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LIDOCAINE 2% WITH PRESERVATIVE INJECTION - Patient leaflet, side effects, dosage

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Patient leaflet - LIDOCAINE 2% WITH PRESERVATIVE INJECTION

1. what lidocaine 2% with preservative injection is and what it is used for

are sensitive or allergic to lidocaine hydrochloride or any of the preservatives (methylhydroxybenzoate and propylhydroxybenzoate) or other ingredients in this injection. the preservatives are often known just as benzoates or hydroxyl-benzoates. (see also section 4. “possible side effects” for further information)

Tell your doctor if you ever had an allergic or bad reaction, for example, skin rash or breathlessness, to any local anaesthetic medicines or to any preservatives.

  • Have certain heart disorders. Tell your doctor if you have any heart problems particularly where your heart may pump blood less efficiently, may beat irregularly, or may beat more slowly.

Please tell your doctor or nurse before being given the injection if you:

  • suffer from Porphyria – a disorder of the blood. Tell your doctor if you have any blood disorders.
  • suffer from a heart or a breathing disorder.
  • have kidney or liver disease.
  • are feeling unwell or run down for any reason.
  • suffer from epilepsy or have fits.
  • have myasthenia gravis (a condition causing weakness of your muscles).
  • are in shock.
  • have a blood disorder or an imbalance in the constituents of your blood.
  • have inflammation or infection in the area to be injected.

Using other medicines:

Please tell your doctor or nurse if you are taking or have recently taken any other medicines, including medicines obtained without a prescription. This is especially important with the following medicines as they may interact with your Lidocaine 2% with preservative Injection:

  • Acetazolamide (used to reduce pressure within the eye).
  • Cimetidine (for stomach ulcer or heartburn).
  • Dolasetron (used to prevent / treat nausea and vomiting).
  • Quinupristin and dalfopristin (antibiotics)
  • Beta-blockers, for example propranolol, (for angina, high blood pressure or other heart problems).
  • Diuretics (water tablets).
  • Anti-virals – medicines used to treat infections caused by viruses (e.g. HIV).
  • Anti-arrhythmics – medicines used to regulate the rhythm of your heart.
  • Anti-psychotics – medicines used to treat certain psychiatric conditions (e.g. Schizophrenia).
  • Muscle relaxants, (e.g. Suxamethonium).

Pregnancy or breast feeding:

Please tell your doctor or nurse before being given this injection if you are pregnant or breast feeding. The doctor will then decide if the injection is suitable for you.

Driving and using machines:

Depending on where and how Lidocaine 2% with preservative Injection is used, it may affect your ability to drive or operate machinery. Ask your doctor about when it would be safe to drive or operate machines.

You should not drive or use machinery if you are affected by the administration of Lidocaine 2% with preservative Injection.

3. how to use lidocaine 2% with preservative injection

Your nurse or doctor will give you the injection.

Your doctor will decide the correct dosage for you and how and when the injection will be given. Since the injection will be given to you by a doctor or nurse, it is unlikely that you will be given too much. If you think you have been given too much, you must tell the person giving you the injection. Lidocaine 2% with preservative Injection is only intended to be given by injection under your skin (subcutaneously or SC).

4. possible side effects

Like all medicines, Lidocaine 2% with preservative Injection can cause side effects, although not everybody gets them.

Allergic reactions:

  • Allergic reactions to lidocaine hydrochloride are rare, but tell your doctor immediately if you get any difficulty with your breathing, a rash or itchy skin.
  • The preservatives (see section 6. “Further information”) used in this injection may cause allergic reactions (possibly delayed) and very rarely bronchospasm (your breathing may stop).

Nervous and psychiatric disorders:

  • Dizziness or lightheadedness, drowsiness, tremor, confusion, your tongue going numb – sometimes these symptoms may indicate that you have been given too much lidocaine.
  • Convulsions (seizures).

Eye disorders:

  • Blurred or double vision.

Ear disorders:

  • Tinnitus (a ringing in your ears).
  • Hyperacusis (you are more sensitive to everyday sounds).

Heart disorders:

  • Increased or decreased blood pressure.
  • Slowing and stopping of your heart.
  • Changes in the rhythm of your heart.

Breathing disorders:

  • You may find it more difficult to breathe or your breathing may stop.

Gastrointestinal disorders:

  • Nausea (feeling sick) and vomiting (being sick). Skin disorders:
  • Rash, itching and swelling of the face.
  • Pain, inflammation or numbness at the site of injection after the effects of the injection should have worn off.

For patients going home before the numbness or loss of feeling caused by a local anaesthetic wears off:

  • During the time that the injected area feels numb, serious injury can occur without your knowing about it. Be especially careful to avoid injury until the anaesthetic wears off or feeling returns to the area.

If you think this injection is causing you any problems, or you are at all worried, talk to your doctor, nurse or pharmacist.

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:. By reporting side effects you can help provide more information on the safety of this medicine.

  • 5. Storing Lidocaine 2% with preservative Injection

Your injection will be stored between 10°C and 25°C and protected from light. The nurse or doctor will check that the injection is not past its expiry date before giving you the injection.

  • 6. Further information

Frequently Asked Questions

What is Lidocaine 2% with preservative injection used for?

Lidocaine 2% with preservative injection is primarily used as a local anesthetic. It provides temporary numbness in specific areas during medical procedures such as dental work, minor surgeries, or injections.

How does Lidocaine work to relieve pain?

Lidocaine works by blocking nerve signals in the body. When injected, it numbs the targeted area, preventing pain signals from reaching the brain.

Can Lidocaine 2% be used for children?

Yes, Lidocaine 2% can be used in children but only under the supervision of a healthcare professional. The dosage may vary based on the child's age and weight.

What should I do if I experience an allergic reaction to Lidocaine?

If you suspect an allergic reaction such as hives, difficulty breathing, or swelling of the face or throat, seek emergency medical attention immediately.

Is there any special preparation needed before receiving a Lidocaine injection?

Generally, no special preparation is needed. However, it's important to inform your healthcare provider about your medical history and any medications you take.

How long does the numbing effect of Lidocaine last?

The numbing effect of Lidocaine typically lasts between one to three hours, depending on the dose and site of injection.

Can I drive after receiving a Lidocaine injection?

It is usually safe to drive after receiving a Lidocaine injection since it only numbs a specific area. However, if you feel dizzy or unwell afterward, it's best to avoid driving.

Are there any side effects associated with Lidocaine injections?

Common side effects may include redness or swelling at the injection site. More severe side effects can occur but are rare. Always discuss potential risks with your healthcare provider.

Can I take other medications while using Lidocaine?

It's essential to inform your doctor about all medications you are taking before receiving a Lidocaine injection to avoid potential interactions.

Is Lidocaine safe during pregnancy or breastfeeding?

Lidocaine is generally considered safe during pregnancy and breastfeeding but always consult your doctor for personalized advice.

How should I care for the injection site after receiving Lidocaine?

Keep the area clean and dry. Avoid touching or scratching it and follow any specific instructions given by your healthcare provider.

What should I do if I miss a scheduled Lidocaine injection appointment?

If you miss an appointment for a Lidocaine injection, contact your healthcare provider to reschedule as soon as possible.

Can Lidocaine be used for chronic pain management?

Lidocaine injections are not typically used for chronic pain management but may be part of a broader treatment plan under medical supervision.

Are there alternatives to using Lidocaine for numbing?

Yes, there are other local anesthetics available. Your healthcare provider can discuss these alternatives based on your specific needs.

Will I feel pain during the injection process with Lidocaine?

You may feel a small pinch or sting when the lidocaine is injected, but it should quickly become numb afterward.

How often can I have a Lidocaine injection?

The frequency of Lidocaine injections depends on individual treatment plans and medical guidelines. Always follow your doctor's recommendations.

Is it possible to overdose on Lidocaine injections?

While rare, an overdose can occur if too much lidocaine is administered. Signs include dizziness, seizures, or difficulty breathing—seek medical help immediately if these occur.

Can I have dental work done after receiving a Lidocaine injection?

Yes, you can have dental work done after receiving a lidocaine injection; it is often used specifically for this purpose to minimize discomfort during procedures.

What happens if I don’t feel numbness after my Lidocaine injection?

If you do not experience numbness as expected after your lidocaine injection, contact your healthcare provider right away for further evaluation and treatment options.