Acetazolamide prevents and alleviates altitude sickness symptoms.
Symptoms include headache, tiredness, nausea, dizziness, and shortness of breath.
Effective above 10,000 feet/3,048 meters.
Useful for rapid ascents.
Best prevention methods: slow climbing, rest stops, easy activity for 1-2 days.
Also treats high eye pressure in glaucoma.
Belongs to carbonic anhydrase inhibitors class.
Reduces fluid production in the eye.
Treats edema from heart failure or certain medications.
Usage typically short-term due to decreased effectiveness over time.
Used with other drugs for certain seizures.
Dosage and administration
Take tablets 1-4 times daily, or long-acting capsules 1-2 times daily as directed by doctor.
Swallow capsules whole, don’t open, break, or chew.
Can be taken with or without food.
Drink plenty of fluids unless directed otherwise.
Dosage based on medical condition and response.
Start acetazolamide 1-2 days before climbing for altitude sickness prevention.
Continue during climb and for 48 hours after reaching final altitude.
May need to continue at high altitude to control symptoms.
Severe altitude sickness requires immediate descent.
Regular use for other conditions like glaucoma or seizures for maximum benefit.
Take consistently at same time(s) each day.
Taking last dose early evening helps prevent night-time urination.
Don’t increase dose or use more often/longer than prescribed.
Extended use may require different dosing, doctor monitors condition.
Inform doctor if no improvement or worsening condition.
Medication may lower potassium levels; eat potassium-rich foods or take supplements as directed by doctor.
Inform doctor if condition persists or worsens.
Side effects
Possible side effects: dizziness, lightheadedness, increased urination, blurred vision, dry mouth, drowsiness, loss of appetite, nausea, vomiting, diarrhea, changes in taste.
Inform doctor/pharmacist if side effects persist or worsen.
Rise slowly from sitting or lying down to reduce dizziness/lightheadedness risk.
Serious side effects may include tingling of hands/feet, hearing loss, ringing in ears, unusual tiredness, easy bleeding/bruising, irregular heartbeat, muscle cramps/pain, new or worsening eye pain, vision changes, mental/mood changes, signs of liver or kidney problems, signs of infection.
Seek immediate medical help for signs of serious allergic reaction: rash, itching/swelling, severe dizziness, trouble breathing.
Not a complete list of possible side effects; contact doctor/pharmacist for other effects.
Precautions
Inform doctor/pharmacist of allergies, medical history, including adrenal gland problems, mineral imbalances, dehydration, kidney/liver disease, breathing problems, diabetes, gout, narrow-angle glaucoma, overactive thyroid.
Medication helps acclimate to high altitudes but doesn’t prevent serious altitude sickness.
Symptoms of serious altitude sickness include severe shortness of breath, mental/mood changes, lack of coordination, extreme tiredness, severe headache; descend to lower altitude if experienced.
May cause dizziness, drowsiness, or blurred vision; avoid driving, operating machinery, or activities requiring alertness until safe.
Alcohol or marijuana can increase dizziness or drowsiness; limit consumption.
Monitor blood sugar levels regularly, especially if diabetic; report symptoms of high or low blood sugar to doctor.
May increase sensitivity to sun; limit sun exposure, use sunscreen, wear protective clothing; report sunburn or skin irritation to doctor.
Inform healthcare provider of all medications used, including prescription, nonprescription, and herbal products, before surgery.
Older adults may be more sensitive to effects, particularly dizziness and lightheadedness.
Use during pregnancy only if clearly needed; discuss risks and benefits with doctor.
Consult doctor before breastfeeding; medication passes into breast milk but unlikely to harm infant.
Additional information
Brand Name:
Diamox
Scientific Name:
Acetazolamide
Other Names:
Acetazolamide, Diazomid
Strength(s):
250mg
Quantities Available:
90, 100, 180
Formulation:
Tablet
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Diamox
Acetazolamide
