Phenergan 10mg 56 Tablets
Phenergan 10mg 56 Tablets
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Drowsy hayfever and allergy tablets, that also can be used for insomnia, travel sickness and more.
- Phenergan tablets, for hayfever and allergy relief
- Each tablet contains 10mg of promethazine hydrochloride
- Drowsy antihistamine tablets: can also be used to treat insomnia in adults
- Also help to treat or prevent nausea, such as in travel sickness
- Can be used for both children and adults, in different doses
- Do not take for more than seven days at a time
Phenergan Tablets, which contain the active ingredient promethazine hydrochloride 10mg, are used to treat hayfever and other allergic conditions such as nettle rash and hives. They can also be used to treat insomnia in adults and to treat/prevent nausea and vomiting such as travel sickness.
Using the active ingredient promethazine 10mg, Phenergan tablets work by blocking histamine, the natural substance that your body makes during an allergic reaction. Promethazine also works directly on the brain to help you feel more relaxed.
To learn more about allergy treatment, check out our guide to hay fever and allergies.
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.
Usage and Instructions
How long do Phenergan 10mg 56 Tablets take to work?
Phenergan 10mg 56 Tablets generally starts working in around 30 minutes. It may take a little quicker or even a little longer to work. This depends on a number of different factors and from person to person. Chat to our pharmacist, who’ll be able to give you more guidance.
How do Phenergan 10mg 56 Tablets work?
When you have an allergic reaction, your body produces a chemical called histamine. Phenergan 10mg 56 Tablets blocks histamine receptors in your brain, which helps to relieve allergy symptoms.
How long does promethazine hydrochloride stay in your system?
Generally speaking, promethazine 10mg will mostly be out of your system in two to four days. However, the time it takes to leave your system also depends on a number of factors such as your metabolism, age, health, weight, the amount you take and how often you take it.
Use for allergies (such as hay fever, rashes and hives):
Children 5-10 years: Give a single dose of either one or two Phenergan tablets at night, or one tablet twice a day. Do not give more than 2 tablets (20mg) each day.
Children over 10 years and adults (including 65+): Start with one Phenergan tablet twice a day. This may be increased to a maximum of two tablets three times a day if needed.
For treatment and prevention of feeling sick or being sick (such as travel sickness):
Children 5-10 years: Give a single tablet the night before the journey. This may be repeated after 6-8 hours if necessary.
Children over 10 years and adults (including the elderly): Take two tablets the night before the journey. This may be repeated after 6-8 hours if necessary.
How long should you take these tablets?
Do not take Phenergan 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.
For short term treatment of insomnia and difficulty in sleeping in adults:
Adults and children over 10 years: Take 2 to 4 Tablets as a single night time dose.
Children between 5-10 years old: Take 2 Tablets as a single night time dose
Children between 2-5 years old: Use Phenergan Elixir instead.
Use this medicine only as recommended. Do not exceed the recommended dose.
Can you take Phenergan 10mg 56 Tablets when pregnant?
It’s relatively safe to take Phenergan 10mg 56 Tablets when you’re pregnant, but only for very short periods. Talk to your doctor before taking this medicine if you are pregnant, might become pregnant, or think you may be pregnant. Phenergan Tablets shouldn't be taken 2 weeks before birth. You also shouldn't take Phenergan 10mg 56 Tablets if you are breastfeeding as small amounts of promethazine may pass into your milk, which can be harmful to your baby.
To learn more, read our guide on [hayfever when pregnant or breastfeeding] (https://www.medino.com/article/hayfever-when-pregnant-breastfeeding). For any other concerns, speak to our pharmacist or your GP for expert advice before taking this medicine when you’re pregnant.
Are there any other warnings?
Phenergan 10mg Tablets contains lactose, talk to your doctor before taking this medicine if you are lactose intolerant.
Do not drink alcohol while you are taking Phenergan 10mg Tablets as this can affect the way the medicine works.
Phenergan 10mg Tablets can cause drowsiness. If this happens, do not drive or use any tools or machines.
Phenergan 10mg Tablets can make your skin more sensitive to sunlight, so keep out of direct sunlight while taking this medicine.
Do not take Phenergan 10mg Tablets if:
- The person taking the medicine is under 2 years of age.
- You are allergic (hypersensitive) to promethazine hydrochloride or any of the other ingredients.
- 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.
- The person is unconscious (in a coma) or suffers from severe dizziness, drowsiness or headache.
Check with your doctor or pharmacist before taking Phenergan 10mg Tablets 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 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.
Do Phenergan 10mg 56 Tablets make you sleepy?
Yes, Phenergan 10mg 56 Tablets will make you sleepy, so don't drive or use any machinery or tools. Apart from allergies, Phenergan 10mg 56 Tablets are also used for short-term sleep problems, feeling or being sick and to treat cough and cold symptoms.
Are there any other side effects?
The following are some of the side effects that are known to be associated with promethazine. Just because a side effect is stated here doesn't mean that all people taking Phenergan will experience that or any side effect. Side effects are more likely to be experienced by elderly people and children:
- Feeling tired or sleepy.
- Feeling disorientated.
- Blurred vision.
- Dry mouth.
- Difficulty passing urine (urinary retention).
- Confusion, particularly in elderly people.
- Excitability in children.
- Rash or itching.
- Increased sensitivity of the skin to sunlight (photosensitivity).
- Loss of appetite.
- Awareness of your heartbeat (palpitations).
- Low blood pressure (hypotension).
- Abnormal movements of the hands, legs, face, neck and tongue, eg tremor, twitching, rigidity (extrapyramidal effects).
- Yellowing of the skin and whites of the eyes (jaundice).
- Disturbances in the normal numbers of blood cells in the blood.
Read the leaflet that comes with the medicine, or talk to your doctor or pharmacist if you want any more information about the possible side effects of Phenergan.