Nytol One-A-Night is used to relieve temporary sleeping difficulties.
Why do I need this medicine?
Diphenhydramine belongs to a group of medicines called antihistamines.
It is used to relieve symptoms of allergy including runny nose, sneezing, itchy and watery eyes. It is also used to relieve allergic skin conditions such as rash, itch and swelling. Diphenhydramine is also used for temporary relief of cough due to cold or throat irritation.
Diphenhydramine is also effective for the prevention and treatment of nausea and vomiting, or dizziness that may occur with motion sickness.
It can also help with sleep if you have difficulty sleeping.
Diphenhydramine can be used together with other medicines for Parkinson's disease, to manage tremor or loss of movement coordination.
How do I take this medicine?
Take Diphenhydramine exactly as directed by your doctor. Do not take more or less than instructed by your doctor.
You may take Diphenhydramine with or without food. Take it with a full glass of water.
What should I take note of while taking this medicine?
Alert your doctor if you have any of the following conditions:
- lung problems, such as asthma or bronchitis
- stomach ulcers or narrowing/ blockage between the stomach and intestine
- prostate enlargement or difficulty in urination
- overactive thyroid gland
- high blood pressure
- heart problems
- myasthenia gravis (a condition of muscular weakening)
- liver or kidney disease
Inform your doctor or pharmacist if you are taking medicines to treat anxiety or help you sleep.
Be sure to check with your doctor or pharmacist before giving Diphenhydramine to a young child or elderly. Diphenhydramine may cause excitation and hyperactivity in young children. The elderly may be more sensitive to its side effects.
Do not take together with other medicines containing Diphenhydramine or other antihistamines.
When used as a sleeping aid, do not use Diphenhydramine for longer than directed by your doctor. It should not be used for more than 10 days continuously.
What side effects could I experience?
Diphenhydramine may cause drowsiness and dizziness. If you feel drowsy or dizzy, do not drive or take part in any activity in which you need to be alert.
Diphenhydramine may also cause headache, tiredness, restlessness, nervousness, excitation (especially in children), problems sleeping, stomach discomfort, nausea, dry mouth, nose and throat, thickening of phlegm and muscle weakness.
These side effects are usually mild and less common. Alert your doctor if any of these symptoms are severe or refuse to go away.
Some side effects are rare but may be serious. Alert your doctor if you experience fast or irregular heartbeat.
Alert your doctor if you experience any other side effects while being treated with this medicine. Also inform your doctor if your condition does not improve or worsen while taking Diphenhydramine.
What should I do if I have forgotten to use this medicine?
Take the missed dose as soon as you remember. If it is almost time for your next dose, skip the missed dose and return to your normal dosing schedule.
DO NOT double a dose under any circumstances.
When should I not use this medicine?
Alert your doctor if you are pregnant or breastfeeding. Do not take Diphenhydramine if you are breastfeeding.
Do not take Diphenhydramine if you are having an asthma attack.
Do not give Diphenhydramine to premature or newborn babies.
Do not give Diphenhydramine to any child unless specifically instructed by the child's doctor.
Do not give Diphenhydramine to children below 6 years old unless directed by the doctor. Diphenhydramine is not recommended for use as a sleep aid for children below 12 years old.
Can I take this with other medicines?
Alert your doctor if you are taking any medicines to help with sleep, anxiety or depression. These may include:
- antidepressants, such as amitriptyline, imipramine, fluoxetine, moclobemide, selegiline
- strong painkillers such as codeine, tramadol
- sleeping pills or anxiety medicine such as alprazolam, lorazepam
Do not take together with other medicines containing antihistamines, which include chlorpheniramine, promethazine, clemastine.
Always inform your doctor and pharmacist if you are taking any other medicines, including herbal tonics, supplements and medicines that you buy without a prescription.
Are there any restrictions on the type of food I can take?
How should I store this medicine?
Store in a cool, dry place away from the reach of children. Syrups should be kept away from light.
Medicines must not be used past the expiry date.