Sometimes your doctor will decide to give you an injection instead of a pill, right? There may be special reasons for that. For example, acetazolamide is a special injection that is only given in a hospital or clinic. This medication is commonly known by the brand name Diamox. Let's take a look at what this injection is used for, what happens when you take it, and what things you need to be aware of.
What really happens with this medicine?
Simply put, Acetazolamide is a diuretic . This means that it makes you urinate more often. Why does this happen? This medicine helps your body get rid of excess water and salt through urine.
Some of the main benefits of this are:
- Reduces swelling caused by conditions such as heart disease.
- Helps control some seizure conditions.
- It is used to treat glaucoma, a condition in which the pressure in the eye increases excessively.
Things you need to tell your doctor before using this medicine
This is very important. Before your doctor prescribes this medicine for you, it is essential to be aware of certain conditions in your body. If you have any of the following conditions, be sure to tell your doctor.
- If you have glaucoma .
- If you have any kidney or liver disease.
- If the adrenal glands are underactive.
- If you have lung diseases or breathing difficulties (for example, COPD, Chronic Bronchitis).
- If you have had a previous allergy to this Acetazolamide medicine or to Sulfa-type medicines . Not only that, but if you have any other allergies to any medicine, food, or preservatives, please tell us about them as well.
- If you are pregnant or expecting a baby .
- If you are a breastfeeding mother .
Don't hesitate to share this information with your doctor. This information will help him provide you with the safest treatment.
How do you use this medicine and what to do in an emergency?
This medicine is not something you can take home. It is an injection into a vein . So it is only given in a hospital or clinic by a doctor or trained health professional. So there is nothing to worry about.
If you are giving this medicine to young children, special care may be required. Your doctor will inform you about this as well.
Overdose
This is given in a hospital setting so the chances of this happening are very low. However, if you think you have taken too much of this medicine, immediately report it to the hospital's Emergency Treatment Unit (ETU) . Alternatively, you can call the National Poisons Information Centre at the Colombo National Hospital for advice.
Other medications that may interact with this medicine
It is very important to tell your doctor about all the medications you are taking, as some medications can interact with Acetazolamide.
| Type of medicine | Description |
|---|---|
| Do not use this medicine with anything. | |
| Methazolamide | This is also a drug like Acetazolamide, so taking both together can be dangerous. |
| Please inform your doctor if you are taking these as they may interact with this medication. | |
| Aspirin and similar painkillers | Cyclosporine |
| Lithium | Medicines for diabetes |
| Methenamine | Other types of diuretics |
| Phenytoin, Primidone (medicines for seizures) | Quinidine |
| Sodium bicarbonate | Stimulant drugs like dextroamphetamine |
This list is not complete. Tell your doctor about any other medications, herbal remedies, vitamins, and supplements you are taking. Also, tell your doctor if you smoke or drink alcohol .
Things to be careful about while taking the medicine
- Serious skin reactions: This is something you should be especially aware of. Sometimes serious skin reactions can occur weeks or even months after you start using this medicine . Tell your doctor right away if you develop a rash along with symptoms such as a fever or a cold . These rashes may turn red or purple, then blister and the skin may start to peel. Or you may see a red rash with swelling of the face, lips, or swollen lymph nodes in the neck or armpits.
- Drowsiness and dizziness: This medicine may make you feel drowsy or dizzy. Therefore, do not drive or operate machinery until you know how this medicine affects you. To reduce the risk of dizziness and falls, especially if you are elderly, avoid sitting or standing up quickly.
Possible Side Effects
Like any medicine, Acetazolamide injection can cause some side effects. Some of them are serious, while others are common.
| Side effect | Description |
|---|---|
| Serious side effects that should be reported to the doctor immediately | |
| Allergic reactions | Skin rash, itching, swelling of the face, lips, tongue. |
| High acidity in the blood | Difficulty breathing, fast or irregular heartbeat, headache, dizziness, extreme fatigue, nausea, vomiting. |
| Infection | Fever, chills, cough, sore throat, pain when urinating. |
| Liver injury | Dark yellow/brown urine, yellowing of the eyes or skin, pain in the upper right part of the stomach, loss of appetite. |
| Decreased red blood cells | Difficulty breathing, fainting, extreme fatigue. |
| Unusual bleeding or bruising | Bruising or bleeding of the skin for no reason. |
| Side effects that should be reported to the doctor if they persist or are bothersome | |
| Hearing loss, ringing in the ears | Diarrhea |
| Excessive thirst | Kidney stones - blood in the urine, pain when urinating, back or flank pain. |
| Appetite | Nausea, vomiting |
| Numbness, pain in the limbs | Unusual sweating |
Take-Home Message
- Acetazolamide is a special injection that is only given in a hospital. It is used to treat conditions such as swelling, glaucoma, and seizures.
- Tell your doctor about your complete medical history, especially allergies to sulfa drugs, kidney or liver disease, and if you are pregnant.
- If you develop skin lesions along with a fever, even after taking the medicine for several weeks, it could be a serious symptom. Tell your doctor immediately.
- This medicine may interact with other medications, so give your doctor a complete list of all the medications you take.
- You are safe because this medicine is administered by a professional. However, it is wise to be aware of the signs to watch out for.


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