Along with its needed effects, a medicine may cause some unwanted effects. Despite the possibility that not all of these side effects will manifest, if they do, medical attention may be required. Check with your doctor or nurse immediately if any of the following side effects occur: Convulsions (seizures), difficulty breathing, unusually quick heartbeat, irregular pulse, high fever, increased sweating, loss of bladder control, severe muscle stiffness, unusually pale skin, unusual tiredness, or weakness unidentified incidence Rare
Tell your physician if you are also taking any of the following medications: Phenergan may interact with cold or allergy medications, sedatives, narcotic painkillers, sleeping aids, muscle relaxants, and drugs for seizures, depression, or anxiety, which may result in health issues or worsen side effects. If you frequently take any of these drugs, let your doctor know.
A decrease in bone marrow. Phenergan should not be administered to children under the age of two. When using Phenergan, discuss with your doctor your personal level of risk for developing seizures. Before you know how Phenergan affects you, avoid operating heavy machinery or driving. If you are allergic to Phenergan or any of its ingredients, you are under the age of two, or you have symptoms of the lower respiratory tract, you should not take Phenergan. It can also cause blurred vision, drowsiness, dizziness, and/or disorientation. If you experience any of these signs, stop using the product right away and seek medical help. When Phenergan is taken with other drugs that are harmful to the bone marrow, leukopenia and agranulocytosis have been reported. With the use of Phenergan, neuroleptic malignant syndrome (NMS) has been documented. malignant neuroleptic syndrome. When a person has bone marrow depression, phenergan should be used cautiously. Phenergan should not be administered to children under the age of two because it can cause breathing problems that can be fatal. Respiratory depression is one of the serious side effects of Phenergan that have been reported. When using Phenergan, particularly when it is injected IV directly into a vein, severe tissue damage may occur. severe tissue damage. Severe fever, rigidity of the muscles, mental confusion, an irregular pulse, a rapid heartbeat, and/or excessive sweating are all signs of NMS. Tell your doctor right away if you experience any of the following signs and symptoms: burning or pain at or near the injection site; redness at or near the injection site; swelling at or near the injection site; loss of sensation at or near the injection site; paralysis; blackened/dead tissue at or near the injection site; seizures. In people with seizure disorders, Phenergan should only be used with caution as it has the potential to lower the threshold for seizures.