Chlorphenamine 10mg/ml Solution for Injection

Chlorphenamine 10mg/ml Solution for Injection

(Chlorphenamine Maleate)

Chlorphenamine 10mg/ml Solution for Injection contains the active ingredient chlorphenamine maleate which is an antihistamine. These medicines inhibit the release of histamine into the body that occurs during an allergic reaction. This product relieves some of the main symptoms of a severe allergic reaction.

This injection is usually given to you by your doctor or someone else trained to give it to you.

This injection is usually given to you by your doctor or someone else trained to give it to you. You will be given the injection beneath your skin, or into a muscle, or directly into a vein.

Adults: the usual dose is 10mg - 20mg (1 or 2 ampoules), up to a maximum of 40mg (4 ampoules) in 24 hours.

Children: the dose will be calculated by the doctor, according to the child’s age or body weight:

Age 1 month to 1 year dose is given 0.25mg/kg

Age 1 to 5 years dose is 2.5mg to 5mg or 0.20mg/kg

Age 6 to 12 years dose is 5mg to 10mg or 0.20mg /kg

Age 12 to 18 years dose is 10mg to 20mg or 0.20mg /kg

The doctor may dilute Chlorphenamine with sodium chloride 0.9% to make it easier to measure and inject the small amounts required for children.

When administered into a vein, the injection should be given slowly over a period of one minute to avoid a fall in blood pressure (hypotension) or central nervous system stimulation.

If you have any further questions on the use of this product, ask your doctor or pharmacist.

Like all medicines, Chlorphenamine can cause side effects, although not everybody gets them.

The most common side effect is sedation, which can range from slight drowsiness to deep sleep.

The following side effects have been reported:

• a stinging or burning feeling at the site of injection
• giddiness or drowsiness if the drug is injected too quickly into a vein (this usually passes)
• nausea, vomiting, or diarrhoea
• feeling dizzy, weak, tired, unable to concentrate
• rapid or irregular heart beat, chest tightness, fall in blood pressure
• dryness of the mouth, headache, anorexia, indigestion, abdominal pain, liver problems including jaundice, difficulty passing urine
• muscular incoordination, ringing in the ears, blurred vision, irritability, depression, nightmares
• allergic reactions (skin reactions, itching of raised bumps on the skin, sensitivity to light)
• blood abnormalities.

Elderly people may become confused and children may become excitable.

If any of these side effects get serious, or if you notice any side effects not listed in this leaflet, please tell your doctor.

Keep out of the sight and reach of children.

Store below 25°C and protect from light.

Do not use after the date shown as ʻEXP’ on the carton.

Use immediately after opening. For single use only. Discard any unused contents immediately after use.

Use immediately after dilution.

Medicines should not be disposed of via wastewater or household waste. Ask your pharmacist how to dispose of medicines no longer required. These measures will help to protect the environment.