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What should I know about promethazine injection before using it?

There are certain precautions you should be aware of before taking the promethazine injection. It may cause harmful reactions if you have a history of certain medical conditions, including cancer, high blood pressure, glaucoma, seizures, diabetes, liver, heart or kidney disease, difficulty with breathing or urination, stomach problems, an overactive thyroid or a bone marrow disorder. Similarly, promethazine may interact poorly with certain medications, such as muscle relaxers, painkillers, MAO inhibitors, epinephrine (adrenaline), blood thinners, drugs that make you sleepy (sleeping pills, sedatives, etc.), medicines that treat high blood pressure, Parkinson's disease, depression, anxiety, ulcers, motion sickness, irritable bowel disease, urinary disorders, restless leg syndrome, pituitary gland tumors, spasms or mental illness. It may also interact with other medications that treat cold and allergy symptoms.

If you are pregnant or breastfeeding, you should alert your doctor, as promethazine may cause damage to your child's health. Also be aware that the promethazine injection may cause serious side effects, ranging from fatigue and lightheadedness to seizures and hallucinations. Additionally, you should not drink alcohol while taking the medication. Certain laboratory tests may be affected by promethazine, so let your doctor or lab technician know you are taking it. To prevent tissue damage, a promethazine injection should be injected deep into the muscle rather than into an artery or under the skin. Finally, you should know that the promethazine injection solution is sensitive to light and should not be used if it turns a color or contains particles.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.