Lamivudine
Uses of Lamivudine
Lamivudine is primarily used in managing human immunodeficiency virus (HIV) infection and chronic hepatitis B virus (HBV) infection. It belongs to a group of medicines known as nucleoside reverse transcriptase inhibitors (NRTIs).
Side effects of Lamivudine
Headache
Nausea
Diarrhoea
Fatigue
Stuffy nose
How Lamivudine works
Lamivudine is a nucleoside reverse transcriptase inhibitor (NRTI) and antiretroviral medicine (treats HIV infection or AIDS).
Mainly, it functions by blocking a vital enzyme known as HIV-1 reverse transcriptase in the body. This enzyme normally helps the HIV virus to replicate and spread within the body. By blocking this enzyme, this medicine stops or slows down the replication of the virus, thus reducing its levels in the body. It also works in a similar way against the hepatitis B virus (HBV). By inhibiting HBV reverse transcriptase, it decreases viral replication which ultimately reduces liver inflammation caused by the virus.
Certified content
Written By
BDS, MDS
Reviewed By
Bachelor of Dental Surgery
Expert Advice
Dosage Forms Available
Lamivudine is available as tablet and solution for oral administration.
Age and Dose Restrictions
Lamivudine is intended for use in both adults and children.
Contraindications
Lamivudine is contraindicated in patients with a known hypersensitivity to Lamivudine or any of its components. Patients with severe kidney disease or diabetes must not take this medication unless recommended by their doctor.
Other Medications to Avoid
Lamivudine can interact with other antiretroviral medicines (e.g., zidovudine, abacavir) and certain hepatitis B medications (e.g., entecavir, telbivudine).
Overdose and Missed Dose
An overdose of Lamivudine can result in severe nausea, vomiting, or unusual tiredness. If you suspect an overdose, contact your doctor immediately.
If you miss a dose of this medicine, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and continue with your regular schedule. Do not take a double dose to make up for a missed one.
Management of Side Effects
Most side effects are temporary and generally harmless and resolve when discontinuing this medicine. However, if you experience any severe side effects or worsening of any of the symptoms, please consult your doctor.
If you experience nausea after taking Lamivudine, try taking it with food.
Drinking plenty of fluids can help manage diarrhoea or constipation caused by Lamivudine.
Resting and avoiding strenuous activities can help manage fatigue caused by Lamivudine.
Use in Driving and Operating Machinery
Lamivudine does not usually affect your ability to drive or operate machines. However, if you feel dizzy, do not drive or operate machines until you feel well again.
Use in Pregnancy and Lactation
The safety of using Lamivudine during pregnancy is not established. Therefore, it should only be used during pregnancy if the potential benefits outweigh the risks. This medicine can pass into breast milk. Therefore, breastfeeding while using this medication is not recommended.
Caution in Other Conditions
Caution should be exercised when using Lamivudine in patients with a history of pancreatitis or hepatic impairment because it can worsen these conditions.
Special Dietary and Lifestyle Recommendations
It is essential to avoid risky behaviours such as sharing needles or having unprotected sex to prevent the spread of HIV or hepatitis B.
Frequently asked questions
Is Lamivudine a steroid?
No, Lamivudine is not a steroid. It belongs to a class of medications known as nucleoside reverse transcriptase inhibitors (NRTIs), which are used in the management of HIV and chronic hepatitis B virus (HBV) infection.
Does Lamivudine have any effect on sleep?
Lamivudine does not typically have any particular effect on sleep. However, like any medication, individual reactions can vary. If you experience unusual sleep-related side effects after starting this medication, please consult your doctor.
Will Lamivudine affect fertility?
There is no specific information suggesting that Lamivudine directly impacts fertility. However, having chronic illnesses like HIV or HBV could influence fertility indirectly. It's best to discuss this concern with your doctor.
Is it safe to take Lamivudine daily?
Yes, it is safe to take Lamivudine daily as prescribed by your doctor. It's crucial to adhere strictly to your doctor's instructions when taking any medication.
How much time does Lamivudine take to work?
The length of time it takes for Lamivudine to start working can vary depending on various factors, including the stage of the infection and the individual's overall health.
Is the Lamivudine available over the counter, or do I need a prescription?
Lamivudine usually requires a prescription from a doctor and is generally not available over the counter.
Can I take herbal supplements while on Lamivudine?
Before starting any herbal supplements while on any medication, including Lamivudine, it is recommended that you consult your doctor regarding potential interactions.
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