Laura HendersonMedical Content WriterUpdated on: 11/12/2018Next review: 10/12/2020
What are Phenergan Night Time tablets?
Phenergan Night Time is a treatment designed to relieve insomnia and sleep disturbances. Phenergan Night Time will help you to feel more relaxed, making it easier for you to drift off into a restful night’s sleep. This pack contains 14 25mg Phenergan Night Time tablets, which will last for either one or two weeks, depending upon your dosage.
What causes insomnia?
Insomnia can be caused by several different issues. These include simply being too hot or cold, noise, or an uncomfortable bed. Sleeping problems can also be caused by jet lag, or stress and/or anxiety. Having too much caffeine or nicotine are other major causes of sleep loss.
How will Phenergan Night Time treat my symptoms?
Phenergan Night Time works as a sleep loss aid thanks to the fact that the active ingredient, promethazine, is a first-generation antihistamine. First-generation antihistamines are known to make people feel drowsy after using them. Second-generation antihistamines, such as cetirizine and loratadine, do not have that effect.
What other conditions can Phenergan Night Time help to treat?
Aside from treating insomnia, Phenergan Night Time can be used as a form of treatment for allergies, including hay fever. If your allergy is keeping you from going to sleep, then these tablets can be used to treat both conditions at once. If you suffer from motion sickness or nausea, then you can use Phenergan Night Time to help relieve the effects as well.
How to take Phenergan Night Time.
Take one or two Phenergan Night Time Tablets at night. Swallow Phenergan Night Time Tablets with a sip of water. If your symptoms do not improve after 7 days, speak to your doctor or pharmacist.
Why do I need to answer questions to buy this product?
You do not need a prescription for Phenergan Night Time, however, you will be asked to complete a short online survey from our pharmacists before we can take your order. This includes some simple questions that all pharmacies legally are required to ask before supplying this kind of product. This helps our pharmacy team to be sure that Phenergan Night Time is the best choice for you.
When should Phenergan Night Time not be used?
Phenergan Night Time is not suitable for use by those under the age of 16 years old. Do not use Phenergan Night Time if you are breastfeeding or if you are going to give birth within the next two weeks. If you are pregnant or are likely to become pregnant, speak to your doctor before using Phenergan Night Time. Speak to your doctor before taking Phenergan Night Time if you are using medication for depression called Monoamine Oxidase Inhibitors (MAOIs), these include:
Nardil or phenelzine
You may feel drowsy after taking Phenergan Night Time if you feel sleepy while taking this product do not drive or use machinery or tools. Alcohol can prevent Phenergan Night Time from working effectively, so do not drink alcohol while taking this product. If you notice any side effect when using Phenergan Night Time, speak to a doctor or Chemist 4 U pharmacist as soon as possible. Also, you can record any side effect that you notice using the MHRA Yellow Card Scheme.
This product is a medicine; make sure to speak to your doctor or Chemist 4 U pharmacist before taking this product if you have an underlying medical problem or are taking any other medicine or complementary therapy. If your symptoms get worse or continue after taking this product, contact us or your doctor. For medical services in your area, please refer to https://www.nhs.uk
If you are pregnant, trying to become pregnant, or breastfeeding, speak to your doctor or our pharmacist before taking this product. If you suffer from any allergies, ask your doctor or our pharmacist if this medicine is right for you.
Store all medicines out of sight and reach of children.
Please read the included leaflet carefully before using this product.
Please contact your GP if appropriate regarding this product.
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Take this medicine by mouth
Do not take for longer than 7 days. If your symptoms worsen or do not improve after 7 days talk to your doctor or pharmacist
If you feel the effect of your medicine is too weak or too strong, do not change the dose yourself, but ask your doctor
How much to take
The recommended dose is:
Adults (including the elderly) and children over 16 years of age:
One or two tablets (25mg-50mg) taken at night
Use this medicine only as recommended.
Do not exceed the recommended dose.
Exposure to sunlight
Phenergan Night Time can make your skin more sensitive to sunlight. Keep out of direct sunlight while taking this medicine.
If you take more Phenergan Night Time than you should
If you or your child takes more Phenergan Night Time than you should, tell a doctor or go to a hospital casualty department straight away. Take the medicine pack with you. This is so the doctor knows what you have taken.
Stop taking Phenergan Night Time 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)
Tiredness which lasts for a long time. This may be due to a blood problem called anaemia
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 in this leaflet.
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
Reporting of side effects
If you get any side effects, talk to your doctor, pharmacist or nurse. This includes any possible side effects not listed in this leaflet. You can also report side effects directly via the Yellow Card Scheme at: www.mhra.gov.uk/yellowcard
By reporting side effects you can help provide more information on the safety of this medicine.
Do not take this medicine if:
The person taking the medicine is under 16 years of age
You are allergic (hypersensitive) to promethazine hydrochloride or any of the other ingredients of Phenergan Night Time (listed in section 6 below)
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 Night Time 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 (see “Other medicines and Phenergan Night Time” section below)
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 Night Time.
Warnings and precautions
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
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
This medicine is for short term sleeping problems. It should not be used for more than 7 days without talking to your doctor.
If you are not sure if any of the above apply to you, talk to your doctor or pharmacist before taking Phenergan Night Time.
Other medicines and Phenergan Night Time
Tell your doctor or pharmacist if you are taking or have recently taken any other medicines. This includes medicines you can buy without prescription, including herbal medicines. This is because Phenergan Night Time can affect the way some medicines work. Also some medicines can affect the way Phenergan Night Time works.
Do not take this medicine, and tell your doctor or pharmcist, 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
Tell your doctor or pharmacist if you are taking any of the following:
Anticholinergic medicines - includes some medicines used for irritable bowel syndrome, asthma or weak bladder. These can increase the risk of dizziness, dry mouth and blurred eyesight
Medicines for depression (such as amitriptyline)
Medicines to help you to sleep or feel more relaxed (such as diazepam or zolpidem)
Medicines such as aspirin (for arthritis and pain in your joints). Phenergan Night Time may hide the side effects of these medicines
Phenergan Night Time with food and drink
Do not drink alcohol while you are taking Phenergan Night Time. 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 Night Time should not be taken 2 weeks before birth.
You should not take Phenergan Night Time 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 the morning after taking this medicine. If this happens, do not drive or use any tools or machines.
Phenergan Night Time 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 or pharmacist before taking this medicine.
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Our studies show that just 24% of people get the NHS recommended 7-8 hours sleep a night. With a range of factors keeping us up such as stress, partners, noise and caffeine - It’s time to switch up our sleeping habits, as not getting enough Z’s every night can alter our bodies’ much-needed nightly reboot and affect our brain’s capability to problem-solve. We surveyed 2,000 UK-based respondents on questions relating to their sleeping habits.