Phenergan is used to treat allergy symptoms such as itching, runny nose, sneezing, itchy or watery eyes, hives, and itchy skin rashes. Phenergan also prevents motion sickness, and treats nausea and vomiting or pain after surgery. It is also used as a sedative or sleep aid.Also, how long does it take for Phenergan to kick in?
Promethazine will start to make you feel sleepy around 20 minutes after you take it and may work for up to 12 hours. If you're taking it for a cough or cold, allergies or nausea, your symptoms should start to improve within 20 minutes. The medicine should work for around 4 to 6 hours.
Subsequently, question is, is it safe to take Phenergan every day? Take this medication by mouth with or without food as directed by your doctor, usually 2 to 4 times daily. For motion sickness, the first dose of promethazine should be taken 30 to 60 minutes before beginning travel. For allergies, this medication may be taken once daily at bedtime to avoid being drowsy during the day.
Likewise, how much phenergan gel can I take?
The average effective dose of Phenergan for the active therapy of nausea and vomiting in children or adults is 25 mg. When oral medication cannot be tolerated, the dose should be given parenterally (cf.
Does Phenergan help with anxiety?
Promethazine oral tablet is available as a generic drug only. Promethazine oral tablet is used to treat several conditions, such as allergies, motion sickness, nausea and vomiting, anxiety before surgery, and pain after surgery. It's also used as a sleep aid, including before and after surgery.
Is Phenergan bad for your kidneys?
However, elderly patients may be more sensitive to the side effects of this medicine (such as confusion and severe drowsiness) than in younger adults, and are more likely to have age-related heart or blood vessel disease, liver problems, and kidney disease, which may require adjustment of dosage in patients receivingDoes Phenergan help you sleep?
Phenergan (promethazine) belongs to a group of drugs called phenothiazines. It works by changing the actions of chemicals in your brain. Phenergan also prevents motion sickness, and treats nausea and vomiting or pain after surgery. It is also used as a sedative or sleep aid.How long does 25 mg Phenergan last?
by Drugs.com Promethazine will be mostly out of your system in two to four days . The elimination half-life of a medication is the time it takes for blood levels of the medication to be reduced by half. For Promethazine the half-life is approximately 10 to 19 hours.What is the difference between Zofran and Phenergan?
Zofran and Phenergan belong to different drug classes. Zofran is an antiemetic (anti-nausea and vomiting) and selective 5-HT3 receptor antagonist and Phenergan is an antihistamine. Side effects of Zofran and Phenergan that are similar include dizziness, drowsiness, constipation, and blurred vision.Can I take Phenergan long term?
The effect usually is restricted to areas of the body exposed to sunlight. Thus, people who need long-term treatment with promethazine should either keep out of the sun or use effective sunscreens. Phenothiazines can cause blurred vision, difficulty with nighttime vision, or changes in color vision.Does Phenergan affect blood pressure?
Cardiovascular – Increased or decreased blood pressure, tachycardia, bradycardia, faintness. Dermatologic – Dermatitis, photosensitivity, urticaria. Hematologic – Leukopenia, thrombocytopenia, thrombocytopenic purpura, agranulocytosis. Gastrointestinal – Dry mouth, nausea, vomiting, jaundice.How much Phenergan should I take to sleep?
Adults and teenagers—12.5 milligrams (mg) before meals and at bedtime; or 25 mg at bedtime as needed. Children 2 years of age and older—Your doctor will determine dose based on the weight and/or size of the child. The dose is usually 6.25 to 12.5 mg three times a day; or 25 mg at bedtime as needed. 
