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Sustiva is a non-nucleoside reverse transcriptase inhibitor (NNRTI) that is used in combination with other HIV medication to treat an HIV infection. It cannot be used alone to cure the infection.

Availability: On Stock Average delivery time: 12 Days
Exp. Date: November 2022
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  • Safety information
  • Side effects
  • Drug Title

    Sustiva (Efavirenz)

    Drug Uses

    Sustiva is a non-nucleoside reverse transcriptase inhibitor (NNRTI) that is used in combination with other HIV medication to treat an HIV infection. It cannot be used alone to cure the infection.

    Mode of Application

    Sustiva can be taken by mouth on an empty stomach to avoid side effects. Take it for the entire duration of treatment preferably at the same time everyday. (Bedtime)

    Do not stop without consulting your doctor. The best way to use the drug is as recommended by your doctor.

    Drug Class & Mechanism

    Sustiva is a non-nucleoside reverse transcriptase inhibitor that is used to cure HIV infections. Sustiva blocks the release of reverse transcriptase which is used by the HIV virus to produce new DNA which it requires to multiply in the body.

    So the virus is unable to replicate. Please note that Sustive does not kill the virus and is not a cure for HIV.

    Missed Dosage

    If you miss a dose of Sustiva then you may take it as soon as you remember and adjust the remaining doses accordingly. However, if it is nearly time for the next dose then you may skip this dose and continue with the regular dosage. Do not take a double dose to make up for the missed dose.


    Store it at room temperature (between between 68 and 77 degrees F (20 and 25 degrees C) in an air tight container protecting it from direct exposure to light, heat and moisture. Keep away from pets and children.


    Discuss with your doctor about any prior medical condition that you may have including allergies to medicines, food or other substances, mental disorders, liver disease (such as hepatitis).

    Sustiva may cause drowsiness. These effects get aggravated if you take it with alcohol or certain other medications (sleep aids, muscle relaxers). So, do not drive or perform other potentially hazardous tasks until you know how your body reacts to the drug.

    You must not take if you are allergic to any ingredient in it or are pregnant

    If you are pregnant or suspect that you are, then stop using Sustiva and contact your doctor immediately.

    It is unknown whether Sustiva is secreted in breast milk. Avoid breast feeding while using the drug.

    Certain drugs can interact with Sustiva and hence, mention clearly to your doctor or pharmacist all medicines, dietary supplements and herbal prescriptions that you are taking.

    Sustiva should not be used in children as the safety and effectiveness of the drug have not been confirmed yet.

    Periodic lab tests including liver tests may be required to monitor your conditions.

    Please note that Sustiva does not stop the spread of the virus via sexual contamination or blood contamination.

    Side Effects

    Some of the common side effects of are Dizziness, drowsiness or trouble sleeping. Please contact your doctor if the symptoms persist or become bothersome.

    Other severe side effects include mood/mental changes (e.g., depression, and in rare cases, thoughts of suicide), dark urine, stomach pain, yellowing eyes or skin, fever, increased fat in the upper back and stomach areas, decreased fat in the arms and legs.

    You must seek medical attention immediately if any of these side effects occur.


    We provide only general information about drugs not covering all precautions. Agree any special instruction with your doctor.  We are not liable for this information authenticity and the mistakes it might contain.  We are not liable for any direct indirect, special losses due to  the usage of information this site contains and self treatment consequences.

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    Why Generic?

    Generic is a drug that has proven pharmaceutical, biological, and therapeutic equivalence to the brand name drug. In other words, generic has an absolutely identical content, dosage form and has the same qualities of effectiveness and safety as its branded analog.

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