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Phenergan 10mg tablets are indicated for the relief of allergic conditions. Phenergan can also be used to ease motion sickness, helping to prevent nausea so you can enjoy your trip without feeling sick and uncomfortable. Finally, Phenergan can be used as a short-term remedy for insomnia, or difficulty sleeping, helping you to drift off into a good night’s sleep.
Phenergan 10mg tablets are indicated: For short term use:
To treat adults with difficulty sleeping (insomnia)
To treat allergic conditions such as hay fever or rashes (like nettle rash or hives)
To treat or stop you feeling sick (nausea) or being sick (vomiting) such as travel sickness
For short term use: as a sedative for children aged 5 years and above
How can the active ingredient promethazine hydrochloride help me?
The active ingredient in Phenergan is promethazine hydrochloride, which is an antihistamine that belongs to a group of medicines known as phenothiazines. When you have an allergic reaction, your body creates a natural substance called histamine. Histamine sends signals around your body that trigger symptoms of allergy, such as a runny nose or watery eyes. Antihistamines work by blocking histamine, which prevents your symptoms so you won't have to tolerate an allergic reaction.
How long does Phenergan make you sleepy?
Promethazine (the active ingredient in Phenergan) 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 symptoms, allergies or nausea, your symptoms should start to improve within 20 minutes. The medicine should work for around 4 to 6 hours. Please take note of dosage requirements.
Is Phenergan good for sleep?
Phenergan also works directly on the brain to help you feel more relaxed. Many people find Phenergan helps them when travelling with motion sickness. Phenergan Tablets are used to treat the following conditions: For short term use: to treat adults with difficulty sleeping (insomnia).
Approved by Sumaiya Patel- Pharmacist on the 08/04/2021.
For more information, view our medical team
How to take Phenergan 10mg tablets
For allergies (such as hay fever, rashes and hives)
Children 2-5 years: Phenergan Elixir should be given in this age group
Children 5-10 years: A single dose of either one or two tablets (10mg or 20mg) given at night or one tablet (10mg) given twice a day. DO NOT give more than two tablets (20mg) each day
Children over 10 years and adults (including the elderly): Start with one tablet (10mg) twice a day This may be increased to a maximum of two tablets (20mg) three times a day
For treatment and prevention of feeling sick or being sick (such as travel sickness)
Children 2-5 years: Phenergan Elixir should be given in this age group
Children 5-10 years: A single tablet to be taken the night before the journey. This may be repeated after 6-8 hours if necessary
Children over 10 years and adults (including the elderly): Two tablets (20mg) to be taken the night before the journey. This may be repeated after 6-8 hours if necessary
As a short-term paediatric sedative and for short term treatment of insomnia in adults
Children 2-5 years: Phenergan Elixir should be given in this age group
Children 5-10 years: Two tablets (20mg) given as a single dose at nighttime
Children over 10 years and adults (including the elderly): Two to five tablets (20mg to 50mg) as a single dose at nighttime If you have taken too many tablets, contact a doctor as soon as possible
Do not take this medicine if:
The person taking the medicine is under 5 years of age
You are allergic (hypersensitive) to promethazine hydrochloride or any of the other ingredients of Phenergan Tablets. The signs of an allergic reaction include: a rash, swallowing or breathing problems, swelling of your lips, face, throat or tongue.
You are taking a medicine for depression called a monoamine oxidase inhibitor (MAOI). Also do not take Phenergan Tablets if you have stopped taking one of these MAOI medicines within the last 14 days. If you are not sure ask your doctor or pharmacist
The person is unconscious (in a coma) or suffers from severe dizziness, drowsiness or headache Do not take this medicine if any of the above applies to you. If you are not sure, talk to your doctor or pharmacist before taking Phenergan Tablets
Check with your doctor or pharmacist before taking your medicine if:
You have difficulty breathing, wheezing, tightness in the chest (asthma) or an infection in your lungs (bronchitis)
You have epilepsy
You have any serious heart problems
You have liver or kidney problems
You have a stomach blockage or difficulty passing water (urine)
You have hearing problems
You have increased pressure in the eye (narrow angle glaucoma)
You have had something called Reye's Syndrome or possible Reye's Syndrome signs include being sick and confused following a viral illness If you are not sure if any of the above apply to you, talk to your doctor or pharmacist before taking Phenergan Tablets.
Do not take this medicine, and tell your doctor, if you are taking or have taken the following in the last 2 weeks:
Some medicines for depression called monoamine oxidase inhibitors (MAOIs). If you are not sure ask your doctor or pharmacist.
Alcohol
Do not drink alcohol while you are taking Phenergan Tablets. This is because it can affect the way the medicine works.
Pregnancy and breast-feeding
Talk to your doctor or pharmacist before taking this medicine if you are pregnant, might become pregnant, or think you may be pregnant.
Phenergan Tablets should not be taken 2 weeks before birth.
You should not take Phenergan Tablets if you are breast-feeding. This is because small amounts may pass into mothers' milk. This can be harmful to your baby. If you are breast-feeding or planning to breast-feed, talk to your doctor or pharmacist before taking any medicine.
Driving and using machines
You may feel drowsy or sleepy after taking this medicine or in the morning after taking this medicine. If this happens, do not drive or use any tools or machines.
Lactose
Phenergan Tablets contains lactose: this is a type of sugar. If you have been told by your doctor that you cannot tolerate or digest some sugars (have an intolerance to some sugars), talk to your doctor before taking this medicine.
Talk to your doctor or pharmacist before taking Phenergan 10mg tablets if you are taking any prescribed medicines.
Stop taking Phenergan Tablets and see a doctor or go to a hospital straight away if you notice any of the following side effects:
An allergic reaction. The signs may include: a rash, swallowing or breathing problems, swelling of your lips, face, throat or tongue
Liver problems that may cause the eyes or skin to go yellow (jaundice) ' Muscle stiffness or shaking . Being unable to control some muscles in your head or face
You notice unusual movements of the tongue, facial muscle spasms, rolling eyes and trembling . Very fast, uneven or forceful heartbeat (palpitations) ' Irregular heartbeat '
Tiredness which lasts for a long time. This may be due to a blood problem called anaemia . Over-active behaviour in children
Tell your doctor or pharmacist if any of the following side effects get serious or lasts longer than a few days. Also tell them if you notice any side effects not listed. Dry mouth, blurred vision or you cannot pass water (urine). Feeling drowsy or sleepy, tiredness, disorientation, having nightmares, headaches, feeling restless. Loss of appetite (anorexia), indigestion. Feeling dizzy, lightheaded, faint (hypotension) . Feeling confused, especially in elderly people
' Being more sensitive to the sun than usual. If this happens keep out of direct sunlight and do not use sun lamps Like all medications,
Phenergan 10mg tablets can have side effects, however not everyone will experience these. If you are concerned about any of these side effects or any other side effects, speak to your doctor or pharmacist.
Active ingredient: promethazine hydrochloride 10mg.
Other ingredients: lactose, maize starch, povidone, magnesium stearate, polyethylene glycol, Opaspray (contains titanium dioxide-E171, hypromellose-E464 and indigo carmine aluminium lake blue-E132) and hypromellose.
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