Hiprex 1G Tablets (methenamine hippurate ) is used in the prophylaxis and treatment of urinary tract infections (water infection)
Hiprex tablets is used to stop infections of the urinary tract from coming back. The urinary tract
is a collective name for the parts of the body that produce, store and transport urine. These include the kidney, bladder and tubes called the ureter and urethra. It is also used to avoid urinary tract infections in patients with catheters from their bladders (a tube that helps with incontinence) and in people undergoing certain medical procedures.
Hiprex contains the active substance methenamine hippurate and belongs to a group of medicines called anti-bacterials. These work by killing many different types of bacteria which cause infections.
Hiprex is used to treat infections of the urinary tract and stop them from coming back. The urinary tract is a collective name for the parts of the body that produce, store and transport urine. These include the kidney, bladder and tubes called the ureter and urethra. It is also used to avoid urinary tract infections in patients with catheters from their bladders (a tube that helps with incontinence) and in people undergoing certain medical procedures.
Urinary tract infections (UTIs) affect your urinary tract, including your bladder (cystitis), urethra (urethritis) or kidneys (kidney infection). UTIs may be treated with antibiotics, but they’re not always needed.
Symptoms of a UTI may include:
Hiprex tablets are available over the counter in the UK to be used to prevent UTI
Products to relieve UTI symptoms
Please click here for the Patient Information leaflet Hiprex Tablets.
Our pharmacist will call you after you place an order for Hiprex 1G Tablets
The recommended dose is one tablet twice a day.
If you have a catheter your doctor may increase your dose to one tablet three times a day.
Use in children
Not for children aged under 6.
Children aged 6 – 12 years the recommended dose is half a tablet (500mg) twice a day.
Method of administration
The tablets can be broken in half. If you find it particularly difficult to swallow them, the tablets may be
crushed and taken with a drink of milk or fruit juice
Do not use Hiprex Tablets if:
• You are allergic to methenamine hippurate or any of the other ingredients of this medicine (listed in
• You are taking antibiotic medicines called sulphonamides. These can damage your kidneys when
taken at the same time as Hiprex
• You are severely dehydrated
• You have serious problems with your kidneys
• You have problems with your liver
• You have gout
• You have a condition called metabolic acidosis (a chemical imbalance in the blood).
If any of the above applies to you, talk to your doctor or pharmacist.
Warnings and precautions
Check with your doctor before taking Hiprex if:
• You have any kinds of problems with your kidneys.
Tell your doctor if you are taking any of the following medicines:
• Medicines to make your urine less acidic such as potassium citrate and acetazolamide.
These can stop Hiprex working properly
• Any other medicines, including medicines obtained without a prescription.
Pregnancy, breast-feeding and fertility
If you are pregnant or breast-feeding, think you may be pregnant or are planning to have a baby, ask
your doctor or pharmacist for advice before taking this medicine.
You may experience the following Hiprex side effects
Uncommon: may affect up to 1 in 100 people
• Rashes • Itching
• Stomach irritation • Bladder irritation usually seen as a burning sensation and pain on urinating.
• nausea • vomiting
Not known (cannot be estimated from the available data)
• Diarrhoea, abdominal pain
Reporting of side effects If you get any side effects, talk to your doctor, 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 or search for MHRA Yellow Card in the
Google Play or Apple App Store.
By reporting side effects you can help provide more information on the safety of this medicine
Hiprex contains the active ingredient methenamine hippurate and belongs to a group of medicines called antibacterials.