Efavir 200mg Tablet belongs to a group of medicines called antiretrovirals. It is used to treat HIV (human immunodeficiency virus), the virus that can cause AIDS (acquired immunodeficiency syndrome). It helps to control HIV infection so your immune system can work better.

Efavir 200mg Tablet reduces the chances of getting HIV-related complications and improves your lifespan. It can be taken empty stomach or with food and is prescribed in combination with other HIV medicines. Taking all these medicines regularly at the right times greatly increases their effectiveness and reduces the chances of HIV becoming resistant to them. It is important to keep taking them regularly until your doctor tells you it is safe to stop.

Common side effects of this medicine include headache, nausea, vomiting, stomach pain, fatigue, diarrhea, and rash. These are usually not serious but tell your doctor if they bother you or do not go away. Consult your doctor urgently if you experience a skin reaction or liver damage.

Before taking it, tell your doctor if you have any skin, liver, or kidney problems. While using it, you may need regular blood tests to check your blood cell counts and liver function. Avoid drinking alcohol as it may increase your risk of liver damage. Pregnant or breastfeeding mothers should consult their doctor before using this medicine. Do not have unprotected sex or share personal items like razors or toothbrushes, if you are HIV positive. Talk to your doctor about safe ways like condoms to prevent HIV transmission during sex.

Uses of Efavir Tablet

Treatment of HIV infection

Benefits of Efavir Tablet

In Treatment of HIV infection

Efavir 200mg Tablet decreases the amount of HIV in the body. It helps control the infection and makes the immune system work better. This ensures a long and healthy life. This drug is usually given in combination with other medicines. Avoid skipping doses and follow the doctor’s instructions carefully to get maximum benefits.

Side effects of Efavir Tablet

Most side effects do not require any medical attention and disappear as your body adjusts to the medicine. Consult your doctor if they persist or if you’re worried about them

Common side effects of Efavir

Headache
Nausea
Dizziness
Vomiting
Increased liver enzymes
Insomnia (difficulty in sleeping)
Sleepiness
Abnormal dreams
Anxiety
Itching
Difficulty in paying attention
Rash
Abdominal pain
Diarrhea
Depression
Fatigue
Pain
Decreased appetite

How to use Efavir Tablet

Take this medicine in the dose and duration as advised by your doctor. Swallow it as a whole. Do not chew, crush or break it. Efavir 200mg Tablet is to be taken empty stomach.

How Efavir Tablet works

Efavir 200mg Tablet prevents the multiplication of HIV virus in human cells, thereby stopping the HIV virus from producing new viruses.

Safety advice

Alcohol

CAUTION

Caution is advised when consuming alcohol with Efavir 200mg Tablet. Please consult your doctor.

Pregnancy

CONSULT YOUR DOCTOR

Efavir 200mg Tablet is unsafe to use during pregnancy as there is definite evidence of risk to the developing baby. However, the doctor may rarely prescribe it in some life-threatening situations if the benefits are more than the potential risks. Please consult your doctor.

Breast feeding

SAFE IF PRESCRIBED

Efavir 200mg Tablet is probably safe to use during breastfeeding. Limited human data suggests that the drug does not represent any significant risk to the baby.

Driving

UNSAFE

Efavir 200mg Tablet may decrease alertness, affect your vision or make you feel sleepy and dizzy. Do not drive if these symptoms occur.

Kidney

SAFE IF PRESCRIBED

Efavir 200mg Tablet is probably safe to use in patients with kidney disease. Limited data available suggests that dose adjustment of Efavir 200mg Tablet may not be needed in these patients. Please consult your doctor.

Liver

CAUTION

Efavir 200mg Tablet should be used with caution in patients with liver disease. Dose adjustment of Efavir 200mg Tablet may be needed. Please consult your doctor.
Use of Efavir 200mg Tablet is not recommended in patients with moderate and severe liver disease.

All substitutes

For informational purposes only. Consult a doctor before taking any medicines.

Efavir 200mg Tablet

₹13.55/Tablet

Efcure 200mg Tablet

Emcure Pharmaceuticals Ltd

₹23.4/tablet

73% costlier

Efavirenz 200mg Tablet

Globela Pharma Pvt Ltd

₹13.91/tablet

3% costlier

Quick tips

Efavir 200mg Tablet is used in combination with other medicines for the treatment of HIV (human immunodeficiency virus).
Take it on an empty stomach, preferably at bedtime to reduce side effects.
Do not skip any doses and finish the full course of treatment even if you feel better.
You can also pass on HIV or HBV to others. Don't share needles or personal items that can have blood or body fluids on them.
Your doctor may check your liver function regularly. Inform your doctor if you notice yellowing of eyes or skin, dark urine, or stomach pain.
You might experience dizziness or abnormal dreams during initial days of treatment. Consult with a doctor if it bothers you or does not go away.
Use a reliable method of contraception to prevent pregnancy while taking this medicine.

Fact Box

Chemical Class

Non-nucleoside analog

Habit Forming

Therapeutic Class

ANTI INFECTIVES

Action Class

Non-Nucleoside reverse transcriptase inhibitors (NNRTIs)

Patient concerns

i have unprotected sex with my friend. Can I take any drugs now to prevent any STD/HIV infection

Dr. Shyam Gupta

Obstetrics and Gynaecology

Hello PATIENT to 1mg. There is some medicine for prophylactic but you need to see physician for prescription and better you check HIV status of both partner

hello, one of my frnd suffering with hiv infection from last 2yrs her cd4 is more than 470 and viral load is zero undetectable now she is using art medicines i have doubt that can we have to use art medicine in the whole life or can we stop it once we get viral load zero

Dr. Atula Gupta

Dermatology

You still need to be on ART even if the viral load is undetectable

FAQs

What is Efavir 200mg Tablet? What is it used for?

Efavir 200mg Tablet belongs to a group of medicines called antiretrovirals. It is used to treat human immunodeficiency virus (HIV), which if not controlled can cause AIDS (acquired immunodeficiency syndrome). It helps to control HIV infection so your immune system can work better.

Is Efavir 200mg Tablet safe?

Efavir 200mg Tablet is safe if used in the dose and duration advised by your doctor. Take it exactly as directed and do not skip any dose. Follow your doctor's instructions carefully and let your doctor know if any of the side effects bother you.

How does Efavir 200mg Tablet work?

Efavir 200mg Tablet works by blocking the function of an enzyme, called reverse transcriptase, which is responsible for the HIV replication process. This helps to reduce the level of HIV in the blood.

Is Efavir 200mg Tablet effective?

Efavir 200mg Tablet is effective if used in the dose and duration advised by your doctor. Do not stop taking it even if you see improvement in your condition. If you stop using Efavir 200mg Tablet too early, the symptoms may return or worsen.

What if I forget to take a dose of Efavir 200mg Tablet?

If you forget a dose of Efavir 200mg Tablet, take it as soon as you remember. However, if it is almost time for your next dose, skip the missed dose and take the next scheduled dose in the prescribed time. Do not double the dose to make up for the missed one as this may increase the chances of developing side effects.

Is it safe to take Efavir 200mg Tablet in pregnancy?

No, Efavir 200mg Tablet is not safe to be taken in pregnancy. Some animal studies have shown that Efavir 200mg Tablet may cause birth defects if given to pregnant mothers. Therefore, it is advisable not to take Efavir 200mg Tablet if you are pregnant, planning to conceive or breastfeeding.

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Disclaimer:

Tata 1mg's sole intention is to ensure that its consumers get information that is expert-reviewed, accurate and trustworthy. However, the information contained herein should NOT be used as a substitute for the advice of a qualified physician. The information provided here is for informational purposes only. This may not cover everything about particular health conditions, lab tests, medicines, all possible side effects, drug interactions, warnings, alerts, etc. Please consult your doctor and discuss all your queries related to any disease or medicine. We intend to support, not replace, the doctor-patient relationship.

References

Flexner C. Antiretroviral Agents and Treatment of HIV Infection. In: Brunton LL, Chabner BA, Knollmann BC, editors. Goodman & Gilman’s: The Pharmacological Basis of Therapeutics. New York, New York: McGraw-Hill Medical; 2011. pp. 1643-644.
Safrin S. Antiviral Agents. In: Katzung BG, Masters SB, Trevor AJ, editors. Basic and Clinical Pharmacology. 11th ed. New Delhi, India: Tata McGraw Hill Education Private Limited; 2009. pp. 861-62..
Briggs GG, Freeman RK, editors. A Reference Guide to Fetal and Neonatal Risk: Drugs in Pregnancy and Lactation. 10th ed. Philadelphia, PA: Wolters Kluwer Health; 2015. pp. 455-56.
Efavirenz. Uxbridge, Middlesex: Bristol-Myers Squibb House; 1999 [revised 27 Feb. 2019]. [Accessed 31 Mar. 2019] (online) Available from:
Efavirenz. South Ruislip, Middlesex: Aurobindo Pharma - Milpharm Ltd.; 2014 [revised 10 Dec. 2018]. [Accessed 25 Jan. 2019] (online) Available from:
Medscape. EFavirenz. [Accessed 31 Mar. 2019] (online) Available from:
Efavirenz. Princeton, New Jersey: Bristol-Myers Squibb Company; 1998 [revised Sep. 2011]. [Accessed 31 Mar. 2019] (online) Available from:
Central Drugs Standard Control Organisation (CDSCO). [Accessed 31 Mar. 2019] (online) Available from:

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