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Prescription requiredSun PharmaDiuretic
Diamox Tablet 250 mg
Acetazolamide (250mg)
₹62MRP ₹65In stock
Delivery across India. Free above ₹999; ₹49 from ₹499, ₹99 below. Chennai express delivery is chargeable.
This medicine needs a prescription.
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Diamox Tablet 250 mg is used for this medicine is used in the treatment of high blood pressure, heart failure and fluid retention.
Medically reviewed by Dr. Balaji Krishnan, MBBS · Updated September 2026
Licensed pharmacyPharmacist-verified orderDelivered across India
Key details
Salt: Acetazolamide (250mg)
Available variants: tablet 250 mg 15`S
Best price: ₹62 (₹4.14 per tablet)
MRP: ₹65
Prescription: Required
Manufacturer: SUN PHARMA
Ordering notes
Standard delivery across India. No same-day delivery nationally.
Chennai express delivery is possible and chargeable. Learn more
Returns & refunds: orders can be cancelled before dispatch; after dispatch, returns depend on the item category. Read the full policy
Composition of Diamox Tablet 250 mg
Diamox Tablet 250 mg contains Acetazolamide (250mg). It belongs to the Water tablet class of medicines.
Uses of Diamox Tablet 250 mg
- This medicine is used in the treatment of high blood pressure
- heart failure and fluid retention.
Key benefits
- Relieves swelling and breathlessness caused by fluid
- Long-established blood pressure treatment
- Inexpensive and once daily
How Diamox Tablet 250 mg works
Diamox 250 Tablet is a carbonic anhydrase inhibitor. It works in glaucoma by decreasing the production of aqueous humour (fluid in the eye), thereby lowering the increased eye pressure.
How to take Diamox Tablet 250 mg
Swallow the tablet whole with a glass of water. Do not chew, crush or break it unless your doctor has told you to. Take it in the morning. Taking it at about the same time each day helps you remember. Follow the dose and the duration written on your prescription.
Take it exactly as your doctor prescribed. Do not change the dose or stop early on your own.
Missed dose and overdose
If you miss a dose
Take it as soon as you remember. If your next dose is almost due, skip the one you missed — never take two doses together to catch up.
If you take too much
An overdose of this medicine can cause severe dehydration, a sharp fall in blood pressure and dangerous salt imbalances. Do not wait for symptoms to appear — go to the nearest emergency department and take the pack or strip with you.
Side effects of Diamox Tablet 250 mg
Most side effects of Diamox are mild and settle as the body adjusts. Reported side effects include:
- Passing urine more often
- Dizziness on standing up
- Low potassium or sodium
- Muscle cramps
- Raised uric acid
- Thirst
Stop the medicine and seek help immediately for a rash, swelling of the face or lips, wheezing or difficulty breathing. Tell your doctor about any side effect that persists or worries you.
Safety advice for Diamox Tablet 250 mg
| Pregnancy | Diamox 250 Tablet may be unsafe to use during pregnancy. Although there are limited studies in humans, animal studies have shown harmful effects on the developing baby. Your doctor will weigh the benefits and any potential risks before prescribing it to you. Please consult your doctor. |
|---|---|
| Breastfeeding | Diamox 250 Tablet is probably unsafe to use during breastfeeding. Limited human data suggests that the drug may pass into the breastmilk and harm the baby. |
| Alcohol | It is not known whether it is safe to consume alcohol with Diamox 250 Tablet . Please consult your doctor. |
| Driving | May cause drowsiness or affect your concentration. Do not drive until you know how it affects you. |
| Kidney | Diamox 250 Tablet should be used with caution in patients with kidney disease. Dose adjustment of Diamox 250 Tablet may be needed. Please consult your doctor.Use of Diamox 250 Tablet is not recommended in patients with severe kidney disease. |
| Liver | Diamox 250 Tablet should be used with caution in patients with liver disease. Dose adjustment of Diamox 250 Tablet may be needed. Please consult your doctor.Use of Diamox 250 Tablet is not recommended in patients with severe kidney disease. |
| Habit forming | No |
Warnings and precautions
Take it in the morning so that passing urine does not disturb your sleep. Your doctor will check your salts and kidney function with blood tests — do not skip them. Report muscle cramps, marked weakness, confusion or an irregular heartbeat; these can be signs your potassium or sodium has fallen. In hot weather or during an illness with vomiting or loose motions, tell your doctor — you may become dehydrated quickly.
Do not take Diamox if
Not for anyone with a known allergy to this medicine or to any ingredient in the pack. Not for people who are unable to pass urine, or who are severely dehydrated.
Interactions with other medicines
Anti-inflammatory painkillers blunt the effect and can strain the kidneys. Lithium and digoxin levels are affected; tell your doctor if you take either. Potassium-sparing types must not be combined with potassium supplements without supervision.
How to store Diamox Tablet 250 mg
Store below 30°C in the original pack, away from direct sunlight and moisture. Keep out of the reach of children.
Expert advice for Diamox Tablet 250 mg
Weigh yourself at the same time each day if you have heart failure, and report a rapid gain. Do not add extra salt, and ask before using a potassium-based salt substitute.
Manufacturer and class
- Manufacturer:
- SUN PHARMA
- Therapeutic class:
- Diuretic
- Drug class:
- Water tablet
Substitutes for Diamox Tablet 250 mg
Medicines with the same active ingredient (Acetazolamide (250mg)). Ask your doctor or pharmacist before switching brands.
| Medicine | Pack | Price | vs Diamox Tablet 250 mg |
|---|---|---|---|
| Acetamide 250MICRO LABS | 10`S | ₹41 | 34% cheaper |
| Avva SR CapsuleIntas Pharmaceuticals Ltd | capsule · 10`S | ₹51 | 17% cheaper |
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Diamox Tablet 250 mg FAQs
What is Diamox Tablet 250 mg used for?
Diamox Tablet 250 mg is commonly used for This medicine is used in the treatment of high blood pressure, heart failure and fluid retention. Always follow your doctor's advice, this information is for educational purposes and not a substitute for professional medical guidance.
What is the salt in Diamox Tablet 250 mg?
Diamox Tablet 250 mg contains Acetazolamide (250mg). If you are allergic to any of these active ingredients or excipients, do not take this medicine and speak to your doctor first.
How should I take Diamox Tablet 250 mg?
Swallow the tablet whole with a glass of water. Take it exactly as prescribed; do not change the dose or stop early without talking to your doctor.
How does Diamox Tablet 250 mg work?
Diamox 250 Tablet is a carbonic anhydrase inhibitor.
Is Diamox Tablet 250 mg a prescription medicine?
Yes. Diamox Tablet 250 mg is a prescription-only (Rx) medicine. Upload a valid prescription from a registered medical practitioner during checkout. We cannot dispense it without a valid Rx.
What are the common side effects of Diamox Tablet 250 mg?
The side effects reported most often with Diamox are Passing urine more often, Dizziness on standing up, Low potassium or sodium, Muscle cramps, Raised uric acid. Most are mild and settle as the body adjusts; tell your doctor if any of them persist or worry you, and stop the medicine and seek help at once for a rash, swelling of the face or lips, or difficulty breathing.
Can Diamox Tablet 250 mg be taken during pregnancy?
Diamox 250 Tablet may be unsafe to use during pregnancy. Always tell your doctor if you are pregnant, planning a pregnancy or breastfeeding before starting Diamox.
Can I drink alcohol while taking Diamox Tablet 250 mg?
It is not known whether it is safe to consume alcohol with Diamox 250 Tablet .
What if I miss a dose of Diamox Tablet 250 mg?
Take it as soon as you remember.
Is Diamox Tablet 250 mg habit forming?
No. Diamox Tablet 250 mg is not known to be habit forming when taken as prescribed.
Is there a cheaper substitute for Diamox Tablet 250 mg?
Acetamide 250 has the same active ingredient and strength and is listed from ₹41 on PingMeDoc Pharmacy. Ask your doctor or pharmacist before switching brands, the salt is the same, but excipients and release profiles can differ.
How much does Diamox Tablet 250 mg cost on PingMeDoc Pharmacy?
Diamox Tablet 250 mg starts at ₹62 (MRP ₹65) on PingMeDoc Pharmacy. Available in tablet 250 mg 15`S. Final price is confirmed at checkout and may vary by variant and location.
Who manufactures Diamox Tablet 250 mg?
Diamox Tablet 250 mg is manufactured by SUN PHARMA. PingMeDoc Pharmacy sources medicines only from licensed manufacturers and distributors.
How is Diamox Tablet 250 mg delivered?
Diamox Tablet 250 mg is delivered across India via our licensed pharmacy partners. Standard delivery timelines are confirmed at checkout. Chennai customers can opt for chargeable same-city express delivery.
Diamox Tablet 250 mg, Quick facts
- Salt
- Acetazolamide (250mg)
- Form
- tablet
- Best price
- ₹62 (₹4.14 per tablet)
- MRP
- ₹65
- Prescription
- Required (Rx)
- Brand
- SUN PHARMA
- Manufacturer
- SUN PHARMA
- Therapeutic class
- Diuretic
- Drug class
- Water tablet
- Habit forming
- No
- Variants
- tablet 250 mg 15`S
- Delivery
- Standard across India
References
The information on Diamox Tablet 250 mg is compiled from the manufacturer's prescribing information and the sources below, and is reviewed by a registered medical practitioner. It does not replace advice from your own doctor.
- PingMeDoc clinical monograph library — compiled from Indian package inserts, the Indian Pharmacopoeia
- CDSCO schedules and standard pharmacology references. Reviewed for patient readability. This is general information, not a substitute for your doctor's advice.
- Central Drugs Standard Control Organisation (CDSCO), Ministry of Health & Family Welfare, Government of India, approved drug and schedule listings.
- National List of Essential Medicines (NLEM) 2022, Government of India.
- Manufacturer's package insert / prescribing information for Diamox Tablet 250 mg.
- World Health Organization, ATC/DDD classification and Model Formulary for the active ingredient.
Next steps
Safety disclaimer
Product information is for general awareness and does not replace professional medical advice. Always follow a clinician's guidance and upload a valid prescription when required.