Efavir (200 mg) is a non-nucleoside reverse transcriptase inhibitor (NNRTI), and active antiretroviral therapy (HAART) prescribed for the treatment of human immunodeficiency virus (HIV) type 1 either alone or with other medications.  

Drug information on Efavir (200 mg) (Efavirenz) from Cipla Limited

Efavir (200 mg)

Cipla Limited
Generic : Efavirenz
30 Capsules
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Medical Condition(s) for which Efavir (200 mg) may be prescribed


Side effects of Efavir (200 mg)

   Most Common : Dizziness, nausea, headache, fatigue, sleeplessness and vomiting.

   Body as a Whole : Allergic reactions, weakness and redistribution/accumulation of body fat.

   Central Nervous System : Poor concentration, drowsiness, abnormal dreaming, emotion, confusion, agitation, memory loss, hallucinations, stupor, abnormal thinking and depersonalization.

   Genitourinary : Breast enlargement in male.

   Gastrointestinal : Constipation and malabsorption.

   Heart : Flushing and palpitations.

   Liver : Increase in liver enzyme and liver failure/inflammation.

   Metabolic : Increased level of cholesterol in blood.

   Musculoskeletal : Muscle pain and joint pain.

   Respiratory : Difficulty in breathing.

   Skin : Redness of the skin, rash and Stevens-Johnson syndrome.

   Eye and ENT : Abnormal vision and ringing in the ear.

Dosage & When it is to be taken (Indications)

Adult- PO- The recommended dose is 600 mg, once daily.

How to use Efavir (200 mg)?

It comes as a tablet and capsule to take by mouth, on an empty stomach.

When is Efavir (200 mg) not to be taken? (Contraindications)

Contraindicated in patients who are taking antimigraine, benzodiazepines, calcium channel blocker, GI motility agent, neuroleptic drugs, St. John's wort, and known hypersensitivity.

Warnings and Precautions for Efavir (200 mg)

Caution should be exercised in patients with history of high cholesterol, kidney problem, liver problems, seizures, mental illness, any allergy, who are taking other medications, during pregnancy and breastfeeding.

• It may cause drowsiness, dizziness, or trouble in concentrating, do not drive a car or operate machinery while taking this medication.

• Avoid alcohol consumption.

• Since it does not stop the spread of HIV to others, avoid sexual contact, sharing of needles and injection supplies.

• Extreme caution needed in children less than 3 years old.

• Monitor liver function and cholesterol level while taking this medication.

Patient may develop Immune Reconstitution Syndrome.

Other Precautions for Efavir (200 mg)

Avoid excess dosage.

Storage Conditions for Efavir (200 mg)

Store it at controlled room temperature (15- 25° C).

♦ Safety Labeling Changes Approved By FDA

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Disclaimer : The Price of the drugs indicated above may not match the actual price at which they are sold. Prices can change depending on many factors, including local taxes. These are only approximate indicative prices of the drug.
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