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Emtricitabine
Emtricitabine is an antiretroviral medication used to prevent and treat HIV, the virus that can cause AIDS. It works by blocking a key enzyme required for the virus to multiply in the body, thereby reducing the amount of HIV in the body. Remember, while emtricitabine can help control HIV and boost your immune system, it doesn't cure HIV or AIDS. Some common side effects include headache, diarrhea, and nausea.
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Frequently Asked Questions
Can Emtricitabine prevent HIV infection after exposure?
Emtricitabine is used as part of postexposure prophylaxis (PEP), which is treatment started immediately after possible exposure to HIV. However, this should only be initiated under medical supervision.
Can I drink alcohol while taking Emtricitabine?
Alcohol doesn't interact with emtricitabine. However, heavy drinking can weaken your immune system and can make your antiretroviral therapy less effective.
Does Emtricitabine cure HIV?
No, there's currently no cure for HIV. But Emtricitabine can help control the virus and prevent it from progressing to AIDS.
What should I do if I miss a dose of Emtricitabine?
If you miss a dose, take it as soon as you remember. If it's close to the time of your next dose, skip the missed dose and continue your regular dosing schedule. Don't double up.
Will I need to use protection during sex if I'm taking Emtricitabine?
Yes, emtricitabine doesn't prevent the transmission of HIV to others. You should always use a condom to reduce the ris
Comprehensive Drug Guide
How Does Emtricitabine Work?
Emtricitabine is a nucleoside reverse transcriptase inhibitor (NRTI) that prevents HIV from multiplying by blocking a key enzyme called reverse transcriptase.
What is Emtricitabine Used For?
FDA indications: Emtricitabine is used with other HIV medications to help control HIV infection. It lowers the amount of HIV in your body so your immune system can work better.
Offlabel uses: There's no known offlabel use for Emtricitabine.
Common Dosages
Capsules: 200mg
Oral solution: 10mg/mL
Typical Dosing
FDA Approved Indications
- HIV infection (adults): 200mg once daily.
- HIV infection (children): dosing is based on body weight and will be determined by the healthcare provider.
Off-Label Uses
- Currently, there are no offlabel uses for Emtricitabine.
Who Shouldn't Take Emtricitabine?
- You mustn't take emtricitabine if you're allergic to it or any of its ingredients.
- If you have renal impairment, dose adjustment might be necessary.
- Avoid using emtricitabine if you're currently taking other medications containing emtricitabine, lamivudine, or tenofovir.
Advice From The Pharmacist
- Take emtricitabine exactly as prescribed by your healthcare provider. Do not skip doses.
- You can take it with or without food.
- Emtricitabine is usually taken once a day.
- If you miss a dose, take it as soon as you remember. If it's close to the time of your next dose, skip the missed dose.
- Do not stop taking it without talking to your healthcare provider. Stopping emtricitabine may make your HIV infection worse.
Side Effects of Emtricitabine
Common Side Effects
- Sleeping trouble
- Headache
- Dizziness
- Diarrhea
- Nausea
Uncommon/Severe Side Effects
- Uncommon side effects:
- Changes in the shape or location of body fat (lipodystrophy)
- Darkening of the skin (hyperpigmentation) on the palms or soles
- Rare side effects:
- Lactic acidosis (too much acid in the blood)
- Liver problems, especially with Hepatitis B coinfection
Risks and Warnings of Emtricitabine
- Remember that emtricitabine doesn't cure HIV or prevent other sexually transmitted diseases. It's important to continue using protection during sexual activity.
- Make sure to tell your healthcare provider if you have kidney problems before starting emtricitabine.
- Be aware that stopping emtricitabine can cause a serious condition called immune reconstitution syndrome.
- The drug can cause lactic acidosis, a serious medical emergency that can lead to death. If you feel weak or lightheaded and have fast or irregular heartbeats, seek medical help right away.
- Emtricitabine may also cause severe liver problems that could potentially lead to death. Contact your doctor if you have yellowing of the skin, darkcolored urine, or if you feel tired or lack appetite.
Interactions with Emtricitabine
Common Drug Interactions
- Tenofovir
- Lamivudine
- Adefovir
- Orlistat
Alternatives to Emtricitabine
- Abacavir
- Didanosine
- Zidovudine
- Lamivudine
- Tenofovir
