether promethazine will harm an unborn baby. Pregnancy Category C is given to medicines that have not been studied in pregnant humans but that do appear to cause harm to the fetus in animal studies. For pregnant women: Promethazine is a category C pregnancy drug. This increases your risk of side effects.Your doctor may start you on a lower dose or a different medication schedule. Some may be better suited for you than others. Phenergan side effects in pregnancy may also be potential for the mother. These side effects include dry mouth, constipation, trouble emptying your bladder, blurred vision, and drowsiness.