Information about Efavirenz

Efavirenz Uses

Efavirenz is used in the treatment of HIV infection.

How Efavirenz works

Efavirenz prevents the multiplication of HIV virus in human cells, thereby stopping the HIV virus from producing new viruses.

Common side effects of Efavirenz

Headache, Nausea, Dizziness, Vomiting, Allergic reaction, Increased liver enzymes, Agranulocytosis (deficiency of granulocytes in the blood), Insomnia (difficulty in sleeping), Sleepiness, Abnormal dreams, Fatigue, Anxiety, Fever, Itching, Difficulty in paying attention, Increased triglyceride level in blood, Rash
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Written By
BDS
Reviewed By
MD (Pharmacology), MBBS
Last updated:
17 Jun 2020 | 04:45 AM (UTC)

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Available Medicine for Efavirenz

EfavirCipla Ltd
804 to ₹19333 variant(s)
EfcureEmcure Pharmaceuticals Ltd
698 to ₹23822 variant(s)
EffervenSun Pharmaceutical Industries Ltd
358 to ₹23562 variant(s)
EfamatMylan Pharmaceuticals Pvt Ltd
19901 variant(s)
ViranzVeritaz Healthcare Ltd
19871 variant(s)
EffahopeMacleods Pharmaceuticals Pvt Ltd
19221 variant(s)
EvirenzAlkem Laboratories Ltd
288 to ₹22322 variant(s)
RevenzSain Medicaments Pvt Ltd
7951 variant(s)
EstivaHetero Drugs Ltd
20881 variant(s)

Expert advice for Efavirenz

  • Efavirenz 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.

Frequently asked questions for Efavirenz

Efavirenz

Q. What is Efavirenz? What is it used for?

Efavirenz 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.

Q. Is Efavirenz safe?

Efavirenz 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.

Q. How does Efavirenz work?

Efavirenz 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.

Q. Is Efavirenz effective?

Efavirenz 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 Efavirenz too early, the symptoms may return or worsen.

Q. What if I forget to take a dose of Efavirenz?

If you forget a dose of Efavirenz, 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.

Q. Is it safe to take Efavirenz in pregnancy?

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

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