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Diamox (Acetazolamide)

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What is Generic?

What is a Generic Drug?

A generic drug is a copy of the brand-name drug with the same dosage, safety, strength, quality, consumption method, performance, and intended use. Before generics become available on the market, the generic company must prove it has the same active ingredients as the brand-name drug and works in the same way and in the same amount of time in the body.

The only differences between generics and their brand-name counterparts is that generics are less expensive and may look slightly different (eg. different shape or color), as trademarks laws prevent a generic from looking exactly like the brand-name drug.

Generics are less expensive because generic manufacturers don't have to invest large sums of money to develop a drug. When the brand-name patent expires, generic companies can manufacture a copy of the brand-name and sell it at a substantial discount.


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Diamox is a prescription medication used for a variety of treatment aims, including for glaucoma, congestive heart failure, and Diamox for altitude sickness. It may also be prescribed as part of a treatment regimen for epilepsy or other neurological disorders where seizures are experienced. Diamox is an anhydrase inhibitor medication that blocks enzymes and results in better alkalinity from kidney function, and the way Diamox works for seizure prevention is that it inhibits neuron function in the CNS. Buy Diamox from Canpharm and get the best price on it.

What is Glaucoma?
Glaucoma is an eye condition characterized by increased pressure inside the eye, which damages the optic nerve and can lead to vision loss. It can develop slowly (primary open-angle glaucoma) or suddenly (angle-closure glaucoma).

What is Congestive Heart Failure?
Congestive heart failure (CHF) is a condition where the heart is weakened and cannot pump blood efficiently. It leads to fluid build-up in the body and causes symptoms like fatigue, shortness of breath, and swelling.

What is Altitude Sickness?
Altitude sickness, also known as acute mountain sickness (AMS), is a condition that occurs when individuals ascend to high altitudes too quickly. It is caused by a decrease in oxygen levels and a decrease in air pressure at higher elevations. Symptoms can include headache, nausea, dizziness, fatigue, and shortness of breath.

Fact Table
Formula C4H6N4O3S2
License US FDA, US DailyMed, EU EMA
Bioavailability 90%
Legal status Rx-Only
Chemical Name Acetazolamide
Elimination half-life 2–4 hours
Dosage (Strength) 250mg
Pregnancy Consult your healthcare provider
Brands Diamox
Protein binding 70–90%
PubChem CID 1986
MedlinePlus a682756
ChEBI 27690
ATC code S01EC01
DrugBank DB00819
KEGG D00218
Routes of administration By mouth

Buy Diamox (Acetazolamide) online from online Canadian Pharmacy |


Diamox dosage and frequency will depend on the condition being treated and will be laid out in your prescription based on the discussions had with the prescribing physician.

Diamox capsules should be swallowed whole and taken with or without food. Drink plenty of fluid while you are using Diamox medication.


The active ingredient in Diamox is Acetazolamide.


Let your doctor know of any history of liver disease, impaired hepatic (kidney) function, emphysema, diabetes, hypothyroidism, or electrolyte balances before starting on Diamox.

When using Diamox for treating altitude sickness, it is important to take the medication at least one day before your planned ascent, and treatment should continue for 48 hours or more after you have reached the new elevation or until you become acclimatized.

Diamox should be stored at room temperature between 68 to 77 degrees.

Keep out of reach of children and be aware of the medication expiry date.


Negative drug interactions may occur between Diamox and other Rx medications, including Albuterol / Amantadine / Amphetamines / Anticonvulsants / Barbiturates / Chlorpheniramine / Cyclosporine / Diuretics / Ephedrine / Lithium / Metformin / Nifedipine / Primidone / Pseudoephedrine / Simvastatin / Sodium bicarbonate / Tricyclic antidepressants.

Let your doctor know of all medications you are currently taking before getting a prescription and proceeding to buy Diamox online.

Side Effects

Side effects from using Diamox may occur, and some users may experience light-headedness or dizziness, increased urination, dry mouth, blurred vision, appetite loss, headache, nausea, tiredness, or increased sun sensitivity. If side effects are experienced, you may want to stop use and meet with a doctor again to discuss altitude sickness treatment medication alternatives.

Frequently asked questions about Diamox

How to reduce side effects of Diamox?

To reduce the potential side effects of Diamox, it's important to follow the prescribed dosage and guidelines provided by your doctor or pharmacist. You can also try the following:

  • Take the medication with food or milk to minimize stomach upset.
  • Stay well hydrated by drinking plenty of fluids, as Diamox can increase urination.
  • Avoid alcoholic beverages while taking Diamox, as alcohol can worsen certain side effects.
  • If you experience any bothersome side effects, consult with your doctor or pharmacist for further guidance.

How does Diamox work?

Diamox is a medication that belongs to a class of drugs called carbonic anhydrase inhibitors. It works by decreasing the production of a substance called carbonic anhydrase in the body. By doing so, Diamox helps to reduce fluid buildup and lower the pressure in certain parts of the body, such as the eyes or brain. It is commonly used to treat conditions like glaucoma, altitude sickness, and certain types of seizures.

How long does Diamox stay in your system?

The exact duration of time that Diamox stays in your system can vary from person to person. Generally, it takes around 4 to 5 days for the medication to be completely eliminated from the body. Sometimes, the effects of Diamox on reducing fluid buildup and lowering pressure may last longer than the time it takes for the drug to be cleared from your system.

Is Diamox over the counter?

No, Diamox is not available over the counter. It is a prescription medication, which means you need a prescription from a doctor to obtain it. Diamox is a potent medication that requires proper evaluation and monitoring by your doctor due to its potential side effects and interactions with other drugs.

When to take Diamox for altitude sickness?

When using Diamox for altitude sickness prevention, it is typically recommended to start taking the medication one to two days before you ascend to a high altitude. The usual dosage is 125 mg to 250 mg taken twice a day. It's important to consult with your doctor or pharmacist for specific instructions tailored to your situation, as they can take into account your medical history and any other medications you may be taking.

IMPORTANT NOTE: The above information is intended to increase awareness of health information and does not suggest treatment or diagnosis. This information is not a substitute for individual medical attention and should not be construed to indicate that use of the drug is safe, appropriate, or effective for you. See your health care professional for medical advice and treatment.