Huena Tablet is an antiseptic medicine used to prevent urinary tract infections. It works by turning into formaldehyde in acidic urine, which helps kill infection-causing bacteria and keeps the urinary tract free from harmful microbes.
Huena Tablet should be taken exactly as prescribed, typically twice daily with or after meals and at bedtime to reduce stomach upset. For optimal results, maintain an acidic urinary environment, as the drug relies on acidic urine (pH ≤ 5.5) to convert into its active antibacterial form, formaldehyde. Avoid alkalinizing agents (like certain antacids), and complete the full course to prevent reinfection or resistance. Regular follow-up with your doctor is advised to monitor treatment response.
Common side effects of Huena Tablet include nausea, upset stomach, and rash. If side effects persist or worsen, consult your doctor. Always use as directed to minimize risks and ensure safe use.
Huena Tablet should not be used in individuals with severely impaired kidney function, severe liver disease, or dehydration, as it may increase the risk of crystal formation and urinary tract irritation. It is also contraindicated in patients with indwelling catheters or those with consistently alkaline urine, as this reduces its effectiveness. Caution is advised in patients with a history of kidney stones or gastrointestinal issues. Always inform your doctor of any existing health conditions or medications, especially sulfonamides, as combining them can increase the risk of side effects.
Huena Tablet is primarily used in the prevention of recurrent urinary tract infections (UTIs). It is a common condition where bacteria infect the urinary system, leading to symptoms like pain during urination and frequent urges to urinate. This medicine helps suppress bacterial growth and reduce the risk of repeated infections.
Side effects of Huena Tablet
Most side effects do not require any medical attention and disappear as your body adjusts to the medicine. Consult your doctor if they persist or if you’re worried about them
Common side effects of Huena
Upset stomach
Rash
Nausea
Discomfort when urinating
How to use Huena Tablet
Take this medicine in the dose and duration as advised by your doctor. Swallow it as a whole. Do not chew, crush or break it. Huena Tablet may be taken with or without food.
How Huena Tablet works
Huena Tablet helps prevent urinary tract infections by converting into formaldehyde, a substance that kills bacteria, when the urine is sufficiently acidic. The hippurate component helps maintain the acidic environment needed for this conversion. This targeted action in the urinary tract reduces the risk of developing resistance and is effective in preventing recurring infections.
Safety advice
Alcohol
CONSULT YOUR DOCTOR
It is not known whether it is safe to consume alcohol with Huena Tablet. Please consult your doctor.
Pregnancy
CONSULT YOUR DOCTOR
The safety of Huena Tablet during pregnancy has not been established. There are no adequate and well-controlled studies in pregnant women, and animal data on reproductive toxicity are insufficient. Your doctor will weigh the benefits and any potential risks before prescribing.
Breast feeding
CONSULT YOUR DOCTOR
Huena Tablet may be unsafe to use during breastfeeding. Limited human data suggests that the drug may pass into the breastmilk and harm the baby. It should be used only if the expected benefit outweighs the potential risk. Please consult your doctor.
Driving
CONSULT YOUR DOCTOR
It is not known whether Huena Tablet alters the ability to drive. Do not drive if you experience any symptoms that affect your ability to concentrate and react. Please consult your doctor.
Kidney
UNSAFE
Huena Tablet is unsafe to use in patients with kidney disease and should be avoided.
Liver
CAUTION
Huena Tablet should be used with caution in patients with severe liver disease. Dose adjustment may be needed.
What if you forget to take Huena Tablet?
If you miss a dose of Huena Tablet, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and go back to your regular schedule. Do not double the dose.
All substitutes
For informational purposes only. Consult a doctor before taking any medicines.
Tata 1mg's sole intention is to ensure that its consumers get information that is expert-reviewed, accurate and trustworthy. However, the information contained herein should NOT be used as a substitute for the advice of a qualified physician. The information provided here is for informational purposes only. This may not cover everything about particular health conditions, lab tests, medicines, all possible side effects, drug interactions, warnings, alerts, etc. Please consult your doctor and discuss all your queries related to any disease or medicine. We intend to support, not replace, the doctor-patient relationship.
Harding C, Chadwick T, Homer T, et al. Methenamine hippurate compared with antibiotic prophylaxis to prevent recurrent urinary tract infections in women: the ALTAR non-inferiority RCT. Health Technol Assess. 2022;26(23):1-172. [Accessed 24 Nov. 2025]. Available from:
Kale S, Somani BK. The resurgence of methenamine hippurate in the prevention of recurrent UTIs in women- a systematic review. Curr Opin Urol. 2023;33(6):488-496. [Accessed 24 Nov. 2025]. Available from:
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Country of origin: India Expires on or after: April, 2028
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