✕
Free ₹200 worth HealthCash on app
Use HealthCash to order medicines, health products & much more
Confused about any medicine? Just ask Practo AIFREE
50000+ health queries resolved in last month
Chat with Practo AI on Whatsapp
Not finding what you need? Ask Practo AI
FREE
Chat with Practo AI on Whatsapp
Description
P-20 Tablet is a medicine used to treat glaucoma (an eye condition with abnormally high pressure inside the eye that may eventually lead to blindness) and oedema (abnormal retention of fluids). It is used in the treatment of epilepsy (fits or convulsions) in combination with other medicines. P-20 Tablet is also used to prevent or reduce the symptoms of mountain sickness. This medicine works by blocking the action of an enzyme in your body. It decreases the production of fluid within your eyes.
P-20 Tablet can cause side effects like nausea, diarrhoea, increased urge to urinate, decreased appetite, change of taste, numbness of fingers and toes, drowsiness, and flushing (redness of the skin, usually of the face). If you have blood in the urine or experience painful urination, seek medical help immediately. This medicine might cause drowsiness so avoid any activity which requires concentration like driving.
P-20 Tablet can be taken with or without food. Avoid the discontinuation of this medicine without consulting your doctor. For the ease of remembering, take the medicine at around the same time every day.
P-20 Tablet is not recommended if you are allergic to it. Inform your doctor if you are taking P-20 Tablet before undergoing surgery. Inform your doctor if you have liver or kidney problems before taking P-20 Tablet. Consult your doctor if you are pregnant, planning a pregnancy, or are breastfeeding.
QUICK LINKS:
Substitutes
List of substitutes for P-20 Tablet
Side effects
Major & minor side effects for P-20 Tablet
Diarrhoea
Vomiting
Loss of appetite
Numbness, tingling in arms or legs
Increased thirst
Increased urination frequency
Drowsiness
Headache
Confusion
Fever and cough
Blood in urine
Yellowing of skin and eyes
Sore throat
Unusual bleeding or bruising
Ringing or buzzing in the ears
Severe skin rash and hives
Change in taste
Decrease in sexual drive
Flushing
Uses of P-20 Tablet
What is it prescribed for?
Glaucoma
Glaucoma is an eye condition that damages the optic nerve in your eyes due to an increase in eye pressure. P-20 Tablet is used in the treatment of glaucoma.
Acute mountain sickness
Altitude sickness is a distressing experience when you try adjusting to lower oxygen levels generally seen at higher altitudes. Its symptoms may include an upset stomach, headache, shortness of breath, dizziness, drowsiness, fatigue, etc. P-20 Tablet is used to relieve the symptoms of altitude or mountain sickness.
Epilepsy
Epilepsy is a condition in which there is uncontrolled and abnormal nerve activity in your brain. This may cause seizures, unusual behaviour for a certain time, and loss of awareness. P-20 Tablet is used along with other medicines in the treatment of epilepsy.
Oedema
Oedema refers to an abnormal accumulation of fluid that may be associated with congestive heart failure (a condition in which the heart is unable to pump blood efficiently) or the use of specific medicines. P-20 Tablet is used along with other medicines in such conditions.
Concerns
Commonly asked questions
How long does it take for this medicine to take effect?
The effects of P-20 Tablet can be observed within 1 to 1.5 hours.How long do the effects of this medicine last?
The effect of P-20 Tablet lasts for an average duration of 8 to 12 hours. This medicine may remain in your body for 18 hours.Is it safe to consume alcohol while taking this medicine?
Interaction with alcohol is unknown. It is advisable to consult your doctor before consumption.Is this a habit forming medicine?
No habit-forming tendency was reported with P-20 Tablet.Can this medicine be taken during pregnancy?
P-20 Tablet is not recommended for use in pregnancy, unless absolutely necessary. All the benefits and risks should be discussed with your doctor before taking this medicine.Can this medicine be taken while breast-feeding?
P-20 Tablet may be taken with caution if you are breastfeeding. Consult your doctor to discuss the benefits and risks before taking this medicine.
Allergy
P-20 Tablet is not recommended if you have a known allergy to this medicine. If you notice any symptoms such as a skin rash, hives (itchy, painful eruptions that sting), itching/swelling (especially in the face/throat/lips/tongue), breathing difficulty, etc., inform your doctor and seek immediate medical attention.
Severe liver impairment
P-20 Tablet is not recommended if you have severe liver problems as it increases the risk of hepatic encephalopathy (condition when the liver fails to work properly thus, toxins start to build up in the blood that travels to the brain and affect brain function). This medicine should be used with extreme caution in case of mild to moderate liver impairment.
Severe kidney impairment
Acetazolamide is removed from the body through the kidneys. Hence, P-20 Tablet is not recommended for use if you have severe impairment of kidney function as it increases the risk of serious side effects and other complications.
Chronic non-congestive angle-closure glaucoma
Angle-closure glaucoma is a condition that occurs when the iris (coloured tissue at the front of your eye with pupil in the centre) narrows or blocks the drainage angle (area of the eye which allows the fluid to drain from the eye). Hence, fluid cannot circulate through the eyes and lead to an increase in pressure. P-20 Tablet is not recommended for use if you have chronic non-congestive angle-closure glaucoma as it may worsen your condition.
Altered levels of sodium/potassium
P-20 Tablet may increase the excretion of potassium and sodium from your body. Therefore, this medicine is not recommended if you have low blood levels of sodium and/or potassium as it may worsen your condition.
Adrenal insufficiency
Adrenal insufficiency is a disorder that occurs when the adrenal glands fail to produce a sufficient amount of certain hormones. P-20 Tablet is not recommended in such conditions as it increases the risk of severe side effects.
Warnings for special population
Pregnancy
P-20 Tablet is not recommended for use in pregnancy, unless absolutely necessary. All the benefits and risks should be discussed with your doctor before taking this medicine.
Breast-feeding
P-20 Tablet may be taken with caution if you are breastfeeding. Consult your doctor to discuss the benefits and risks before taking this medicine.
General warnings
Other medicines
P-20 Tablet may interact with many other medicines and this may cause serious side effects. Hence, you should inform your doctor if you are taking any medicines, herbs, and/or supplements.
Use in children
P-20 Tablet is not recommended for use in children since the safety and efficacy are not clinically established.
Use in elderly
P-20 Tablet should be used with extreme caution in elderly people since the risk of side effects is significantly high. Close monitoring, appropriate dose adjustments or replacement may be necessary based on the condition.
Liver diseases
P-20 Tablet should be used with caution if you have mild to moderate liver problems due to the increased risk of severe side effects. Close monitoring of liver function, appropriate dose adjustments, or replacement with a suitable alternative may be necessary.
Kidney diseases
P-20 Tablet should be used with caution in patients with mild to moderate kidney problems due to the increased risk of si effects. Close monitoring of kidney function, appropriate dose adjustments, or replacement with a suitable alternative may be necessary.
Respiratory diseases
P-20 Tablet should be used with caution if you have a history of respiratory diseases such as COPD, respiratory acidosis, etc., since it may worsen your condition. Close monitoring of lung function, appropriate dose adjustments, or replacement with a suitable alternative may be necessary based on the patient's condition.
Driving or operating machines
Use of P-20 Tablet may cause side effects such as muscle weakness, drowsiness, dizziness, and visual disturbances. If you experience any of these symptoms, avoid activities such as driving or operating a machine.
Missed Dose
If you forget to take a dose of P-20 Tablet, take it as soon as you remember. If it is time for the next scheduled dose, then skip the missed dose. Do not take an extra amount of P-20 Tablet to make up for the missed dose.
Overdose
Never take more than the prescribed dose. Contact your doctor or seek emergency medical intervention if you suspect an overdose of P-20 Tablet.
All drugs interact differently for person to person. You should check all the possible interactions with your doctor before starting any medicine.
Interaction with Alcohol
Description
Interaction with alcohol is unknown. It is advisable to consult your doctor before consumption.
Instructions
Interaction with alcohol is unknown. It is advisable to consult your doctor before consumption.
Interaction with Medicine
Dexamethasone
Pimozide
Insulin
Formoterol
Alprazolam
Choline salicylate
Digoxin
Carbamazepine
Amiodarone
Cisapride
Hydrocortisone
Zonisamide
Metformin
Aspirin
Sodium biphosphate
Magnesium salicylate
Disease interactions
Bone Marrow Depression/Blood Dyscrasias
Bone marrow depression is the decrease in bone marrow activity that results in reduced production of blood cells and anaemia. P-20 Tablet should be used with caution if you have bone marrow depression or blood dyscrasias (disease or disorder of the blood) as it may worsen your condition. Your doctor may regularly monitor your complete blood counts and platelet count. Appropriate dose adjustment or replacement with a suitable alternative may be necessary based on your clinical condition.
Respiratory acidosis
Respiratory acidosis is a condition that occurs when your lungs are not able to remove the carbon dioxide produced in the body. P-20 Tablet should be used with caution if you have respiratory acidosis or a history of lung problems as it can worsen your condition. Regular monitoring of the functioning of your lungs, appropriate dose adjustments, or replacement with a suitable alternative may be necessary.
Diabetes Mellitus
P-20 Tablet should be used with caution if you have Diabetes mellitus. An increase in blood sugar levels and altered blood potassium levels has been reported in people with diabetes receiving P-20 Tablet. It is recommended that you regularly monitor your blood sugar levels and electrolyte levels. Appropriate dose adjustments or replacement with a suitable alternative may be necessary based on your clinical condition.
Gout
Gout is a condition that may occur due to an increased level of uric acid in your body. P-20 Tablet reduces the excretion of uric acid from your body. Hence, if you have gout or gouty arthritis, it may deteriorate your condition. Close monitoring of uric acid levels is indicated. Appropriate dose adjustments or replacement with a suitable alternative may be necessary based on your clinical condition.
Metabolic acidosis
Long-term treatment with P-20 Tablet can lead to metabolic acidosis (a condition in which there is excessive acid in the body fluids).
Food interactions
Information not available.
Lab interactions
Information not available.
Take P-20 Tablet with or without food. Take it exactly as prescribed by your doctor. Avoid taking a higher dose or for a longer period than that advised by your doctor.
Ensure that the course of treatment is completed. Do not stop the use of P-20 Tablet without consulting your doctor.
This medicine may increase your frequency of urination. Hence, take the last dose for the day in the early evening to prevent frequent urination at night.
This medicine may decrease the potassium level in your body. Take potassium-rich food such as bananas or orange juice while taking P-20 Tablet.
Miscelleneous
How it works
P-20 Tablet blocks the actions of a certain enzyme in your body. This helps to lower the pressure within your eyes.
It also decreases the accumulation of fluid in your body.
This mechanism also helps to control seizures.
It also increases the excretion of sodium, potassium, bicarbonate, and water from the body and helps in relieving the symptoms of altitude/mountain sickness
Legal Status
Classification
Category
Carbonic anhydrase inhibitors
Schedule
Schedule H
Medicines.org.uk. 2021. Acetazolamide 250mg Tablets - Summary of Product Characteristics (SmPC) - (emc). [online] Available at: < [Accessed 3 August 2021].
Drugs, H., 2021. Acetazolamide: MedlinePlus Drug Information. [online] Medlineplus.gov. Available at: < [Accessed 3 August 2021].
Dailymed.nlm.nih.gov. 2021. DailyMed - ACETAZOLAMIDE tablet. [online] Available at: < [Accessed 3 August 2021].
Related Questions
Question:
What is the dosage for P250 suspension for 1year old female baby weight 7.8 kg?.i bought the suspens...more
Answer from Dr. Vivek Saxena
2 ml
Question:
Can we give phenergan for babies to treat cold is it safe
Am giving p20 for fever he is suffering f...more
Answer from Dr. Susanta Kumar Saha
It has sedative effect....better medications r there 4 cold.....u can use p120 f...more
Question:
My 1year baby (8kgweight) is having cold & fever for 2 days. Our doctor suggested paracetamol p20 & ...more
Answer from Dr. BT Vignesh
Paracetamol 120 mg -5ml every 6 hour
Cough syrup 3 ml every 8 hours
Information on this page was last updated on 7 Oct 2021
Disclaimer
We’ve made all possible efforts to ensure that the information provided here is accurate, up-to-date and complete, however, it should not be treated as a substitute for professional medical advice, diagnosis or treatment. Practo only provides reference source for common information on medicines and does not guarantee its accuracy or exhaustiveness. The absence of a warning for any drug or combination thereof, should not be assumed to indicate that the drug or combination is safe, effective, or appropriate for any given patient. Practo does not assume any responsibility for any aspect of healthcare administered with the aid of information provided above. If you have any doubts about your medication then we strongly recommend that you consult with your doctor, nurse or healthcare provider. See detailed T&C here.