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DAPSONE 50 MG TABLETS - Patient leaflet, side effects, dosage

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Patient leaflet - DAPSONE 50 MG TABLETS

. What Dapsone is and what it is used for


255.0 mm


Dapsone belongs to a group of medicines called antibacterials. It works by stopping the production of folic acid in certain bacteria, therefore stopping them growing.

Dapsone may be used for:

  • leprosy
  • skin problems
  • the prevention of malaria in combination with pyrimethamine
  • the prevention of pneumonia in immunodeficient patients, especially in AIDS patients.

  • probenecid (to treat gout)
  • rifampicin or trimethoprim (antibiotics to treat infections).

2. What you need to know before you take Dapsone Tablets


Do not take Dapsone tablets and tell your doctor if you:

  • are allergic (hypersensitive) to Dapsone, any of the other ingredients in the tablet, or to similar medicines such as sulfonamide or sulfone (see section 6). An allergic reaction may include a rash, itching, difficulty breathing or swelling of the face, lips, throat or tongue
  • suffer from severe anaemia
  • have porphyria (a genetic or inherited disorder of the red blood pigment, haemoglobin)
  • suffer from severe glucose-6-phosphate dehydrogenase (G6PD) deficiency, this can cause episodes of anaemia after eating certain foods such as fava beans (favism).

Take special care with Dapsone tablets and tell your doctor if you:

  • suffer from other blood disorders.
  • suffer from heart or lung disease.

If you are not sure if any of the above applies to you, talk to your doctor or pharmacist before taking this medicine.

Taking other medicines

Please tell your doctor or pharmacist if you are taking or have recently taken any other medicines, including medicines obtained without a prescription.


If you are unsure of the types of medicines you are taking, ask your doctor or pharmacist.

Pregnancy and breast feeding

If you are pregnant or planning to become pregnant, your doctor may prescribe you folic acid supplements. Dapsone can be present in breast milk. There has been a report of anaemia in an infant being breast fed by a mother taking Dapsone tablets.

If you are concerned, check with your doctor or pharmacist.

Ask your doctor or pharmacist for advice before taking any medicines.

Driving and using machines

You should be able to drive and use machinery whilst taking Dapsone tablets.

Dapsone Tablets contain lactose

This product contains lactose. If you have been told by your doctor that you have an intolerance to some sugars, please contact your doctor before taking this medicinal product.


  • Pneumocystis carinii pneumonia: In combination with trimethoprim, 50–100mg daily or 100mg twice weekly or 200mg once weekly.

Elderly

If you have a damaged liver your doctor may give you a lower dose.

Children 6–12 years:

  • Multibacillary leprosy: 50mg daily for at least two years.
  • Paucibacillary leprosy: 50mg daily for at least six months.

Continue to take them for as long as your doctor tells you to, it may be dangerous to stop without their advice.

If you take more Dapsone than you should:

If you (or someone else) swallow a lot of tablets at the same time, or you think a child may have swallowed any, contact your nearest hospital casualty department or tell your doctor immediately.

If you forget to take Dapsone:

Do not take a double dose to make up for a forgotten dose. If you forget to take a dose take it as soon as you remember it and then take the next dose at the right time.

If you have any further questions on the use of this product, ask your doctor or pharmacist.


  • Effects on the nervous system: headache, difficulty sleeping, nerve damage which may cause tingling in your arms or legs and some weakness.
  • Effects on the gastrointestinal system: loss of appetite, feeling or being sick, inflammation of the liver.
  • Other effects: fast heartbeat, mental disturbances, changes in liver function tests, jaundice.

Reporting of side effects

If you get any side effects, talk to your doctor, pharmacist or nurse.This includes any possible side effects not listed in this leaflet. You can also report side effects directly via the Yellow Card Scheme at: ) or search for MHRA Yellow Card in the Google Play or Apple App Store. By reporting side effects you can help provide more information on the safety of this medicine.


5. How to store Dapsone Tablets


4. Possible side effects


3. How to take Dapsone Tablets


Always take this medicine exactly as your doctor or pharmacist has told you. You should check with them if you are not sure.

Swallow the tablets with some water.

The usual doses are:

Adults and children over 12 years:

  • Multibacillary leprosy: 100mg daily for at least two years.
  • Paucibacillary leprosy: 100mg daily for at least six months.
  • Malaria prophylaxis: 100mg weekly with 12.5mg pyrimethamine.
  • Dermatitis herpetiformis: Initially 50mg daily which may be gradually increased to 300mg daily and then reduced to a usual maintenance dose of 25mg-50mg daily.

Like all medicines, Dapsone tablets can cause side effects, particularly when you first start taking them, although not everybody gets them. Please tell your doctor or pharmacist if you notice any of the following effects or any effects not listed.

Contact your doctor at once if the following occur:

  • Dapsone syndrome: a ‘dapsone syndrome’ may occur after 3–6 weeks of treatment. Symptoms always include rash, fever and changes in blood cells. It is important to seek medical help immediately as severe skin reactions, inflammation of the liver, kidney damage and mental illness have occurred if treatment is not stopped or reduced. Some deaths have been reported.
  • Effects on your leprosy: if you are being treated for leprosy and your condition does not improve or you get eye or nerve damage, talk to your doctor.

Tell your doctor if you notice any of the following side effects or notice any other effects not listed:

  • Effects on the blood: anaemia caused by destruction of red blood cells, changes in the type and number of other blood cells (you may develop ulcers in your mouth or on your skin).
  • Effects on the skin: rash which can be raised, discoloured, tender, destructive or itchy, sensitivity to sunlight or artificial light such as sun-bed (symptoms such as tingling, burning or redness of the skin). Rarely skin conditions may be associated with fever, malaise, lung or kidney damage.

Keep all medicines out of the sight and reach of children.

Do not use this medicine after the expiry date which is stated on the carton and blister as [EXP MM/YYYY]. The expiry date refers to the last day of that month.

Keep the tablets in the original package in order to protect from light.

Medicines should not be disposed of via wastewater or household waste. Ask your pharmacist how to dispose of medicines no longer required. These measures will help to protect the environment.


6. Contents of the pack and other information


What Dapsone contains:

The active substance (the ingredient that makes the tablets work) is dapsone. Each tablet contains 50 mg of the active ingredient.

The tablets also contain lactose monohydrate, pregelatinised maize starch, maize starch, sodium lauryl sulfate, stearic acid and magnesium stearate.

What Dapsone looks like and contents of the pack:

Dapsone 50 mg Tablets are white, circular, biconvex tablets, debossed with ‘50’ on one side and with a score line between ‘D’ & ‘P’ on the other side.

Dapsone tablets are available in boxes of 28 tablets.

Marketing authorisation holder:

Dr. Reddy’s Labora­tories (UK) Ltd., 6 Riverview Road, Beverley, East Yorkshire, HU17 0LD, United Kingdom

Manufacturer:

Tiofarma B.V.

Benjamin Franklinstraat 5–9

3261 LW Oud-Beijerland

The Netherlands

This leaflet was last revised in August 2020.

DR335070

PL 08553/0634


Artwork

Brand:

Dr Reddy’s

Product Name:

Dapsone

Strength:

50 mg

Form:

Tablets

Component:

Leaflet

Pack Size:

28’s

Country:

UK

Date Created:

24 JUL 2018

Date Modified:

12 AUG 2020

Version:

1.3

Technical Information


I Die Cut

Guides


Min Font Size:

Printer:

Dimensions:

Project:


9pt

Tiofarm

148 × 255 mm

CC1000041372


Colours



Dr. Reddy’s

Good Health Can’t Wait

Dr. Reddy’s Labora­torie$(EM PT

6 Riverview Road, Beverley, $(EM PT


Frequently Asked Questions

What is Dapson 50 mg used for?

Dapson 50 mg tablets are primarily used to treat certain types of infections, especially leprosy and dermatitis herpetiformis, which is a skin condition associated with celiac disease.

How does Dapson work in the body?

Dapson works by inhibiting the growth of bacteria and reducing inflammation in the skin, helping to clear infections effectively.

Can I take Dapson with other medications?

Before taking Dapson, it's important to inform your doctor about all medications you are currently taking, as some drugs may interact with it.

What should I do if I miss a dose of Dapson?

If you miss a dose of Dapson, take it as soon as you remember. If it's almost time for your next dose, skip the missed dose and continue with your regular schedule.

What are the common side effects of Dapson?

Common side effects may include nausea, vomiting, headache, dizziness, and skin rash. If you experience severe side effects, contact your doctor immediately.

Is there any food or drink I should avoid while taking Dapson?

There are no specific foods or drinks to avoid while on Dapson. However, maintaining a balanced diet can help manage side effects.

How long will I need to take Dapson?

The duration of treatment with Dapson can vary based on your condition. Always follow your doctor's instructions regarding how long to take this medication.

Can pregnant or breastfeeding women take Dapson?

Dapson should be used during pregnancy and breastfeeding only if clearly needed. Consult with your healthcare provider for advice tailored to your situation.

What happens if I take too much Dapson?

Taking too much Dapson can lead to overdose symptoms such as confusion and dizziness. Seek immediate medical attention if you suspect an overdose.

Will Dapson affect my blood test results?

Dapson can potentially affect certain lab tests, so inform your healthcare provider that you're using this medication before any blood tests.

Can I stop taking Dapson suddenly?

You should not stop taking Dapson without consulting your doctor first. Stopping suddenly can worsen your condition or lead to withdrawal symptoms.

Is it safe to drive while taking Dapson?

Some individuals may experience dizziness or blurred vision while taking Dapson. Be cautious when driving or operating machinery until you know how this medication affects you.

What should I do if I have an allergic reaction to Dapson?

If you suspect an allergic reaction to Dapson (symptoms like rash, itching, or swelling), seek medical help immediately.

Can children take Dapson 50 mg tablets?

Dapson can be prescribed for children but dosage will depend on their age and weight. Always consult a pediatrician before giving this medication.

Are there any serious side effects I should be aware of when taking Dapson?

Serious side effects include severe skin reactions and liver problems. Report any unusual symptoms to your doctor right away.

How should I store my Dapson tablets?

Store Dapson tablets at room temperature away from moisture and heat. Keep them out of reach of children and pets.

Can I drink alcohol while taking Dapson?

It's best to limit alcohol consumption while on Dapson as it may increase the risk of liver issues and exacerbate side effects.

How does my diet impact the effectiveness of Dapson?

While diet does not directly impact the effectiveness of Dapson, a healthy diet can support overall health during treatment and help manage side effects.

What should I do if my symptoms do not improve after starting Dapson?

If your symptoms do not improve after a few weeks on Dapson, contact your doctor for further evaluation and possible adjustments to your treatment plan.