The text only version may be available in large print, Braille or audio CD. For further information call emc accessibility on 0800 198 5000. The product code(s) for this leaflet is: PL0386/5008.
Please read this leaflet carefully before using this medicine. If you have any questions or are not sure about anything, ask your doctor or pharmacist.
1. What are Histergan Tablets and what do they do?
2. What should I know before using Histergan Tablets?
3. How do I use Histergan Tablets?
4. Do Histergan Tablets have any side effects?
5. How do I store Histergan Tablets?
6. Further information.
Histergan Tablets contain the following active ingredient: Diphenhydramine hydrochloride. Diphenhydramine hydrochloride is an antihistamine which works by blocking the body’s response to histamine, which is an agent responsible for causing allergic responses such as hay fever, stings and rashes. Histamine is also involved in the brain’s waking system so diphenhydramine hydrochloride can help alleviate temporary sleeplessness.
Do not take Histergan Tablets if you are allergic to any of the ingredients listed in section 6 of this leaflet.
Do not take Histergan Tablets if you suffer from porphyria.
You should inform your doctor or pharmacist before taking this medicine if any of the following apply:
Do not take Histergan Tablets if you are pregnant or breast feeding.
Histergan Tablets may cause drowsiness. Do not drive or operate machinery.
While taking Histergan Tablets:
Consult your doctor or pharmacist before taking Histergan Tablets if you are taking any of the following:
Adults and children over 12 years: 1 or 2 tablets three or four times a day or as prescribed by a doctor.
Not recommended for children under 12 years of age.
DO NOT EXCEED THE STATED DOSE.
Adults: 1 or 2 tablets to be taken at bedtime or after retiring when sleep is not readily achieved.
Do not take a repeat dose in the same night.
Not recommended as a sleep aid in children under 16 years of age.
DO NOT EXCEED THE STATED DOSE.
Seek medical attention as soon as possible. When seeking medical advice you should, if possible, take the medicine and this leaflet with you provided it doesn’t cause a delay.
All medicines can cause side effects.
Very rarely diphenydramine hydrochloride may cause bruising and/or bleeding. If you suffer from spontaneous bruising or bleeding discontinue treatment and seek immediate advice from your doctor.
The following side effects have also been reported to the ingredients of Histergan Tablets:
If you experience any severe side effect, or have a side effect which isn’t listed, then discontinue use and seek the advice of your doctor or pharmacist.
If you get any side effects, talk to your doctor or 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 use after the expiry date marked on the pack. Keep all medicines out of the reach and sight of children, preferably in a locked cupboard. Store below 25°C.
Each tablet contains 25mg of the active ingredient diphenhydramine hydrochloride. In addition Histergan Tablets also contain the following non-active ingredients: lactose, corn starch, polyvinylpyrolidone, magnesium stearate, polyvinylcetate phthalate, ethyl acetate, stearic acid, sucrose, calcium carbonate, talc, acacia, carnauba wax, beeswax, silicone fluid and colourings E171 (titanium dioxide) and E127 (erythrosine).
Histergan Tablets are supplied in packs of 20 tablets.
The marketing authorisation holder is:
The manufacturer is:
This Leaflet was revised July 2015