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Description of the drug:
Efavirenz is the active ingredient present in Efavir - 200 mg. It is a non-nucleoside analogue reverse transcriptase inhibitor (NNRTI). It is effective only against RNA viruses such as Human Immunodeficiency Virus (HIV). You can buy Efavir 200 mg online.
Indications and Usage:
- It is used together with other HIV medicines to treat human immunodeficiency virus (HIV) infection in adults as well as children who are above 3 years of age. This drug must not be used alone as it can cause the virus to develop resistance. Therefore, it is used in combination with two other medicines to treat the condition. The treatment is referred to as highly active antiretroviral therapy (HAART) and is meant to decrease the ability of the virus to multiply as well as prevent the development of any resistance to treatment.
- HIV affects the immune system by attacking certain immune cells which are known as CD4+ cells, which typically fight infection. Also when many CD4+ cells are attacked; this can lead to acquired immune deficiency syndrome (AIDS).
- The medicine works to reduce the ability of HIV to multiply and spread. It keeps a check on the amount of virus. This leads to an increase in CD4+ cells, which in turn leads to a recovery of the immune system and reduce the risk of the progression of the disease.
Dosage and Administration
Your dosage will depend on several factors including your body weight and the recommendations of your doctor. Make sure to take the tablets for as long as advised by your doctor. Do not stop taking the medicine without your doctor’s consent as this can be harmful for your body.
Method of Administration:
You should swallow the tablet whole with a glass of water once a day preferably on an empty stomach. You should not take it with food.
In case you miss a dose of the medicine, take it as soon as you remember about it. However, if it is close to the time for your next dosage, it is best to avoid the missed one. Do not take double dosage of the medicine.
- In case of over dosage, seek medical help immediately.
Forms and Strengths:
- Form – Tablet
- Strength – 200 mg
medicine is contraindicated in people who are allergic to the ingredients.
Warnings and precautions:
Avoid the medicine if:
You have an allergy to the ingredients
You are pregnant or are breastfeeding
You are using the medicine as a single treatment
You are suffering from liver problems
You are taking other drugs that interact with the medicine
Some of the common side effects of the medicine include: diarrhoea, abdominal pain, vomiting, nausea, dizziness, skin rash and itching, headache, insomnia, fatigue, inability to concentrate, drowsiness, and abnormal dreaming.
There are several medicines that interact with Efavirenz. Drugs that cause a serious reaction are: cisapride for reflux, antihistamine terfenadine, triazolam for anxiety, ergot derivatives for migraine, the sedative midazolam, and bepridil for angina.
Other antiretrovirals such as amprenavir, ritonavir, indinavir, atazanavir, saquinavir the antibiotic rifampicin, the dietary supplement St. John's Wort, the antiepileptic carbamazepine.
Drugs that are affected by Efavir: the antibiotics clarithromycin and rifabutin, the antifungals itraconazole and voriconazole, cholesterol lowering statins like atorvastatin and simvastatin, oestrogen containing oral contraceptives, the antiepileptic carbamazepine, methadone for opioid dependence
Efavirenz is the active ingredient present in the medicine.
Store the medicine in a cool and dry place. Keep it away from pets and children.
It is manufactured by Cipla pharmaceuticals, a pharmaceutical company in India.