• Overview


Information specific to: Nytol.

About Nytol and how it works

This medicine is used as a sleep aid to temporarily relieve sleeping difficulties. The main ingredient diphenhydramine is an antihistamine which works by blocking the effects of histamine and causes drowsiness. This medicine decreases the time it takes to sleep and also helps improve the quality and depth of sleep.

This medicine is available in the form of tablets that are taken by mouth. You should take this medicine 20 minutes before going to bed.

Do not take more than the recommended dose.

If you take this medicine repeatedly or for long periods of time, you may find it may not be as effective in helping you sleep as you develop a tolerance towards its effects.

Consult your doctor if your symptoms do not improve, or if they get worse during treatment with this medicine.

Before using Nytol

This medicine may not be suitable for everyone and some people must never have it. Check the leaflet that comes with your medicine to make sure that the medicine is suitable before having it.

Always get advice from a healthcare professional before taking this medicine if:

  • you are allergic or sensitive to or have had a reaction to any of the ingredients in the medicine
  • this medicine is for a child under 16 years of age
  • you have a bowel obstruction
  • you have a peptic ulcer that is causing narrowing of the gut
  • you have an obstruction of the bladder neck
  • you have asthma
  • you have myasthenia gravis
  • you have seizure disorders
  • you have narrow-angle glaucoma
  • you have an enlarged prostate gland
  • you have galactose intolerance
  • you have Lapp lactase deficiency
  • you have glucose-galactose malabsorption
  • you have epilepsy
  • you have urinary retention
  • you are elderly
  • you have bronchitis or chronic obstructive pulmonary disease
  • you have liver problems
  • you have kidney problems

Medicines interactions

If you are taking more than one medicine they may interact with each other. Before taking this medicine consult your doctor or pharmacist if you are taking or have recently taken any other medicines including vitamins supplements and herbal or complementary preparations.

The following medicines may interact with this medicine:

  • monoamine oxidase inhibitors - do not take this medicine if you are currently taking monoamine oxidase inhibitors or have taken them within the last 14 days
  • central nervous system depressants such as tranquillizers, hypnotics and anxiolytics
  • anticholinergic medicines such as atropine or tricyclic antidepressants
  • cytochrome P450 inhibitors such as metoprolol or venlafaxine
  • medicines containing antihistamines such as cough and cold preparations, or preparations that are applied on the skin

Possible side effects of Nytol

Most medicines can cause some side-effects but not everyone having the same medicine will get the same side-effects.

The following side-effects have been associated with people taking this medicine:

  • hypersensitivity reactions including rash, urticaria, breathing difficulties and angioedema
  • paradoxical excitation such as feelings of increased energy, restlessness or nervousness
  • tiredness
  • confusion
  • drowsiness or sedation
  • lack of concentration
  • dizziness
  • balance and co-ordination problems
  • convulsions
  • headache
  • pins and needles sensations
  • abnormal muscle movements or problems controlling muscle movement
  • blurred vision
  • faster heart beat
  • palpitations
  • gastrointestinal problems such as nausea and vomiting
  • thickening of bronchial secretions
  • dry mouth
  • muscle twitching
  • urinary difficulties
  • urinary retention
  • difficulty in co-ordinating movement

Pregnancy and breast-feeding

If you are trying to become pregnant, are pregnant, or are breast-feeding, you should seek medical advice before taking this medicine.

Other important information

Make sure that you read the leaflet that comes with your medicine to check what dose you should take and if there is anything that you need to do if you take more than the recommended dose. If you are in any doubt about whether this medicine is suitable for you, speak to your doctor or pharmacist.

This medicine may affect your ability to drive or operate machinery. If this medicine affects you, you should not drive or operate machinery.

This medicine may interact with alcohol. You should avoid drinking alcohol while you are taking this medicine.

Keep all medicines out of the sight and reach of children.

Content provided by Datapharm

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